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Page 1: Maritime Acronyms and Abbreviations
Page 2: Maritime Acronyms and Abbreviations

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Page 3: Maritime Acronyms and Abbreviations

Maritime Acronyms and Abbreviations 1

A a altitude intercept (Ho~Hc); altitude

factor (change of altitude in 1 minute of time from meridian transit); assumed: ampere.

A amplitude; augmentation; away (altitude intercept); Arctic/Antarctic (air mass). a semimajor axis; anode; angstrom; area of pipe; Area; Acceleration (in general); Ampere; search area.

Å angstrom A.L.R.S. Admiralty List of Radio Signals. A.M.C. American Maritime Cases A/C aircraft A/D analog/digital A/F All Fast A/M automatic/manual A/S Alongside AA arithmetical average and Aluminum

Association AAAA Always Afloat, Always Accessible AAC Activity Address Code AAE Administration Acquisition Executive AAP Affirmative Action Plan AAPA American Association of Port Authority AAPS Automated Aid Positioning System AAR After Action Report AARA Amsterdam-Antwerp-Rotterdam Area AAS Annual Automation Control Survey AASO Association of American Shipowners AAW Anti-Air Warfare ABAND abandoned. ABC Activity-Based Costing ABCI Allocated Baseline Configuration Index ABCM Activity Based Cost Management ABCU Automated Bridge Control System For

Unattended Engine Room ABL Allocated Baseline ABN Abandoned ABS Acrylonitrile Butadiene Styrene ABS American Bureau of Shipping

(classification society) ABS Class of Vessel ABT About

Ac actinium AC Alternating Current AC altocumulus. AC&I Acquisition, Construction &

Improvement ACADIS Coast Guard Academy Information

System ACC Antarctic Circumpolar Current. ACC Area Control Centre ACC Automatic Control System Certified ACCU Automatic Control System Certified for

Unattended Engine Room ACD Allocated Configuration

Documentation ACE American Council on Education ACFN American Committee for Flags of

Necessity ACG Annual Cargo Gear Survey ACI Allocated Configuration Identification ACINT Acoustic Intelligence ACIP Aviation Career Incentive Pay ACK ACKnowledge ACMS Aviation Computerized Maintenance

System ACN Activity Control Number ACN Advance Change Notice ACO Administrative Contracting Officer ACO Aircraft Co-ordinator ACO Authorized Certifying Officer ACOPS Advisory Committee on Protection of

the Sea ACOT Advisory Committee on Offshore

Technology ACP Agency Capital Plan ACP Alternate Compliance Program ACP Area Contingency Plan ACR Allowance Change Request ACS American Chemical Society ACS Arab Classification Society ACU Air Control Unit ACV Air Cushion Vehicle ADA Americans with Disabilities Act ADAS Automatic Data Annotation System ADB African/Asian Development Bank ADC Analog to Digital Converter ADCCP Advanced Data Communications

Control Procedures

Page 4: Maritime Acronyms and Abbreviations

Maritime Acronyms and Abbreviations 2

ADCOM Address Commission Add Addendum add'l additional. ADE Above-Deck Equipment ADEC Alaska Department of Environmental

Conservation ADF Automatic Direction Finding ADIOS© Automated Data Inquiry for Oil Spills ADIZ Air Defense Identification Zone ADLC Advanced Data Link Control ADM Acquisition Decision Memorandum ADM Admiral ADM Assistant Deputy Minister ADNET Anti Drug Network ADOC Air Defense Operations Center ADOT Active Duty Other Than Training ADP Ammonium Dihydrogen Phosphate ADP Automated Data Processing ADPCM Adaptive Differential Probe Code

Modulation ADPL Active Duty Promotion List ADR Alternative Dispute Resolution ADS Application Development System ADS Automated Data Systems ADS Automated Dependance Surveillance ADSEG Active Duty Supplemental Education

Grants ADSS Automated Dependent Surveillance

System ADSW-AC Active Duty Special Work in Support of

Active Component ADSW-RC Active Duty Special Work in Support of

Reserve Component ADT Active Duty for Training ADT-AT Active Duty for Annual Training ADT-OTD Active Duty for Training - Other

Training Duty AEA AEA Technology Plc AEB acquisition exclusion boundary. AEL Allowance Equipage List AEP Affirmative Employment Program AERO aeronautical. AES Aeronautical Earth Station AES Atmospheric Environment Services AEW Airborne Early Warning AF Audio Frequency

AFB Air Force Base AFC Allotment Fund Code AFC Automatic Frequency Control AFC automatic frequency control. AFDD Accumulated Freezing-Degree Days AFIPS American Federation of Information

Processing Societies AFL-CIO American Federation of Labor and

Congress of Industrial Organizations AFM Abrasive Flow Machinery AFMDC Air Force Machinability Data Center AFN aeronautical fixed network AFRA Average Freight Rate Assessment AFRAMAX A tanker of such size as to take

commercial advantage under Worldscale (generally, tankers 80,000-119,000 DWT)

AFRASEC Afro Asian Organization for Economic Co-operation

AFSPS Arrival First Sea Pilot Station (Norway) AFTN aeronautical fixed telecommunications

network AFTS Automated Funds Transfer System AG Accessibility Guidelines AG Algeria (Flag) AG Arabian Gulf (See PG) Ag Silver AGA American Gas Association AGC Automatic Gain Control AGMA American Gear Manufacturers

Associations AHL Australian Hold Ladders AHP Analytic Hierarchy Process AHS Annual Hull Survey AHT Anchor handling tug AHTS AHT which is also a combined supply

vessel AI Airborne Interceptor AI Artificial Intelligence AIChE American Institute of Chemical

Engineers AICP Aviation Inventory Control Point AID Agency for International Development

(USA) AIGSS Annual Inert Gas System Survey AIM Academy Introduction Mission

Page 5: Maritime Acronyms and Abbreviations

Maritime Acronyms and Abbreviations 3

AIMS American Institute of Merchant Shipping

AIMU American Institute of Marine Underwriters

AIP Aeronautical Information Publication AIRSTA Air Station AIS Aeronautical Information Services AIS Automated Information System AIS Automatic Identification System AISC American Institute of Steel

Construction AISM Association Internationale de

Signalisation Maritime (International Association of Lighthouse Authorities).

AIT Autogenous Ignition Temperature Al Aluminum aL assumed latitude. al assumed longitude. Al.,Alt, alternating (light). Al2O3 aluminum oxide (alumina) ALAMAR Associacon Latinamericano de

Armadores (Valparaiso) ALARA as low as reasonably achievable ALC automatic level control ALCOAST Message Traffic Intended for Service-

wide Distribution ALCON All Concerned ALDIST Message Traffic Intended for District-

wide Distribution ALE Automatic Link Establishment ALGOL ALGorithmic Oriented Language ALJC Administrative Law Judge Circular ALJIPP Administrative Law Judge Internal

Practices and Procedures ALLI Annual Load Line Inspection ALMIS Aviation Logistics Management

Information System ALPAT Alaskan Patrol ALT Administrative Lead Time ALU Arithmetic Logic Unit ALU TUCP Philippine Seafarers' Union am amber. Am americium AM amplitude modulation AM ante meridian (before noon). AMAB Arctic Marine Advisory Board AMB Ambassador

AMCONSUL American Consulate Amd Amendment AMEMBASSY American Embassy AMIG Australian MAP Interest Group AMIO Alien Migrant Interdiction Operations AMMI Aviation Maintenance Management

Information System AMNI Associate Member of The Nautical

Institute AMOSUP Associated Marine Officers' and

Seamen's Union of the Philippines AMP Aftmost Measuring Point AMS Aeronautical Mobile Service AMS Annual Machinery Survey AMS Customs' Automated Manifest System AMS(R)S Aeronautical Mobile Satellite (Route)

Service AMSA Australian Maritime Safety Authority AMSS Aeronautical Mobile Satellite Service AMT Aviation Maintenance Technician AMVER Automated Mutual Assistance Vessel

Rescue System AMWELSH 93 Americanized Welsh Coal Charter

(1993) ANB Buoy Tender ANC Air Navigation Commission Anch anchorage. ANG Air National Guard ANGRC Air National Guard Readiness Center ANMS Automated Notice to Mariners System. ANPRM Advanced Notice of Proposed

Rulemaking ANS Aquatic Nuisance Species ANSC Auxiliary National Supply Center ANSI American National Standards Institute ANSO Association of Naval Service Officers ANT Netherlands Antilles (Flag) ANTHAM Antwerp-Hamburg Range antilog antilogarithm. AO Assignment Officer AODC Association of Offshore Diving

Contractors AOI Area of Interest AOO Area of Operations AOP Area of Probability AOPS Abstract of Operations Data System

Page 6: Maritime Acronyms and Abbreviations

Maritime Acronyms and Abbreviations 4

AOR Area of Responsibility AOR-E Atlantic Ocean Region-East AOR-W Atlantic Ocean Region-West AOU Area of Uncertainty AP Acquisition Plan AP Assumed Position. APA Administrative Procedure Act APA Appropriation Purchase Account APB Acquisition Project Baseline APCIS Asian Pacific Computerized

Information System APD avalanche photodiode APEC Asian Pacific Economic Cooperation APHA American Public Health Association API American Petroleum Industry APL A Programming Language APL Allowance Parts List APLMRI Atlantic Protected Living Marine

Resources Initiative APP Application Portability Profiles approx. approximate, approximately. APS Acquisition Phase Summary APS Arrival Pilot Station APSO Asylum Pre-Screening Officer APT Automatically Programmed Tools APV Air pressure vessel AQL Acceptable Quality Level Ar Argon AR&SC Aircraft Repair and Supply Center ARA Antwerp, Rotterdam, Amsterdam

(range) ARAG Amsterdam-Rotterdam-Antwerp-Gent

Range ARCC Aeronautical Rescue Co-ordination

Centre ARCS Admiralty Raster Chart Service (U.K.

Hydrographic Office) ARE United Arab Emirates (Flag) ARES Associazione Ricerca e Salvataggio ARM asset recycle management ARMS Automated Requisitioning

Management System ARNG Army National Guard ARNGRC Army National Guard Readiness

Center ARO Agreement on Rules of Origin (GATT


ARPA Advanced Research Projects Agency ARPA, ARPAs Automatic Radar Plotting Aid ARS Annual Cargo Refrigeration System

Survey ARSC aeronautical rescue sub-centre ARTCC Air Route Traffic Control Center ARTIC Abolish Red Tape in Contracting

Program AS air supply AS Annual Survey As arsenic AS Australian Standard ASA American Standards Association ASA Applied Science Associates Limited ASAM anti-ship action message. ASAP As Soon as Possible ASBA Association of Shipbrokers and Agents

(U.S.A.) Inc. ASBA II A Type of Standard Voyage Charter

Party Issued by ASBA ASBATANKVOY A Type of Standard Voyage Charter

Party Issued by ASBA ASC Accredited Standards Committee ASCII American Standard Code for

Information Interchange ASCM Anti Ship Cruise Missile ASD Allowable stress design ASD Alternative Service Delivery ASEAN Association of South East Asian

Nations (Indonesia, Malaysia, Philippines, Singapore)

ASEE American Society for Engineering Education

ASF Additional Secondary Phase Factor. ASF Asian Shipowners' Forum (East Asia

and Oceania) ASGEN As Generated ASM Anti-Ship Missile/Air-to-Surface Missile ASMD Anti-Ship Missile Defense ASME American Society of Mechanical

Engineers ASO Aviation Supply Office ASPPR Arctic Shipping Pollution Prevention

Regulations ASPR Armed Services Procurement

Regulations ASR Automatic Send/Receive ASREQ As Requested

Page 7: Maritime Acronyms and Abbreviations

Maritime Acronyms and Abbreviations 5

ASSM Anti-Surface Ship Missile AST Aviation Survival Technician ASTM American Society for Testing and

Materials ASUW Anti-Surface Warfare ASW Anti-Submarine Warfare AT Annual Training At astatine AT atomic time. AT Avionics Technician at.wt. atomic weight AT/FP Anti-Terrorism/Force Protection ATA Automated Tracking Aid ATB Aviation Training Boat ATC Affordability Through Commonality

(NAVSEA Program) ATC Air Traffic Control ATC Aviation Training Center ATDNSHINC Any Time Day/Night Sundays and

Holidays Included ATE Automated Test Equipment atm Atmosphere, Atmospheres ATN aeronautical telecommunications

network ATON Aids to Navigation ATONIS Aids To Navigation Information

System ATP Acceptance Test Plan ATP Allied Tactical Publication ATPG Automatic Test Program Generator ATR Ammunition Transaction Report ATS Air Traffic Services ATU Administrative Target Unit ATU Appropriation Target Unit ATUTC Actual Time Used To Count ATW Airborne Tactical Workstation AU Astronomical Unit. Au Gold AUI Access Unit Interface AURS Aviation Utilization to Recapitalization

Study AUS Australia (Flag) AUSREP Australian Ships Reporting System. AUTODAM Automated Damage Control AUTODIN Automatic Digital Network AUTRAN Automatic Utility Translator

AUX KW Auxiliary/Generators Kilowatts (total) AUX(AX) Auxiliary AUXMIS Auxiliary Management Information

System AUXOP Auxiliary Operated Stations AUXSARDET Auxiliary Search & Rescue

Detachment AV Audiovisual AVDET Aviation Detachment AVIP Anthrax Vaccine Immunization

Program AVTRACEN Aviation Training Center AW Air Warfare AWACS Airborne Early Warning and Command

System AWES Association of Western European

Shipbuilders AWG American Wire Gauge AWO American Waterways Operators AWPPA Arctic Waters Pollution Prevention Act AWS American Welding Society AXBS Auxiliary Boiler Survey AXFTBS Auxiliary Eire-Tube Boiler Survey AXWHBS Auxiliary Waste-Heat Boiler Survey AXWTBS Auxiliary Water-Tube Boiler Survey AY Anniversary Year AZE Azerbaijan (Flag)

B b barn B atmospheric pressure correction

(altitude), bearing, bearing angle boron B&I Benchmark and Improve B/L or BL Bill of Lading B/N Booking Note Ba barium BA Bridge Administration BA Business Analysis BAF Bunker Adjustment Factor BAFO Best and Final Offer BAH Basic Allowance for Housing BAP best available practice BAQ Basic Allowance for Quarters BARD Boat Accident Reporting Data

Page 8: Maritime Acronyms and Abbreviations

Maritime Acronyms and Abbreviations 6

BASEEFA British Approvals Service for Electrical Equipment in Flammable Atmospheres

BASIC Beginner's All purpose Symbolic Instruction Code

BAT best available technology BBB Before Breaking Bulk (i.e. before

discharge of cargo commences) bbl Barrel BBLS Barrels BC Code of Safe Practice for Solid Bulk

Cargoes BCCP Business Continuity Contingency Plan BCD Binary Coded Decimal BCH Code for the Construction and

Equipment of Ships Carrying Dangerous Chemicals in Bulk

BCH 23 Bulk Chemicals Sub-Committee BCIT British Columbia Insititute of

Technology (BCIT) BCM Bow to Center Manifold BCMEA British Columbia Maritime Employers

Association BCN Billet Control Number BCOMP Buffer COMPlete BDC buffered data channel BDE below-deck equipment BDI Baltic Dry Index BDI Both Dates Inclusive BDT British Dependent Territories Bdy Mon boundary monument. Be beryllium BEA Bureau of Economic Analysis BECU Billion ECU BEEP Black Executive Excellence Program BefNr Baume fNr specific gravity scale BEI Backscattered Electron Imaging BEI Banque Europeenne d'lnvestissement BEL Belgium (Flag) BENDS Both Ends BER bit error rate Bev One billion electron volts; also written

BEv, or BEV BFDR Boat and Fire Drill Regulations BFI Baltic Freight Index (Bulk cargoes) BFO beat frequency oscillator. BH Belize (Flag)

BHD Bulkhead BHN Brinell hardness BHS Bahamas (Flag) Bi bismuth BI Both Inclusive BIAC Business and Industry Advisory

Committee (OECD) BIB Budget in Brief BIC Basic Instructor Course BICC Bureau International des Chambres de

Commerce BIFA British International Freight

Association BIFFEX Baltic International Freight Futures

Exchange (London) BIH Bureau Internationale de l'Heure. BIIBA British Insurance and Investment

Brokers Association BIMCO The Baltic and International Maritime

Council (Copenhagen) Bimcosale The Bimco standard form of bill of sale BINM Bureau of International Narcotics

Matters BIPM International Bureau of Weights and

Measures. BIS Bank for International Settlements,

(Basel) BISCO British Iron and Steel Corporation BISD Basic Instruments and Selected

Documents (GATT) BISYNC BInary SYNchronous Communications BIT Built-In Test BITE Built-In Test Equipment Bk berkelium BK Book bk broken. BKI Biro Klasifikasi Indonesia (Indonesian

Class Society) bkw breakwater. bl blue. BL Bulgarian Lloyd (Class Society) BLADING See B/L BLG Subcommittee on Bulk Liquids and

Gases (IMO) BLK Bulk BLKCAR (B/C) Bulk Carrier BLR Boiler

Page 9: Maritime Acronyms and Abbreviations

Maritime Acronyms and Abbreviations 7

BLRHS Boiler Heating Surface (Combined) BM Beam BM bench mark. BM Boatswain's Mate BM Boom BM Mayanmar (Burma) (Flag) BMLA British Maritime Law Association BMP Best Manufacturing Practices (U.S.

Navy Program) BMT BMT Marine Information Systems

Limited BMU Bermuda (Flag) Bn beacon. BNI Bureau d'Orientation de la

Normalisatin en Informatique BNM Broadcast Notice to Mariners BNTM Broadcast Notice to Mariners BO Boarding Officer BOATALT Boat Alteration BOB Bunkers on Board BOD Biological Oxygen Demand BOD Board of Directors BOFFER Best Offer BOP Blow Out Preventer BOPEC Bonaire Petroleum Corporation N.V. BORCO Bahamas Oil Refining Corp. BOSS Boat Outfit and System Support BOSVA British Offshore Support Vessel

Owners Association BOTB British Overseas Trade Board

(London) BP Business Plan BPA Blanket Purchase Agreement Bpgc bearing per gyrocompass. BPI Baltic Panamax Index BPR Business Process Redesign BPR Business Process Review bps bits per second BPSK binary phase shift keying BR Brazil (Flag) BR Brazilian Class Society br breakers. Br bromine BRAC Base Realignment and Closure BRD By-Catch Reduction Device BRF Best Replacement Factor

BRG Bearing Brg. bearing (as distinguished from bearing

angle). BRM Bridge Resource Management BROA British Rig Owners Association BROB Bunkers Remaining On Board BRPSU Battle Roster Port Security Unit BRR Boating Restriction Regulations BS Boiler Survey BS British Standard BS&W See S&W BSC Binary Synchronous Communications BSC British Shippers Council BSI British Standards Institution BSS Basis BSS 1/1 Basis 1 Port to 1 Port BST Builder's Sea Trials BT Berth Terms BT Bow Thruster BT Break Transmission BTM Boarding Team Member BTM Bottom BTS Bureau of Transportation Statistics Btu British Thermal Unit – 0.252 kcal bu blue. BURRIER Airline Drug Smuggler (Peru) BUSL Stern Loading Buoy Boat BV Bureau Veritas BVI British Virgin Islands BVS Berggewerkschafitliche

Versuchsstrecke (Germany) BW Biological Warfare BWAD Brackish Water Arrival Draft BWI Boating While Intoxicated BWM Ballast Water Management BWT Breakwater Vessel BY Budget Year BZ Bravo Zulu

C C Celsius (centigrade); chronometer

time; compass (direction); correction; course, course angle; can; cylindrical; cove, coverage factor

Page 10: Maritime Acronyms and Abbreviations

Maritime Acronyms and Abbreviations 8

C Coulomb, Carbon, or coefficient of discharge, dimensionless

C Center (CNTR) C&E Customs and Excise (British) C&F Cost, Insurance & Freight C&F FO Cost and Freight Free Out c.ft./cuft Cubic Feet (ft3) C/B Cost/Benefit C/C cabin cruiser C/P (CP) Charterparty or Charter Party C/S call sign C/V Consecutive Voyage C2 Command and Control C2CEN Command and Control Engineering

Center C2PC Command and Control Personal

Computer C3I Command, Control, Communications,

and Intelligence C4 Command, Control, Communications,

and Computers C4I Command, Control, Communications,

Computers, and Intelligence C4ISR Command, Control, Communications,

Computers, Intelligence, Sensors, and Reconnaissance

Ca calcium CA Center Aft CA Competition Advocate CA constant amplitude CA Controlled Atmosphere CAA Commander, Atlantic Area CAACE Comite des Associations d'Armateurs

de la Communaute Europeenne (EU, Brussel)

CAB Civilian Advisory Board CAC Canadian Advisory Council CAC Citizens Advisory Council CAC command-and-control (regulation) CACM Central American Common Market CAD Computer Aided Design CAD Computer Assisted Design CAD/CAM Computer Aided Design/Computer

Aided Manufacturing CAE Computer Aided Engineering CAGE Commercial and Government Entity


CAI Computer-Assisted Instruction CAIRO Consulted, Approves, Informed,

Responsible, Not Involved or No Role CAJEA Council of All Japanese Exporters'

Association cal calorie CAL Computer Aided Learning or

Conversional Algebraic Language cal/cm3 calorie per cubic centimeter cal/in3 calories per cubic inch CALM catenary anchor leg mooring. CALMS Combined Allowance for Logistics and

Maintenance Support CALS Continuous Acquisition Life-Cycle

Support CAM Computer Aided Manufacturing CAM Computer Assisted Manufacture CAMAC Computer Automated Measurement

And Control CAMP Competitive Acquisition Management

Panel CAMS Communications Area Master Station CAMTRAP Canadian Arctic Marine Transportation

Advisory Panel CANDEL Canadian Deleqation CANTRAC Catalog of Navy Training Courses CAODC Canadian Association of Oil Well

Drilling Contractors CAP Civil Air Patrol CAP Combat Air Patrol CAP Condition Assesment Programme

Survey CAP Condition Assessment Program CAPESIZE Bulk Carrier 100,000-180,000 DWT CAPMAN Capabilities Manual CAPRO Canadian Association of Professional

Radio Operators CAPs Central Alerting Posts CAPT Captain CAR Computer-Aided Repair CARAC Canadian Aviation Regulation

Advisory Council CARICOM Caribbean Common Market and

Community CART Concept analysis and Review Team CAS Combined Antenna System CAS Condition Assessment Survey

Page 11: Maritime Acronyms and Abbreviations

Maritime Acronyms and Abbreviations 9

CAS Continuous Automatic Control System Survey

CAS Cost Accounting Standards CASA/SME Computer and Automated Systems

Association of the Society of Manufacturing Engineers

CASCO ISO Committee on conformity assessment

CASCOR Casualty Correct CASE Common Applications Service

Elements CASO Council of American flag Ship

Operators CASP Computer Assisted Search Planning

System CASREP Casualty Report CAT Catalog; Chemical Addition Tank,

Computer-Aided Test CAT Conformance Acceptance Test CATS© Current Analysis for Trajectory

Simulations CATV Community Antenna Television CAW Canadian Auto Workers CAXBS Composite Auxiliary Boiler Survey CB Change Bulletin CB Citizen's Band CB compass bearing. CBA Collective Bargaining Agreement CBA Cost-Benefit Analysis CBD Commerce Business Daily CBDR constant bearing, decreasing range. CBEMA Computer and Business Equipment

Manufacturers Association (See ITI) CBFT Cubic Feet CBI computer-based information cbm/cu.m. Cubic Meters CBOC Council of Boating Organizations of

Canada CBR Chemical, Biological and Radiological CBR’s Citizens Band Radios CBS Cyprus Bureau of Shipping (Class

Society) CBT Clean Ballast Tanks CBT Computer-Based Training CBW Chemical and Biological Warfare CBW constant bandwidth CC compass course; chronometer


CCA Chemical Carriers Association CCA Clinger-Cohen Act CCA Contamination Control Area CCAF Comite des Armateurs de France CCARIB Central Caribbean CCB Configuration Control Board CCC Carrier container council CCC Clean Caribbean Cooperative CCC Commodity Credit Corp. CCC Customs Co-operation Council CCD charge-coupled device CCDB Consolidated Counterdrug Database CCDG# Commander, Coast Guard District # CCDR Central Configuration Data

Responsibility CCEU Cabinet Committee for the Economic

Union CCF Capital Construction Fund (U.S.) CCG Canadian Coast Guard CCGAIR Canadian Coast Guard Air Reporting

System CCIR International Radio Consultative

Committee. CCITT Consultative Committee on

International Telephony and Telegraphy

CCLEC Caribbean Customs Law Enforcement Council

CCME Canadian Council of Ministers of the Environment

CCMP Cutter Class Maintenance Plan CCMT Canadian Council on Marine Training CCP Contolable Pitch Propeller CCPA Canadian Chemical Producers'

Association CCR control complexity ratio CCS Communication Station Control

System CCS, CS China Class Society (Formerly ZC) CCU Consultative Committee for Units of

the International Committee of Weights and Measures (CIPM).

CCZ Coastal Confluence Zone. Cd cadmium cd candela, candelas. CD chart datum. CD Collateral Duty

Page 12: Maritime Acronyms and Abbreviations

Maritime Acronyms and Abbreviations 10

CD compact disc read-only memory CD Counter Drug CD Cut Down, Critical Dimension Cd relative capacity factor (Cd=Cv/d2) CDA Career Development Advisor CDB Corporate Database CDC Center For Disease Control CDC Course Designers Course CDCP Central Data Collection Point CDCRO Collateral Duty Civil Rights Officer CDG Carriage of Dangerous Goods CDI Chemical Distribution Institute CDM Configuration Data Manager CDOC Counterdrug Operations Center CDR Commander CDR Contract Deficiency Report CDR Critical Design Review CDRL Contract Data Requirements List CD-ROM Compact Disk-Read Only Memory CDS Construction-Differential Subsidy (46

USC Title V) CDSP Coast Guard Counter Drug Strategic

Plan CDSPP Counter Drug Strategic Planning

Process Ce cerium CE chronometer error- compass error. CE Civil Engineering CE Concept Exploration CE Conseil de l'Europe (Strasbourg) CEA Cost Effectiveness Analysis CEAA Canadian Environmental Assessment

Act CEB Concept Exploration Benchmark CEC Canadian Electrical Code cec centicycle. CEC Commission of the European

Communities CE-CAD Civil Engineering CAD CEDS Civil Engineering Database System CEIA cumulative environmental impact

assessment cel centilane. CEMT Conference Europeenne des Ministres

des Transports (OECD)

CEN European Committee for Standardisation

CEN European Standardization Organization

CENELEC European Committee for Electrotechnical Standardization

CENSA Council of European and Japanese National Shipowners' Associations (London)

CENTAM Central America CEO Central Engine Overhaul CEO Chief Executive Officer CEP circular probable error. CEPA Canadian Evironmental Protection Act CERCHA Centre d’Etudes et Recherches des

Chourbonnage de France (France) CERCLA Comprehensive Environmental

Response Compensation and Liability Act

CERT Certificate CES coast earth station CESI Centro Elettrotecnico Sperimentale

Italiano (Italy) CESMA Confederation of European Union

Shipmasters Associations CEU Civil Engineering Unit Cf californium CF Center Forward CF Contractor Furnished Cf liquid pressure recovery factor; same

as FL CFATF Caribbean Financial Action Task

Force CFC Chlorofluorocarbone CFE/TLE Conventional Forces in Europe Treaty

Implementation CFIVAC Commercial Fishing Industry Vessel

Advisory Committee CFIVSA Commercial Fishing Industry Vessel

Safety Act cfm cubic foot per minute CFO Chief Financial Officer CFOA Canadian Ferry Operators’

Association CFP Contractor Furnished Property CFR Code of Federal Regulations (US) CFTBS Cylindrical Fire-Tube Boiler Survey CFTRR Centralized First Term Reenlistment


Page 13: Maritime Acronyms and Abbreviations

Maritime Acronyms and Abbreviations 11

CFVS Commercial Fishing Vessel Safety CFVSC Commercial Fishing Vessel Safety

Coordinator CFVSE Commercial Fishing Vessel Safety

Examiner/Exam CG Coast Guard CGA Coast Guard Academy CGAA Coast Guard Authorization Act CGAAA Coast Guard Academy Alumni

Association CGAAP Coast Guard Affirmative Action

Program CGAP Coast Guard Acquisition Procedures CGARC Coast Guard Acquisition Review

Council CGAUX Coast Guard Auxiliary CGC Coast Guard Cutter CGCOE Coast Guard Common Operating

Environment CGDDMS CG Digital Data Management System CGDF Coast Guard Dining Facility CGDN Coast Guard Data Network CGDS Coast Guard Directives System CGHQ Coast Guard Headquarters CGHRMS Coast Guard Human Resources

Management System CGI Coast Guard Institute CGI Coast Guard Intelligence CGI Coast Guard Investigations CGI Compressed Gas Institute CGISS Coast Guard Intelligence Support

System CGLC Coast Guard Leadership Council CGMA Coast Guard Mutual Assistance CGMS Coast Guard Message System CGPC Coast Guard Personnel Command CGPM General Conference of Weights and

Measures. CGPMS Coast Guard Preventive/Planned

Maintenance System CGRIT Coast Guard Recruiting Initiative for

the 20th Century CGRS Coast Guard Radio Stations CGS centimetre gram second CGSB Canadian General Standard Board CGSD Coast Guard Support Date

CGSIC Civil Global Positioning System (GPS) Service Interface Committee

CGSW Coast Guard Standard Workstation CGSWAP Coast Guard Software Application

Conversion CGWeb Coast Guard Intranet CGYD Coast Guard Yard CH China (Flag) CH compass heading. CHAR character CHAYKA A radionavigation system, similar to

LORAN-C, operated by the Government of the Russian Federation

CHCP Cargo Handling Cooperative Program CHET Customs High Endurance Tracker CHIL Consolidated Hazardous Item List CHOP Change of Operational Commander CHOPT Charterer's Option CHRC Canadian Human Rights Commission CHRIS Chemical Hazard Response

Information System CHS Canadian Hydrographic Service CHS Continuous Survey of Hull CHTRS Charterers CI Configuration Information/Identification CI Counterintelligence Ci curie CIA Central Intelligence Agency CIBS Classification information breakdown

structure CIC Combat Information Center CID Component Identification CID Computer Interface Device, Charge

Injection Device CIE Computer-Integrated Engineering CIE International Commission on

Illumination CIF Cost Insurance Freight CIFP Change in Financial Plans CIM Computer Integrated Manufacturing CIMS Computer Integrated Manufacturing

System CINC Commander-In-Chief CIO Chief Information Officer CIP Capital Investment Plan CIP Carriage and Insurance Paid To

Page 14: Maritime Acronyms and Abbreviations

Maritime Acronyms and Abbreviations 12

CIP Container Inspection Program CIPA Classified Information Procedures Act CIPM International Committee of Weights

and Measures. CIRC Circulating CIRM Centro lnternazionale Radio Medico CIRM International Radio-Maritime

Committee CIRRS Commercial Interest Reference Rates CIS Commonwealth of Independent States CIS Contract Information System CIT Chartered Institute of Transport CIT U.S. Court of International Trade CITAT Container Inspection Training

Assistance Team CITS Commandant International Technical

Series CIVNA Civilian Needs Assessment CIVPMIS Civilian Personnel Management

Information System CIWS Close-In Weapon System CJCS Chairman of the Joint Chiefs of Staff CJTK Chief Joint Task Force CKD Completely Knocked Down Cl chlorine Cl clearance. CL Continuous Liner CL cutter location CLAMS Clinic Automated Management

System CLARC Coast Guard Legislative Affairs

Review Council Class Category in classification register CLC Canada Labour Code CLC International Convention on Civil

Liability for Oil Pollution Damage, 1969 (and 1992 Protocols)

CLEP College-Level Examination Program CLIA Cruise Lines International Association CLIN Contract Line Item Number CLK clock CLPR Czech Register of Shipping (Class

Society) cm centimeter(s). CM Configuration Management Cm curium cm/s centimetre per second

cm2 square centimetre cm3 cubic centimetre cm3/min cubic centimetre per minute cm3/s cubic centimetre per second CMA Companie d'Affretement CMAN Configuration Manager CMC Center for Marine Conservation CMC Certification of materials and

components CMC Classified Material Control CMC Command Master Chief CMC Commandant of the Marine Corps CMC COSPAS mission control centre

(Moscow) CMC Council of Marine Carriers CMCCS Continuously Manned Central Control

Station CME Assessment Model for Coastal and

Marine Environments CME Courtesy Marine Examination CMF Composite Meter Factor CMG course made good. CMI Comite Maritime International

(International Maritime Committee) CMI Committee Maritime International

(Maritime Law Association) CMIG Canadian MAP Interest Group CMLA Canadian Maritime Law Association CMMA Canadian Marine Manufacturers

Association CMOS Complementary Metal Oxide

Semiconductor CMP (Cutter) Class Maintenance Plan CMP Commodity Management Plan CMP Configuration Management Plan CMPLUS Configuration Management Unit Level

System CMR Common Mode Rejection CMRA Canadian Marine Rescue Auxiliary CMRMC Canadian Marine Response

Management Corporation CMRR common mode rejection ratio CMS COMSEC Material System CMS Continuous Survey of Machinery CMV common mode voltage CN Counter Narcotics

Page 15: Maritime Acronyms and Abbreviations

Maritime Acronyms and Abbreviations 13

Cn course (as distinguished from course angle).

CNA Center for Naval Analysis CNC Computer Numerical Control CNG Compressed Natural Gas CNIWG Crime and Narcotics Imagery Working

Group CNMI Commonwealth of the Northern

Mariana Islands CNO Chief of Naval Operations CNOPB Canada Newfoundland Offshore

Petroleum Board CO carbon monoxide or compliance officer CO Cargo Oil Co cobalt CO Commanding Officer co coral. co- the complement of (90 minus). CO/OIC Commanding Officer / Officer-in-

Charge CO2 carbon dioxide COA Contract of Affreightment COA course of advance. COB Close / Closing of Business COB Container Oil Bulk Carrier COBOL Common Business Oriented

Language COBRA Consolidated Omnibus Budget

Reconciliation Act, 1985 COBSEA Coordinating Body on the Seas of

East Asia COCO Chief of Contracting Operations COCO Command and Control COCO Commander of Chain Operations

(LORAN) COD Cash On Delivery COD Certificate of Documentation COD chemical oxygen demand COD Collect on Delivery CODAB COnfiguration DAta Block CODEL Congressional Delegation CODIL COntrol DIagram Language COE Committee on ECDIS (IHO). COE Common Operating Environment COE U.S. Army Corps of Engineers COFR Certificate of Financial Responsibility

(OPA 90) (USA)

COG Cognizance COG course over ground. COGLA Canada Oil and Gas Lands

Administration COGSA Carriage of Goods by Sea Act(s)

(USA) COI Certificate of Inspection COI Certificate of Insurance COI Critical Operational Issue coL colatitude. COLA Cost of Living Allowance colog cologarithm. COLREG International Regulations for

Preventing Collisions at Sea, 1972 COM Computer Output Microfilm COMA Committee on Measurement

Accountability COMA Council of Maritime Affairs COMB Combination COMCEN Communications Center COMCON Command Concern COMDT Commandant, U S Coast Guard COMDTINST Commandant Instruction COMDTNOTE Commandant Note COMLANTAREA Commander, Coast Guard Atlantic

Area COMM Commenced COMMS Communications COMMSYS Communications System COMPACAREA Commander, Coast Guard Pacific

Area COMPSTAT Enlisted Comparative Status Report COMSAR Radio Communication and Search and

Rescue COMSEC Communications Security COMSTA Communications Station COMTAC Communications Tactical CONCAWE The International Companies'

European Organization for Environmental Health Protection

cond conductivity content. CONFIG Configuration CONOP Concept of Operations CONOPS Contingency Operations CONREP Continuous Alongside Underway

Replenishment CONS Construction (CONSTR)

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Maritime Acronyms and Abbreviations 14

CONS Consumption CONT Continued CONUS Continental United States CONVER Conversion COOP Continuity of Operations Planning COORD Coordinator COP Custom of the Port COR Certificate of Registry (U.S. Coast

Guard) COR Circular of Requirements Cor. Corrigendum CORE National Contingency Response CORM Commission on Roles and Missions CORMV Coalition of Retired Military Veterans corr. correction. COS Corporation for Open Systems cos cosine. COSAL Consolidated Shipboard Allowance

List COSCO China Ocean Shipping Co. COSH Canada Occupational Safety and

Health COSPAS Space System for Search of Vessels

in Distress COSPAS-SARSAT (Cosmicheskaya Sistyema Poiska

Avariynich Sudov), Space System for the Search of Vessels in Distress, Search and Rescue Satellite-Aided Tracking

CoSWP Code of Safe Working Practices For Merchant Seamen

COT Cargo Oil Tank COT Consecutive Overseas Tour cot cotangent. COT Curacao Oil Terminal COTHEN Customs Over-the-Horizon

Enforcement Network COTP Captain of the Port COTR Contracting Officer's Technical

Representative COTS Commercial Off-the-Shelf cov coversine. COW Crude Oil Washing COW/IGS Crude oil Washing & Inert Gas

Systems COWP Contracting Officer Warrant Program CP Center Point

Cp stg c course per steering compass. CP/DO Contingency Preparedness/Defense

Operations CPA Canada Petroleum Association CPA Closest Point of Approach CPA Commander, Pacific Area CPB Coastal Patrol Boat CPC Continued Proficiency Certificate CPE circular probable error. CPE Continued Proficiency Endorsement CPEB Central Physical Evaluation Board Cpgc course per gyrocompass. CPM Critical Path Method CPO Chemical Protective Over-Garment CPO Chief Petty Officer CPOA Chief Petty Officer Academy CPONA Chief Petty Officer Needs Assessment CPPI Canadian Petroleum Producers

Institute CPPS Permanent Commission of the South

Pacific CPRMS Civilian Personnel Resource

Management System CPS characters/cycles per second or

conversions per second depending on content

Cpsc course per standard compass. CPT Carriage Paid To CPU Central Processing Unit CPY Cargo Preference Year CQA Commandant's Quality Award CR carriage return character CR China Corporation Register of

Shipping (Taiwan Class Society) Cr chromium CR Civil Rights CR Configuration Review CR Current Rate CRADA Cooperative Research and

Development Agreement CRB Contract Review Board CRC cyclic redundancy check CRF Construction Reserve Fund CRI Circular radio information CRISTAL Contract Regarding a Supplement to

Tanker Liability for Oil Pollution. Oil Companies' supplement to TOVALOP

Page 17: Maritime Acronyms and Abbreviations

Maritime Acronyms and Abbreviations 15

CRISTAL Contract Regarding an Interim Supplement to Tanker Liability

CRN Crane CRO Civil Rights Officer CRS coast radio station CRS Continuous Refrigeration Survey crs course. CRS Croatian Register of Shipping (Class

Society) CRT Cathode Ray Tube Cs cesium CS creeping line search CS ISO Central Secretariat CSA Canada Shipping Act CSA Canada Standards Association CSA Canadian Shipowner’s Association CSA Caribbean Shipping Association CSA Command Staff Advisor CSA Configuration Status Accounting CSAT Combat System Alignment Test CSB Canada Shipping Board CSBC Canadian Safe Boating Council CSC Civil Service Commission CSC Container Safety Convention CSC Convention for Safe Containers csc cosecant. CSC creeping line search, co-ordinated CSCC Coastal Sea Control Commander CSCI Computer Software Configuration Item CSD Combat System Doctrine CSFR Continental Shelf Fisheries Resources CSG Consultative Shipping Group (Forum

for shipping discussions with authorities with 14 West European countries and Japan)

CSM Cargo Securing Manual CSM Closed System Measurement CSMA/CD carrier sense multiple access with

collision detect CSMP Current Ship's Maintenance Project CSMTT Combat System Mobile Training Team CSP Career Sea Pay CSP commence search point CSP computer set point CSPI College Student Pre-Commissioning


CSR Contractor Status Report CSR Cutter Support Review CSRS Civil Service Retirement System CSS Centralized Shipboard/Shoreside

Supply CSS Code of Shipmanagement Standards CSS co-ordinator surface search CSSQAT Combat System Ship Qualification

Assistance Team CSSQT Combat System Ship Qualification

Trial CST Caribbean Support Tender CST Centistokes CST Central Standard Time CSTT Combat System Training Team CSU channel service unit CT Cargo Tank CT Country Team CTAC Chemical Transportation Advisory

Committee CTAC Chemical Transportation Advisory

Committee CTAISB Canadian Transportation Accident

Investigation and Safety Board CTC Cargo Tank, Center CTG Commander Tactical Group CTI comparative tracking index CTL Constructive Total Loss CTOS Convergent Technologies Operating

System CTR Container Fitted CTS Clear To Send (from DCE) CTSH Correction Temperature of Tank Shell CTT Canadian Transportation Tribunal CTT Communications Training Team CTU cargo transport unit CTU Commander Task Unit CTVEP Cooperative Towing Vessel

Examination Program CTW Cargo Tank, Wing CTX Cargo Tank, Common Cu copper cu in cubic inch cup cupola. CUPS Civilian Unified Pay System Cus Ho customs house.

Page 18: Maritime Acronyms and Abbreviations

Maritime Acronyms and Abbreviations 16

CV Cape Verde Islands (Flag) Cv value sizing coefficient CVM Contingent Valuation Method CVN C- Carrier, (V) Fixed Wing, (N)

Nuclear Powered CVS Commercial Vessel Safety CW Chemical Warfare CW Continuous Wave CWA Clean Water Act CWA Cooperative Working Agreements CWA current word address CWBS Contract Work Breakdown Structure CWO Chief Warrant Officer CWS Compressed Work Schedule CWTBS Cylindrical Water-Tube Boiler Survey CxC Come by Chance CY Calendar Year CY Cyprus (Flag) CYCLD Cycloidal Propeller CZ Coastal Zone CZ Contiguous Zone CZn compass azimuth.

D d declination change in 1 hour

(astronomical); altitude difference; diameter of a valve inlet in inches

D deviation; dip (of horizon); distance; destroyed; diameter of pipe, total drift

D&F Determinations and Findings D&ID Duct and instrument diagram D&M Detection and Monitoring D&O Directors And Officers (Insurance

Policy) D. Lat. difference of latitude. d.p.p. Dirty Petroleum Products D/A digital to analog D/I Due In D/O Due Out dA difference of longitude (time units). DA Double-Acting DAA Data Access Arrangement DAAS Defense Automatic Addressing

System DAC Diagnostic Analysis of Currents

DAC digital to analog converter DAC Diversity Advisory Committee DACOWITS Defense Advisory Committee on

Women in the Services DAF Delivered At Frontier Cargo DAFIS Departmental Accounting and

Financial Information System DALY disability-adjusted life year DAM Damage DAMFORDET Damages for Detention DANTES Defense Activity for Non-Traditional

Education Support DAPS Days All Purposes DARE Drug Abuse Resistance Education DAS data acquisition system DASD direct access storage device DATT Defense Attache DAU Defense Acquisition University DAVIS Defense Audiovisual Information

System DAWIA Defense Acquisition Workforce

Improvement Act DB Data Base dB decibel DB Double-Bottom DBA Database Administrator DBH Destroyed By Hurricane DBOF Defense Business Operating Fund DBS Destroyed By Storm DC Damage Control/Damage Controlman DC data communication DC Direct Current DCA Damage Control Assistant DCAA Defense Contract Audit Agency DCC Damage Control Central DCE Data Communications Equipment DCM Dangerous Cargo Manifest DCN Design Change Notice DCO Direct Commission Officer DCS Distributed Control System DCV chemical vapor deposition DD Dry-Docking DDA digitally directed analog DDC Direct Digital Control DDCMP Digital Data Communications

Message Protocol

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Maritime Acronyms and Abbreviations 17

DDCS Distributed Digital Control Systems DDD direct distance dialing DDP Delivered Duty Paid DDS dataphone digital service DDT dichlorodiphenyltrichloroethane DDU Delivered Duty Unpaid DE Subcommittee on Ship Design and

Equipment (IMO) De total drift error DEA Drug Enforcement Administration Dec. declination. Dec. Inc. declination increment. DECCA A low frequency (LF) hyperbolic

radionavigation system based on harmonically related continuous wave transmissions

DEDMKO Danmarks Elektriske Material Kontrol (Denmark)

DEERS Defense Enrollment and Eligibility Reporting System

DEFCON Defense Condition deg. degree(s). DEM Demolished DEM Demurrage DEMIL Demilitarization DEMVAL Demonstration and Validation DEN (See HSE) DEOMI Defense Equal Opportunity

Management Institute Dep. departure. DEQ Delivered Ex Quay (Duty Paid) DERA Defence Evaluation and Research

Agency (UK) DES Delivered Ex Ship DES Digital Encryption Standard DESC Defense Energy Support Center destr. destroyed. DETR Department of the Environment,

Transport and the Regions (UK) DEU Germany (Flag) Dev. deviation. DEVCO Committee on developing country

matters DF Direction Finding DF Direction-Finder DFD Data Flow Diagram DFO Department of Fisheries & Oceans

DFSC Defense Fuel Support Center DFT diagnostic function test DG degaussing. DG Directorate General (EU) DGIN Direction générale de l'inspection des

navires DGLONASS Differential Global Navigation Satellite

System DGPS Differential Global Positioning System DGS Dangerous Goods Shipping DGSR Dangerous Goods Shipping

Regulations DHDATSBE Dispatch Half Demurrage on All Time

Saved Both Ends DHQ mean diurnal high water inequality. DI Detect and Identify DI Domestic Icebreaking DI/OU data input/output unit Dia diaphone. dia. or diam diameter DID Data Item Description DIDS Defense Integrated Data System DIES Diesel diff. difference. DII COE Defense Information Infrastructure

Common Operating Environment DIN Deutsches Institut fur Normung e.V.

(Germany) DIOC Domestic Interdiction Operations

Center DIP Dust-ignition-proof, Dual In line

Package DIR Direct DIRLAUTH Direct Liaison Authorized DIS Danish International Ship Register DIS DCE Independent Sublayer, Draft

International Standard DIS Draft international standard (ISO) DISA Defense Information Systems Agency DISCH Discharge DIST District Commander Dist. distance. DISTNET District's Record Message System DITCO Defense Information

Telecommunication Certification Office DITY Do-It-Yourself Move DIU Digital Interface Unit

Page 20: Maritime Acronyms and Abbreviations

Maritime Acronyms and Abbreviations 18

DIW Dead in the Water DK Deck DL Data Link - Approximately Layer 2 of

the OSI model (ISO 7498), Drawing List

DLA Defense Logistics Agency DLA Dislocation Allowance DLat difference in latitude DLE Data Link Entity DLEA Drug Law Enforcement Agency DLL Data Link Layer - Defined in ISO 7498 DLo difference of longitude (arc units). DLong difference in longitude DLQ mean diurnal low water inequality. DLR Depot Level Reparable DLRP Data Link Reference Point DLS Decoy Launching System DLSC Defense Logistics Service Center DLSU Department Legal Services Unit dm decimeters. DMA Defense Mapping Agency DMA Direct Memory Access DMACS Debt Management and Collection

System DMAHTC Defense Mapping Agency

Hydrographic/Topographic Center. DMB Datum Marker Buoy DMB Disposition Medical Board DMDO Distilate Marine Deisel Oil DME distance measuring equipment DMG distress message generator DMI Depot Maintenance Inter-Service DMISA Defense Maintenance Interservice

Support Agreement DMM Digital Multimeter DMP Dispersant Mission Planner DMS Debt Management Services DMS Defense Message System DMT dead man timer DNC Digital Nautical Chart DNC Digital Navigation Chart. DND Deparartment of National Defence DNK Denmark (Flag) DNME Dynamic Non Member Economies (in


DNV Det Norske Veritas (classification society) (Norway)

DO Defense Operations DO Delivery Order DO Diesel Oil DOC Document Of Compliance (Part of ISM

Code) DOR Dispersant to Oil Ratio DOCARE Department of Conservation and

Resource Enforcement DOCR Departmental Office of Civil Rights DOD Department of Defense DODISS Department of Defense Index of

Specifications and Standards DOE Department Of Energy DOE Department of Environment's DOI Department Of the Interior DOJ Department of Justice dol dolphin. DOP Designated Overhaul Point DOP Dropping Outward Pilot DOS Department of State DOS Disk Operating System DOT Department of Trade DOT Department of Transportation DoT Department of Transportation (British) DoTI Department of Trade and Industry

(British) DOTRES Department of Treasury DP Data Processing Technician DP Deployment Plan dp differential pressure DP Door Post; Dew Point; Dash Pot; Draft

Proposal DP dynamic positioning DPA Designated Person(s) Ashore DPB Deployable Pursuit Boat DPM Digital Panel Meter DPOSD Deployed Port Operations, Security,

and Defense DPRI Directives, Publications, and Reports

Index DPVOA Dynamic Positioning Vessel Owners

Association DR Dead Reckoning; Dead Reckoning

Position. DR Defense Readiness

Page 21: Maritime Acronyms and Abbreviations

Maritime Acronyms and Abbreviations 19

DR Double Reduction DRE dead reckoning equipment. DRIS Defense Regional Interservice Support DRK Derrick DRM Direction of Relative Movement DRT Dead Reckoning Tracer DRU desert rescue unit Ds dip short of horizon. DSAA Defense Security Assistance Agency DSB Dispute Settlement Body DSC Digital Selective Calling DSC Subcommittee on the Carriage of

Dangerous Goods, Solid Cargoes, and Containers (IMO)

DSC Code Code of Safety for Dynamically Supported Craft

DSCS Defense Satellite Communications System

DSD double second difference. DSO Designated Senior Official DSO Digital Storage Oscilloscope DSOT Daily System Operation Test DSP diarrhoeic shellfish poisoning DSP Digital Signal Processor/Processing DSR Data Set Ready DSR Disability Separation Representative DSRK Deutsche Schiffs Revision und

Klassifikation (previous German class society in DDR, now incorporated in GL)

DSS decision support system DSU Digital Service Unit DSU Dispute Settlement Understanding DSV Diving Support Vessel DSVL doppler sonar velocity log. DT Defense Tactics DT Developmental Test DT&E Developmental Test and Evaluation DTC Desktop Tactical Computer DTE Data Terminal Equipment DTG Date-Time Group DTL diode transistor logic DTMF dial tone, multi-frequency DTO Direct Turnover Material DTO Drug Trafficking Organization DTR data terminal ready

DTS Defense Transportation System dur. duration. DUT Device Under Test DVR Design Verification Report DW Deep Water Route. DW Distilled Water DWCT Deadweight Cargo Tons, or the weight

of to be transported under a charter party

DWFN Distant Water Fishing Nations DWMA Deep Water Mission Analysis DWRRA Deep Water Royalty Relief Act of 1995 Dwt deadweight tonnes DWT Deadweight Tons DX.90 Format for digital cartographic data Dy dysprosium DZ danger zone.

E e base of Naperian logarithms; origin of

own ship's true vector; eccentricity. E east; modulus of elasticity; total

probable error of position. E&P Exploration And Production E&P FORUM The Oil industry International

Exploration and Production Forum (London)

E. Int. equal interval; isophase. E2CEN Electronics Engineering Center E3 Electromagnetic Environmental Effects EA Electronic Attack EA Environmental Assessment EA Executive Assistant EAA Export Administration Act EAD Extended Active Duty EAF Eastern African Region EAR Enforcement Action Report EAROM Electrically Alterable Read Only

Memory EARS Excellence, Achievement, and

Recognition System EAS East Asian Seas Region EATA Europe Asia Trades Agreement

(Conference) EBA Emergency Breathing Apparatus

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Maritime Acronyms and Abbreviations 20

EBCDIC Extended Binary Coded Decimal Interchange Code

EBL electronic bearing line. EBRD European Bank for Reconstruction

and Development EC East Coast EC electronic chart. EC European Comunity or European

Commission EC&R Environmental Compliance and

Restoration EC/EDI Electronic Commerce and Electronic

Data Interchange ECAREG Eastern Canada Traffic Regulation

System ECARIB Eastern Caribbean ECC Environmental Coordinating

Committee ECCTT Engineering Casualty Control Training

Team ECD envelope to cycle difference; envelope

to cycle discrepancy. ECDB electronic chart data base. ECDIS Electronic Chart Display and

Information System ECDP Enlisted Career Development Program ECE Economic Commission for Europe,

Geneva (UN) ECE Environmental Compliance Evaluation

Program ECI Employment Cost Index ECJ European Court of Justice (EU) ECLA Economic Commission for Latin

America (UN) ECM electrochemical machining or

electrochemical milling ECM Electronic Countermeasures ECMA ECMA (formerly European Computer

Manufacturers Association) ECMT European Conference of Ministers of

Transport ECNH East Coast North of Hatteras ECONOP Engineering Logistics Concept of

Operations ECOSOC Economic and Social Council of the

United Nations, New York ECP Engineering Change Proposal ECRC Eastern Canada Response


ECS Electronic Chart Systems ECSA European Community Shipowners'

Association (EU) ECSA Exchange Carriers Standard

Association ECSC European Coal and Steel Community ECU European Currency Unit ED Environmental Defense ED existence doubtful. Ed. Edition EDA Excess Defense Articles EDC Electronic Docking Charts EDCs endocrine disrupting chemicals EDD estimated date of departure. EDH Effecient Deckhand EDI Electronic Data Interchange EDM electrical discharge machining EDP electronic data processing EE Employee Express EEA European Economic Area EEBA Emergency Escape Breathing

Apparatus EEBD Emergency Escape Breathing Device EEBD’s Emergency Escape Breathing Devices EEC European Economic Community EED Electro-Explosive Devise EEE "European-Economic-Ecological"

Tanker Design EEF Eastern Fishermen Federation EEIS Electronic Equipment Information

System EEMUA Engineering Equipment and Materials

Users Association EEO Equal Employment Opportunity

(civilian) EEOC Equal Employment Opportunity

Commission EEPROM electrically erasable and

programmable read only memory EEZ Exclusive Economic Zone EFTA European Free Trade Association

(Norway, Luxembourg and Iceland) EFTO Encrypted for Transmission Only EGC Enhanced Group CallIing. EGICP Electronics General Inventory Control

Point EGL Equipment Guide List

Page 23: Maritime Acronyms and Abbreviations

Maritime Acronyms and Abbreviations 21

EGNOS European Geostationary Navigation Overlay System developed by the European Union

EGT Emergency Gas Turbine EHF Extremely High Frequency EIA Electronics Industry Alliance EIA Environmental Impact Analysis EIA environmental impact assessment EIB European Investment Bank (EU) EIC Equipment Identification Code EILSP Electronics Integrated Logistics

Support Plan EIR Electronic Installation Record EIR Electronic Inventory Record EIS Environmental Impact Statement EIS extended instruction set EIU Even If Used EJMA Expansion Joint Manufacturer's

Association Inc. ELA Euzko Langilleen Alkartasuna

(Spanish Basque trade union) ELC Engineering Logistics Center ELEX Electronics ELEXALTS Electronics System Alterations ELF Extremely Low Frequency ELINT Electronic Intelligence ELR extra-long-range aircraft ELSC Engineering Logistics Steering

Committee ELT Emergency Locator Transmitter ELT Enforcement of Laws and Treaties ELT-A Enforcement of Laws and Treaties -

Alien Migrant Interdiction Operations ELT-D Enforcement of Laws and Treaties -

Drugs ELT-L Enforcement of Laws and Treaties -

Living Marine Resources ELVENT Electric Ventilation EM Electrician's Mate EM electromagnetic (underwater log). em other ship's true vector. EMA European Monetary Agreement E-MAIL Electronic Mail EMAS Eco Management and Audit Scheme EMCON Emissions Control EMD Electronics Maintenance Detachment EMER Emergency

emf electromotive force EMI Electro-Magnetic Interference EMI/EMC Electromagnetic

Interface/Electromagnetic Compatibility

EMIF European Maritime Industries Forum EMIS Enforcement Management Information

System EMP electromagnetic pulse EMR Electromagnetic Radiation EMR Energy Mines and Resources

(Canada) EmS Emergency Procedures for Ships

Carrying Dangerous Goods EmS Emergency Response Schedules EMSIS Emergency Shipping Information

System EMT Emergency Medical Technicians EMU Economic and Monetary Union EMU Electronics Maintenance Unit EMUG European MAP Users Group EMW Electromagnetic Wave EN Ensign EN European Norm (Standard) ENC Electronic Navigation Chart ENCDB electronic navigation chart data base. ENG Engine ENG Engineers ENGOs Environmental Non-government

Organizations ENID enhanced identity ENQ inquire ENR En Route ENSO El Nino / Southern Oscillation EO Enabling Objective EO Engineer Officer EO Equal Opportunity (military) EO Executive Order EOA Equal Opportunity Advisor EOB Explanation of Benefits EOC End of Contract EOCT End-of-Course Test EOD Explosive Ordnance Detail EOD Explosive Ordnance Disposal EOF end of file EOIT Engineer Officer in Training Program

Page 24: Maritime Acronyms and Abbreviations

Maritime Acronyms and Abbreviations 22

EOM End of Month EOQ Economic Order Quantity EOQ End of Quarter EOS End of Season EOS Equal Opportunity Specialist EOT end of tape EOW Engineer Officer of the Watch EP Electronic Protection EP Explosion proof; Emergency Power EPA Enhanced Performance Architecture EPA Environmental Protection Agency EPAC Eastern Pacific Ocean Area EPC Ecole des peches de Caraquet EPCRA Emergency Planning and Community

Right-To-Know Act EPFS Electronic Position Fixing System EPFS Electronic Position Fixing System EPIB Emergency Position Indicating Buoy EPIC El Paso Intelligence Center EPIRB Emergency Position Indicating Radio

Beacon EPOY Enlisted Person of the Year EPPP Emergency Planning, Preparedness,

and Prevention Guide EPROM erasable programmable read only

memory EPS IMO performance standard for ECDIS Eq.T equation of time. EQS Environmental Quality Standard EQUIP Equipment EQUIV Equivalent ER Engine Room Er erbium ER Extended Range er own ship's true vector. ERA Engine Room Assistant ERPAL Electronic Repair Parts Allowance List ERQ Economic Repair Quantity Es Einsteinium ES Electronic Warfare Support ES/EA Electronic Support/Electronic Attack ESA EFTA Surveillance Authority ESA Endangered Species Act ESC European Shippers' Council, Haag ESC Executive Steering Committee

ESCA Electron Spectroscopy for Chemical Analysis

ESCAPE Economic and Social Commission for Asia and South Pacific (UN)

ESD Electro-Static Discharge ESD Emergency shutdown ESD Estimated Shipping Date ESERB Enlisted Selective Early Retirement

Board ESFRS Electronic Supply Fund Reporting

System ESI Environmental Sensitivity Index ESM Electronic Surveillance Measures ESO Educational Services Officer ESP Enhanced Survey Program ESP Spain (Flag) est estimated EST Estonia (Flag) ET Electronic Technician ET Ephemeris Time. ETA Estimated Time of Arrival ETC Estimated Time of Completion ETD Estimated Time of Departure ETR Estimated Time of Repair ETS Estimated Time of Sailing ETS European Telecommunication

Standard ETSF Electronic Trading Stasndard Format ETSI European Telecommunications ETX end of text EU European Union Eu Europium EURO European Vessel EUROS European Community Ship Register EUSC Effective United States Control

Vessels eV electron volt EW Electronic Warfare EWICS European Workshop on Industrial

Computer Systems EWO Electronic Warfare Officer EWS Early Warning System EWT Extended Well Testing EXIMBANK Export Import Bank of the United

States EXIMBANK Export-Import Bank

Page 25: Maritime Acronyms and Abbreviations

Maritime Acronyms and Abbreviations 23

EXP Expires EXT Entity External to the Coast Guard EXT Extension Exting extinguished. EXW Ex Works

F f fast; longitude factor; phase correction

(altitude); fixed (light) flattening or ellipticity; friction factor;

force, pounds; velocity of approach; latitude factor.

F farad, Fahrenheit, or fluorine F&G Fire and gas F.Fl. fixed and flashing. F/V Fishing Vessel FAA Federal Aviation Administration FACNET Federal Acquisition Computer Network FACS Federation of American Controlled

Shipping FAD Force Activity Designator FAI Final Acceptance Inspection FAO Food and Agriculture Organization,

Roma (UN) FAQ Frequently Asked Question FAR Federal Acquisition Regulation FARA Federal Acquisitions Regulations

Automated FAS Free Alongside Ship FASA Federal Acquisition Streamlining Act of

1994 FASA Federation of Asian Shipowners'

Associations FAT Factory Acceptance Test FAT Final Acceptance Test FAT First Article Test FAX Facsimile FBCI Functional Baseline Configuration

Index FBE Fleet Battle Experiment FBI Federal Bureau of Investigation FBL Functional Baseline FBM Foot Board Measure FBR Feedback Report FC Facilitation Committee (IMO) FC Firing Channel

FCA Free to Carrier FCA Functional Configuration Audit FCC Federal Communications Commission;

Frame Code Complement FCC Fisheries Council of Canada FCC fully cellular containership FCD Functional Configuration

Documentation FCI Functional Configuration Identification FCO financed,constructed and operated FCS Fire Control System FCZ Fisheries Conservation Zone FD Free Discharge Fd valve style modifier FD&CC Facilities Design and Construction

Center FD&D/FDD Freight, Demurrage, And Deadfreight FDCC Facilities Design and Construction

Center FDDI Fiber Distributed Data Interface FDESP Free Dispatch FDIS Free Discharge FDM Frequency Division Multiplex FDSS Federal-Wide Drug Seizure System FDX full duplex Fe iron FEA Feature; Finite Element Analysis FeCl3 ferric chloride FEEF Facilities Energy Efficiency Fund FEHB Federal Employees Health Benefits FEM Federation Europeenne De La

Manutetion FEM Finite Element Methods FEMA Federal Emergency Management

Agency FEMSS Facility Engineering Management

Support System FEORP Federal Equal Opportunity

Recruitment Program FEPORT Federation of European Private

Terminal Operator FERS Federal Employees Retirement

System FEU Forty-Foot Equivalent Unit (Container) FF form feed FFA Forum Fisheries Agency FFAW Fisherman, Food, and Allied Workers

Page 26: Maritime Acronyms and Abbreviations

Maritime Acronyms and Abbreviations 24

FFLA Family Friendly Leave Act FFT Fast Fourier Transform FFV Foreign Fishing Vessel FG Fighter Group FGP Fiberglass Pipe FHEX Fridays, Holidays Excepted (Muslim

Countries) FHINC Fridays, Holidays Included (Muslim

Countries) FHWA Federal Highway Administration FI Facility Inventory FIA Financial Inventory Accounting FIATA Federation Internationale des

Associations de Transifaires et Assimiles (Zurich)

FIATA Federation of Freight Forwarders Associations

FIC Flight Information Centre FID Foreign Internal Defense FIFO First In, First Out FIIG Federal Item Identification Guide FIIN Federal Item Identification Number FILO Free In/Liner Out FIN Finland (Flag) FINAIDS Financial Aid Sheets FINCEN Finance Center FIO Free In and Out FIR flight information region FIT Fault Isolation Test FK ratio of specific heats factor FL liquid pressure recovery factor fl oz fluid ounce Fl. flashing (light). Fl. (2) group flashing (light). Fl. (2+1) composite group flashing (light). FLAR Forward Looking Airborne Radar FLAR forward-looking airborne radar FLC Fleet Logistics Center FLETC Federal Law Enforcement Training

Center FLIR Forward-Looking Infrared Radar FLIS Federal Logistics Information System FLO/FLO Float On / Float Off FLOCS Fast Lube Oil Change System

FLP combined liquid pressure recovery factor and piping geometry factor of a valve with reducers

FLS Fleet Logistics Savings FLS Fleet Logistics System FLSA Fair Labor Standard Act FLSIP Fleet Logistics Support Improvement

Program Fm fermium FM Field Manuals FM Flowmeter; Fire Main; Field Multiplex;

Frequency Modulation; Factory Mutual FM Frequency Modulation fm(s) fathom(s). FMC Federal Maritime Commission (USA) FMEA Failure mode and effect analysis FMECA Failure Mode and Effects Criticality

Analysis FMF Foreign Military Financing FMFIA Federal Managers' Financial Integrity

Act FMFP Foreign Military Financing Program FMIS Facility Management Information

System FMLA Family and Medical Leave Act FMP Fishery Management Plan FMP Fleet Modernization Program FMP Foremost Measuring Point FMS flexible manufacturing system FMS Foreign Military Sales FN Fidenavis S.A. (Spanish Class

Society) FND Foundered FNI Fellow of The Nautical Institute FNP Federal Navigation Plan FO Fuel Oil FOB Free On Board FOC Flag of Convenience FOC Full Operational Capability Global

Navigation Satellite System, based on GPS and EGNOS, developed by the European Union

FOCA Federation of Ontario Cottager's Association

FOG For Our Guidance Fog Det. fog detector. Fog Sig. fog signal.

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Maritime Acronyms and Abbreviations 25

FOIA Freedom of Information Act FOIRL Fiber Optic Inter Repeater Link FOM Flag/Ownership/Management FON Freedom Of Navigation FONASABA Federation of National Associations of

Shipbrokers and Agents FONASBA Federation Of National Associations of

Shipbrokers & Agents FONSI Finding Of No Significant Impact

(Environmental Assessment) FOQ Free On Quay FORACS Fleet Operational Readiness Accuracy

Check Sight FORMICA Foreign Military Intelligence Collection

Activity FORTRAN FORmula TRANslating system FOS Full Operational Status FOSC Federal On-Scene Coordinator FOT&E Follow-On Operational Test and

Evaluation FOUO For Official Use Only FOW First Open Water FOW Free On Warf FP IMO Sub-committee on Fire Protection FP piping geometry factor FP Subcommittee on Fire Protection

(IMO) FPA Financial Property Accounting FPA Free of Particular Average FPDEER Fire Protection, Detection, and

Extinguishing Equipment Regulation FPEB Formal Physical Evaluation Board FPLA Field-Programmable Logic Array fpm foot per minute FPMR Federal Property Management

Regulation FPR Failed Parts Reporting FPS Floating Production and Storage fps foot per second FPSO floating production,storage and

offloading system FR Federal Register (U.S.) FR Force Revision FR Frame (FRM) Fr Francium FR Reynolds number factor FRA Federal Railroad Administration

FRA France (Flag) FRAM Fleet Renovation and Modernization FRATE frame rate FRC Federal Records Center FREDIM FINCEN's Rapid Electronic Data

Interchange Method System FRHC Fraser River Harbour Commission FRN Foreign Vessel FRP Facility Response Plan FRP Fiber Reinforced Plastic FS Fire & Safety Technician FS Food Service Specialist FS laminar flow coefficient fs optimal search factor FSA Family Separation Allowance FSA formal safety assessment FSC Federal Supply Classification FSD Full Scale Development FSG Federal Supply Group FSH Fishing Vessel FSI Flag State Implementation FSI Subcommittee on Flag State

Implementation FSK frequency shift keying FSR Frequency Spectrum Reallocation FSR full scale range FSS Code Fire Safety Systems Code FSY frame synchronizer FT Fire Control Technician ft foot ft lb foot pound ft. foot, feet. ft/min feet per minute ft/s feet per second; also written ft/sec ft2 square feet ft3 cubic feet ft3/hr cubic feet per hour ft3/min cubic feet per minute ft3/s cubic feet per second FTA Federal Transit Authority FTA Financial Transfer Authorization FTAM file transfer access and management FTBS Fire-Tube Boiler Survey FTC fast time constant. FTE Full Time Employee

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Maritime Acronyms and Abbreviations 26

FTE Full Time Equivalency FTP file transfer protocol FTP Full Time Permanent Position FTP Code Fire Test Procedures Code FTQMC Flag Total Quality Management

Coordinator FTS Federal Telecommunications System FTSC Fleet Technical Support Center FTX Field Training Exercises FUND Ship Financing Revolving Fund FV First Visit FV Fishing Vessel FVS Fishing Vessel Safety FW Free Water FW Fresh Water fw weather correction factor FWA first word address FWAD Fresh Water Draft On Arrival FWD Forward FWDD Fresh Water Departure Draft FWE Finished With Engines FWP Federal Women's Program FWPCA Federal Water Pollution Control Act FWS Fish and Wildlife Service FXP Fleet Exercise Publication FY Fiscal Year FYG For Your Guidance FYI For Your Information fz effort factor

G g acceleration due to gravity; Greenwich

meridian (lower branch): gram. G Greenwich meridian (upper branch);

grid (direction); gravel; green; specific gravity

G- USCG Headquarters Office Staff Symbol

G.A./GA General Average g/cm3 grams per cubic centimetre g/L grams per litre G7 Group of Seven Nations (United

States, Canada, Japan, Britain, France, Germany, and Italy)

Ga gallium

GA General Alarm GAA General Agency Agreement gal gallon gal/min gallons per minute gal/s gallons per second GAO General Accounting Office GAT Greenwich apparent time. GATS General Agreement on Trade in

Services GATT General Agreement On Tariffs and

Trade (Geneva) (now WTO) GB grid bearing. GBD global burden of disease GBL Government Bill of Lading GBR United Kingdom (Flag) GBS Gravity Base Structure GC grid course. GC Code Code for the Construction and

Equipment of Ships Carrying Liquefied Gases in Bulk

GCBS General Council of British Shipping GCLWD Gulf Coast Low Water Datum. GCM General Court-Martial GCP Gun Control Panel Gd gadolinium GDOC Geographic Display Operations

Computer GDOP geometric dilution of precision. GDP Gross Domestic Product Ge germanium GE gyro error. GEF Global Environment Facility GEN General Cargo GES ground earth station GESAMP Joint Group of Experts on the

Scientific Assess-ment of Marine Environmental Protection

GF Government Furnished GFCS Gun Fire Control System GFE Government Furnished Equipment GFI Government Furnished Information GFM Government Furnished Material GFP Government-Furnished Property GH grid heading. GHA Greenwich Hour Angle GHz gigahertz

Page 29: Maritime Acronyms and Abbreviations

Maritime Acronyms and Abbreviations 27

GI Greenpeace International GIFA Governing International Fisheries

Agreements GILS Government Information Locator

Service GIS Geographic Information System GIS German International Ship Register GIWA Global International Waters

Assessment GL Germanischer Lloyd (German Class

Society) GLA General Lighthouse Authority GLA Great Lakes Area GLIB Great Lakes Icebreaker GLIPM Great Lakes Icebreaking Performance

Model GLONASS Global Navigation Satellite System

operated by the Government of the Russian Federation

GLRC Great Lakes Response Corporation of Canada

GLS Gearless GM Gunner's Mate GMAW Gas Metal Arc Welding GMDSS Global Maritime Distress and Safety

System (IMO) GMF Ground Mobile Forces GMFA Grand Manan Fishermen’s Ass’n GMR Ground Mobile Radar GMS Gun Mount System GMT Greenwich Mean Time (Universal/Zulu

Time) GN Grain GNCN General Conditions GNP gross national product GNSS Global Navigation Satellite System GNSS/2 Future Global Navigation Satellite

System, partially developed by the European Union

GNWT Government of the Northwest Territories

GO Gas Oil GOC General Operators' Certificate with

regard to GMDSS GOM Government of Mexico GOM Gulf of Mexico GOMEX Gulf of Mexico GOTS Government Off the Shelf System

GOV Gross Observed Volume GP geographical position. GP Group GP&C Global Positioning and

Communications Gp. Fl. group flashing. GPA GATT Procurement Agreement GPA/LBA Global Programme of Action for the

Protection of the Marine Environment from Land-Based Activities

GPETE General Purpose Electronic Test Equipment

GPG General Policy Group (IACS) gph gallons per hour (flow) GPIB General Purpose Instrumentation Bus GPO Government Printing Office GPRA Government Performance and Results

Act GPS Global Positioning System GPSS general purpose simulation system GQ General Quarters Gr. Greenwich. GRC Greece (Flag) GRD Geared GRI group repetition interval. GRIN graded index fiber (optical fiber) GRN Grounded GRP Glass Reinforced Plastic GRP Group GRS Gears GRT Gross Registered Tonnage GS General Schedule (civilian) GS ground speed GSA Government Service Administration GSB Guaranteed Safe Berth GSR Ground Surveillance Radar GST Greenwich sidereal time. GSV Gross Standard Volume GT Gross Tonnage GT Gross Tons gt gross tons GTAW Gas Tungston Arc Welding GTEE Guarantee GTMO Guantanamo Bay, Cuba GUCL General Use Consumables List GV grid variation.

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GWS Gun Weapon System Gy gray GZn grid azimuth.

H h altitude (astronomical); height above

sea level; hours (also abbreviated hr); valve travel function (fluid head feet)

H henry, hydrogen, and valve travel in inches (fluid head)

hH.W.F.&C. high water full and change. H2CrO4 chromic acid H2O water H2S hydrogen sulphide H2S4 sulphuric acid ha apparent altitude. HA Hatch HA Humanitarian Assistance HACS Hazards Assessment Computer

System HACU Hispanic Association of Colleges and

Universities HANDYMAX Bulk Carrier 35,000-50,000 DWT HANDYSIZE Bulk Carrier 10,000-35,000 DWT HAZMAT NOAA's Hazardous Materials

Response and Assessment Division HAZOP Hazard and operability (study) HBA Health Benefits Advisor HBCU Historically Black Colleges and

Universities HBL Hydrostatic Balanced Loading Hc computed altitude. HC Hydraulic Coupling HCA Head of the Contracting Activity HCFC Hydro-Chlorofluorocarbone HCG Haitian Coast Guard HCl hydrochloric acid HCPV High Capacity Passenger Vessel HCRF Hydrographic Chart Raster Format HDC Harbor Defense Commander HDCU Harbor Defense Command Unit HDDR high density digital recording Hdg. heading. HDIP Hazardous Duty Incentive Pay HDLC high level data link control

HDLTSBENDS Half Dispatch Lay Time Saved Both Ends

HDPS Harbor Defense/Port Security HDWTS Half Dispatch Working Time Saved HDX half duplex HE heeling error; height of eye. HE High Explosive HE Human Element HEC High Endurance Cutter HELCOM Baltic Marine Environment Protection

Commission HEL-H heavy helicopter HEL-L light helicopter HEL-M medium helicopter HEP Hispanic Employment Program HERF Hazards of Electromagnetic Radiation

to Fuel HERO Hazards of Electromagnetic Radiation

to Ordnance HERP Hazards of Electromagnetic Radiation

to Personnel Hf hafnium hf height above sea level in feet. HF High Frequency HFDL High Frequency Data Link HFO Heavy Fuel Oil Hg mercury HGE Harmonisation Group on ECDIS HH Small Arms Instructor Designator HHP High holding power (anchors) HHS Health and Human Services HHW higher high water. HHWI higher high water interval. HICOM High Command Worldwide Voice

Network HIDTA High Intensity Drug Trafficking Area HIG High Interest Grid HIN Hull Identification Number HIPPS High integrity pressure protection

system HIPS High integrity protection system Hk hulk. HLCD high level computing device HLHI high level human interference HLOI high level operator interface HLW higher low water.

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HLWI higher low water interval. HM Hazardous Materials hm height above sea level in meters. HM&E Hull, Mechanical, and Electrical HMDC High Management & Development

Company HMER Hazardous Materials Emergency

Response HMIN Hazardous Material Inventory HMIS Housing Mangement Information

System HMS Heavy Metal Scraps HMT Harbor Maintenance Tax HN Host Nation HNS Convention on the Carriage of

Noxious and Hazardous Substances by Sea

HO Heavy Oil HO Hold Ho holmium HO Honduras (Flag) HO Hydrographic Office (UK), observed

height Ho observed altitude. HOA Head of Operating Administration Hor Cl horizontal clearance. HOR Horizontal Hor horizontal. HOWG Haiti Operational Working Group HP high pressure HP horizontal parallax. HP Horsepower Hp precomputed altitude. Hp/h horsepower hour Hp stg c heading per steering compass. hp/in. horse power per inch hp/in.3/min horse power per cubic inch per minute Hpgc heading per gyrocompass. HPHT High pressure high temperature HPMS Highway Performance Monitoring

System Hpsc heading per standard compass. HPT Human Performance Technology HPTB High Pressure Turbine HPU Hydraulic power unit HQ headquarters

HQINST Headquarters Instruction HQPC Headquarters Planning Coordinator HR Hellenic Register of Shipping (Greece) HR Human Relations HR Human Resources hr rectified (apparent) altitude. hr. hour, hrs., hours. HRD Human Resource Development HRDC Human Resources Department

Corporation HRP Human Resources Plan HRSIC Human Resource Services and

Information Center HS Harmonized Commodity Description

and Coding System HS Health Services Technician hs sextant altitude. HSC Hardware Systems Command HSC Headquarters Support Command HSC International Code of Safety for High-

Speed Craft (IMO) HSD high speed data. HSDN High Seas Drift Net HSE health safety and

environmental,Health and Safety Executive (UK)

HSE/HSI Human Systems Engineering/Human Systems Interface

HSI Human Systems Integration HSRP Hydrographic Standardized Raster

Product HSSC Harmonized System of Survey and

Certification HSWA Health and Safety at Work Act ht tabulated altitude. HTA High Threat Area HTS Harmonized Tariff Schedule HTSUS Harmonized Tariff Schedule of the

United States HUMINT Human Intelligence HVAC Heating, Ventilation and

Airconditioning HVR Hague-Visby Rules HW Hazardous Waste HW Heavy Weather HW High Water HWC Health and Welfare Canada

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HWCI Hardware Configuration Item HWI high water interval, mean high water

lunitidal interval. HWQ tropic high water inequality. HYPOT High Potential Test for Electric

Equipment HYT High Year Tenure (enlisted) Hz Hertz.

I I current or moment of inertia; also

iodine; inclination (of satellite orbit); I instrument correction. I&C instrument and control I&S Interchangeability and Substitutability I.Q. interrupted quick flashing. I.S. Intrinsic Safety I.U.Q. interrupted ultra quick flashing. I.V.Q. interrupted very quick flashing. I/B inboard I/O input/output I/P current to pressure transducer;

current/pneumatic; current/pressure IA institutional analysis IA instrument air IAC Information Analysis Center IACM Interagency Assessment of Cocaine

Movement IACS International Annealed Copper

Standard IACS International Association of

Classification Societies IADC International Association of Drilling

Contractors (Houston/Amsterdam) IADT Initial Active Duty for Training IAE integral absolute error IAEA International Atomic Energy Agency IAG Interagency Agreement IAGC Independent Analysis Government

Contractor IAIN International Association of Institutes

of Navigation IALA International Association Lighthouse

Authorities IAlN International Association of Institutes

of Navigation

IAMSAR International Aeronautical and Maritime Search and Rescue Manual

IAPH International Association of Ports and Harbors

IAR instruction address register IAS Initial Assessment Survey Program IASST International Association for Sea

Survival Training IAU International Astronomical Union. IAW In Accordance With IB Ice Breaker IBC International Code for the Construction

and Equipment of Ships Carrying Dangerous Chemicals in Bulk

IBCS Integrated bridge control system IBCs Intermediate Bulk Containers IBIA International Bunker Industry

Association Ltd IBM Integrated Business Management IBRD International Bank for Reconstruction

and Development, Washington IBS Integrated Bridge System IBU Inshore Boat Unit IBUDS Integrated Budget Development

System IC index correction. IC Industry Canada IC integrated circuit IC Internal Combustion ICAB International Cargo Advisory Bureau ICAM integrated coastal area management ICAO International Civil Aviation

Organization ICC Intelligence Coordination Center ICC International Chamber of Commerce ICCB Internet Configuration Control Board ICCL International Council of Cruise Lines ICD Interface Control

Drawing/Documentation ICES International Council for the

Exploration of the Sea ICFTU International Confederation of Free

Trade Unions ICHC AInternational Cargo Handling

Coordination Association ICHCA International Cargo Handling Co-

ordination Association (London) ICJ International Court of Justice

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ICLL International Convention on Load Lines

ICM integrated coastal management ICOTAS International Committee on the

Organization of Traffic at Sea (London)

ICP integrated circuit piezoelectric ICP Inventory Control Point ICPL International Committee on Passenger

Lines ICS Incident Command System ICS Institute of Chartered Shipbrokers: ICS International Chamber of Shipping

(London) ICS International classification for

standards ICS International Code of Signals ICS International Commission on Shipping ICVE Initial Control Verification Examination ICW Interactive Courseware ICW Intracoastal Waterway. ICWG Interface Control Working Group ICZM Integrated Coastal Zone Management ID Owner Identification Number IDA Institute for Defense Analysis IDAD Internal Defense and Development IDLH Immediate Danger to Life and Health IDP Individual Development Plan IDPL Inactive Duty Promotion List IDS Integrated Deepwater System IDT Inactive Duty for Training IDU Interface Data Unit - Defined in ISO

7498 IE International Engagement IEC International Electrotechnical

Commission IEE Institution of Electrical Engineers

(England) IEEE Institute of Electrical and Electronic

Engineers Inc. IEP Item Entry Proposal IETMS Interactive Electronic Technical

Manuals IEU Independent Economic Unit

(Employed Person) IF intermediate frequency IFAC International Federation of Automatic


IFB Invitation for Bid IFC Intelligence Fusion Center IFC International Finance Corporation IFF Identification Friend or Foe IFF if and only if IFIP International Federation for

Information Processing IFO Intermediate Fuel Oil IFQ Individual Fishing Quota IFR Instrument Flight Rules IFR Interim Final Rule IFRB International Frequency Registration

Board IFSMA International Federation of Ship

Masters Association IFTPA International Forest Product Transport

Association IG Inert Gas IG Inspector General IGC Intergovernmental Conference (EU) IGC International Code for the Construction

and Equipment of Ships Carrying Liquefied Gases in Bulk (IMO).

IGLD International Great Lakes Datum. IGO inter-governmental organisation IGS Inert Gas System IHB International Hydrographic Bureau IHMA International Harbour Masters'

Association IHO International Hydrographic

Organisation IHP Indicated Horsepower IICL Institute of Internatioanl Container

Lessors IIMS International Institute of Marine

Surveyors IIP International Ice Patrol IIR Intelligence Information Report IIW International Institute for Welding IJC International Joint Commission IL Identification List ILA International Law Association ILA International Longshoremen's

Association ILLC International Convention on Load

Lines ILO International Labor Organization

(Geneva) (UN)

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Maritime Acronyms and Abbreviations 32

ILS instrument landing system ILSM Integrated Logistics Support Manager ILSMT Integrated Logistics Support

Management Team ILSP Integrated Logistics Support Plan ILU Institute of London Underwriters ILWA International Longshoremen's and

Warehousemen's Union ILWU International Longshoremen's &

Warehousemen's Union IM Integrity Monitoring IMA Individual Mobilization Augmentation IMAGE International Mexican American

Association of Government Employees

IMarE Institute of Marine Engineers IMAT Incident Management Assist Team IMB Initial Medical Board IMB International Maritime Bureau

(Established by ICC to fight against fraud)

IMC Institute of Measurement and Control IMC instrument meteorological conditions IMCA International Maritime Contractors

Association IMDG Code International Maritime Dangerous

Goods Code IMEC International Maritime Employers'

Committee IMET International Military Education and

Training IMF International Monetary Fund IMIF International Maritime Industries

Forum IMIF International Maritime Industry Forum IMINT Imagery Intelligence IMISS International Maritime Information

Safety System IMLA International Maritime Lecturers

Association IMLI International Maritime Law Institute

(IMO) IMMARSAT International Maritime Satellite

Organisation IMMS Inventory Maintenance Management

System IMO International Maritime Organization

(London) (UN) IMOSAR IMO Search and Rescue Manual

IMPA International Marine Purchasing Association

IMPA International Maritime Pilots Association

IMPAC International Merchant Purchase Authorization Card

IMPT Integrating Matrix Project Team IMQR Institut maritime du Québec, Rimouski IMS Integrated Maintenance Standards IMSA Institute of Marine Safety Auditors IMU International Maritime Union (Latin

America) IN India (Flag) In indium in. inch, inches. in. lb inch pound in. or [.30] inch in./min inch per minute in./rev inches per revolution in./s inches per second in.2 square inches in.2/h square inch per hour in.2/min square inch per minute in.3 cubic inches in.3/h cubic inch per hour in.3/min cubic inch per minute INBD Inboard INCOTERMS International Commercial Terms INCSR International Narcotics Control

Strategy Report IND Indication INF Code International Code for the Safe

Carriage of Irradiated Nuclear Fuel, Plutonium and High-level Radioactive Wastes in Flasks on Board Ships

INFO Information INIEX Institut National des Industries

Extractives (Belgium) INLS-code International Noxious Liquid

Substances INM International Nautical Mile. INMARSAT International Maritime Convention on

Communication by Satellite (London). INS Immigration and Naturalization Service INS inertial navigation system INS Integrated Navigational Systems

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INSROP International Northern Sea Route Programme

INT Intermediate Survey or Interval int. interval. Int. Qk. Interrupted quick flashing. INTEL Intelligence IntelCoordCen Intelligence Coordination Center INTERCARGO International Association of Dry Cargo

Shipowners (London) INTERCO International Code of Signals INTERPOLE International Criminal Police

Organization Intertanko International Association of

Independent Tanker Owners (Oslo). INTSUM Intelligence Summary IO Ice Operations IO Investigating Officer IOA Independent Operational Assessment IOC Initial Operational Capability IOC Intergovernmental Oceanographic

Commission of UNESCO IOI International Ocean Institute IOL Initial Outfitting List IOLT Institute of Logistics and Transport ION Institute of Navigation. IOPC International Oil Pollution

Compensation Fund (See CLC) IOPP International Oil Pollution Prevention

Certificate IOR Indian Ocean Region IOT&E Independent Operational Test and

Evaluation IOTEA Independent Operational Test and

Evaluation Advisor IP initial position IP Institute of Petroleum IPB Illustrated Parts Breakdown IPCC Intergovernmental Panel on Climate

Change IPD Issue Priority Designator IPDE Integrated Product Data Environment IPG Issue Priority Group IPO Indoctrination Petty Officer IPPS Integrated Personnel and Payroll

System IPT Implementation Planning Team

IPTS International Practical Temperature Scale

ir infrared Ir iridium IR interference rejection. IR/UV Infrared/Ultraviolet IRAFS Ice Route Assistance Fee Structure IRIG Inter Range Instrumentation Group IRIS Incident Reporting Information System IRL Republic of Ireland (Flag) IRM Information Resources Management IRN Inspection release note IRN Iran (Flag) IRP image-retaining panel. IRQS Indian Register Quality Systems IRR Individual Ready Reserve IRS Indian Register of Shipping (Class

Society) IRT In Reference To IS Information System IS Intact Stability Code (IMO) IS Intrinsically Safe; inside; International

Standard ISA Instrument Society of America ISAR Inverse Synthetic Aperture Radar ISB In Situ Burn ISBN International standard book number

(ISO 2108) ISC Integrated Support Command ISD Instructional Systems

Design/Development ISDN Integrated Systems Digital Network ISDP integrated ship design and production ISEA In-Service Engineering Activity/Agent ISF Indian Seafarers' Federations ISF International Shipping Federation

(London) ISGOTT International Safety Guide for Oil

Tankers and Terminals ISI Initial Safety Inspection ISID International Ship Identification

Database ISIL Interim Support Items List ISIP International School for Inspectors of

Petroleum ISL Inactive Status List ISLW Indian spring low water.

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ISM Code International Safety Management Code (IMO).

ISMA International Ship Managers Association

ISMC International Ship Management Code ISO International Organisation for

Standardisation ISOA International Support Vessels Owners'

Association (London) ISP Information Strategy Planning ISP Information Systems Plan ISP International Standardized Profiles ISR Israel (Flag) ISS Instructional Systems Specialist ISS Interservice Supply Support ISSA International Ship Supplies

Association ISSN International standard serial number

(ISO 3297) ISSR Internal Supply support Request ISTEA Intermodal Surface Transportation

Efficiency Act ISTS Institute for Space and Terrestrial

Science ISTU Inter-Service Training Unit ISU International Salvage Union ISWG Intersessional Working Group IT Independent Tank IT Information Technology IT Instructor Training IT Italy (Flag) ITAE integral time absolute error ITB Integrated Tug Barge ITC Independent Tank, Center ITC International Tonnage Convention ITC International Trade Commission ITC International Transport Committee ITD International Training and Technical

Assistance Division ITF International Transport Workers'

Federation (London) ITI Industrial Technology Institute ITI Information Technology Industries

Council (formerly CBEMA) ITMRA Information Technology Management

Reform Act ITOF International Tankers Oil Pollution


ITOPF International Tanker Owner Pollution Federation Ltd. (London) (Manage TOVALOP)

ITOS International Tug of Opportunity System

ITRO Inter-Service Training Review Organization

ITS Integrated Technical Support ITS Intelligent Transport Systems ITS International Tanker Service ITU International Telecommunications

Union. ITU-R ITU Radiocommunication Sector (former

CCIR) ITU-T ITU Telecommunication Standardization

Sector (former CCITT) ITW Independent Tank, Wing ITX Independent Tank, Common IU If Used IUA International Underwiting Association IUCN World Conservation Union IUGG International Union of Geodesy and

Geophysics. IUHTAUTC If Used, Half Time Actually to Count IUMl International Union of Marine

Insurance IUT Instrument Under Test IV Initial Velocity IV Investigator IV&V Independent Verification and

Validation IVD integrated voice data LAN IWA International Wheat Agreement IWG Counternarcotics Interagency Working

Group IWL Institute Warranty Limits IWW Intracoastal Waterway.

J J irradiation correction (altitude). J joule J/cm2 joule per square centimetre JAOC Joint Air Operations Center JCET Joint/Combined Exercises for Training JCL job control language JCN Job Control Number

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Maritime Acronyms and Abbreviations 35

JCS Joint Chiefs of Staff JEEP Joint Emergency Evaluation Program JEIDA Japan Electronic Industry

Development Association JETRO Japan External Trade Organization JFTR Joint Federal Travel Regulation JIATF Joint Interagency Task Force JIG Joint Industry/Government Operation JIP Joint Industry Project JIS Japanese Industrial Standards JLC Joint Logistics Commanders JMCIS Joint Maritime Command Information

Exchange JMIE Joint Maritime Information Element JOMSCC Joint Operations/Marine Safety

Coordinating Council JONA Junior Officer Needs Assessment JOOD Junior Officer of the Day/Deck JOTFOC Justification For Other Than Full and

Open Competition JOTS Joint Operational Tactical System JOVIAL Jules' Own Version of International

Algorithmic Language JPN Japan (Flag) JPR Job Performance Qualifications JQR Job Qualification Requirement JR Jugoslav Register (Yugoslavian Class

Society) JRCC joint (aeronautical and maritime)

rescue co-ordination centre JROTC Junior Reserve Officer Training Corps JRR Joint Rating Review JRSC joint rescue sub-centre JSG Joint Steering Group JTA Job Task Analysis JTF Joint Task Force JU Jack-Up (MODU) JUMPS Joint Uniform Military Pay System JV Joint Venture

K K Kelvin; also ratio of specific heats;

Kilobyte Ka air spring rate (lb/in) KB Bernoulli coefficient kbit/s Thousand bits per second

Kc cavitation index kc kilocycles kcal kilocalorie KDP Key Decision Point KEYMAT Cryptological Keying Material kg kilogram kg/m3 kilograms per cubic metre kg/mm2 kilograms per square millimetre kg/mm3 kilograms per cubic millimetre kg/s kilograms per second Kh fluid force coefficient kHz kilohertz. kl kilolitre km kilometre km/s kilometre per second kn knot, knots. KO Contracting Officer KOR South Korea (Flag) kPa kilopasca KR Korean Register of Shipping

(classification society) Kr krypton KSAA Knowledge, Skills, Attitudes, and

Abilities ksi 1,000 pounds per square inch KSR Keyboard Send/Receive kt knot (nautical miles per hour) kt knot (nautical miles per hour) KTM Keel To Mast kV kilovolt kVA kilovolt ampere KVVD Kelvin Varney voltage divider KW Kilowatt kW kilowatt

L l difference of latitude; logarithm,

logarithmic, litre; length; search sub-area length

L latitude; lower limb correction for moon.

L.Fl. long flashing. L/C Letter Of Credit L/min litre per minute La lanthanum

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LAC Leadership Advisory Council LAFTA Latin American Free Trade

Association LAMP Large Amplitude Motions and Loads LAMPS Light Airborne Multipurpose LAMS Leadership and Management School LAN local apparent noon (nautical),local

area network LAN local apparent noon. LAN Local Area Network LANBY large automatic navigational buoy. LANT Atlantic LANTAREA Atlantic Area Lash lighter aboard ship LASH lighter aboard ship. LAT Latitude Lat latitute, local apparent time LAT Local Apparent Time lat. latitude. LATAM Latin America LAWS Legal Automated Workstation System LAWSDB Legal Automated Workstation System

Database lb pound lb/ft3 pound mass per cubic foot lb/gal pound mass per gallon lb/in3 pound mass per cubic inch LBAs land based activities LbE Loopback Enable signal (to MAU) LBP Length Between Perpendiculars LBR Liberian (Flag) LBS lifeboat stations LC Landing Craft LC Leadership Council LCA least-cost analysis LCA life cycle assessment LCAC Landing Craft Air Cushion LCB line of constant bearing LCB longitudinal centre of buoyancy LCC Life Cycle Cost LCCB Local Configuration Control Board LCCE Life Cycle Cost Estimate LCCM Life Cycle Cost Manager LCCS LORAN Consolidated Control System LCD liquid-crystal display

LCDR Lieutenant Commander LCF longitudinal centre of flotation LCI Little Cornwallis Island LCIE Laboratoire Central Des Industries

Electriques (France) LCL Less than Container Load LCP Legislative Change Proposal LCU local control unit LDC Leadership Development Center LDGINST Loading Instrument LDGMANUAL Loading Manual LDM Limited Distance Modem LDP Coast Guard's Leadership

Development Program LDRS Legal Document Research System LDT Light Displacement Ton LE Law Enforcement LEA Law Enforcement Agency LEAN Law Enforcement Asset Needs LED light emitting diode LEDET Law Enforcement Detachment LEDs Emitting Diodes LEI Leadership Effectiveness Inventory LEIS Law Enforcement Information System LEIS II Law Enforcement Information System LEL Lower Explosive Limit (Lower

Flammable Limit) LEM Logistics Element Manager LEM lower explosive mixture LEMAN Law Enforcement Manual LEOS Low Earth Orbiting Satellite LES land earth station LEV Level (LEVL) LF line feed LF Low Frequency LF summer fresh water load line (timber) LFL Lower Flammable Limit (Lower

Explosive Limit) LGC Liquefied Gas Carrier LHA Local Hour Angle LHG Liquefied Hazardous Gas LHW lower high water. LHWCA Longshore and Harbor Workers

Compensation Act LHWI lower high water interval. Li lithium

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Maritime Acronyms and Abbreviations 37

LIBOR London Interbank Offered Rate LIFDCs low-income food deficient countries LIFO last in, first out LIMS Laser Ionization Mass Spectrometer LIQD Liquid LIQDLEVL Liquid Level LISP list processing language LIST London Institute of Shipping and

Transport LIT Logic Integrity Test LK factor in sound prediction formula LKP last known position LL Loadline (International Convention on

Load Lines) LL lower limb. LLA Local Lighthouse Authority LLC Logical Link Control LLEI low level engineering interface LLHI low level human interface LLMC International Convention on Limitation

of Liability for Maritime Claims LLOI low level operator interface LLP Lloyd's of London Press LLW lower low water. LLWD lower low water datum. LLWI lower low water interval. lm lumen Lm middle latitude; mean latitude. LMI Logistics Management Institute LMP Logistics Master Plan LMR Living Marine Resources LMT Local Mean Time LNB Large Navigational Buoy LNG Liquefied Natural Gas LNM Local Notice to Mariners LO Learning Objective LO Lubricating Oil LO/LO Lift On/Lift Off LOA Length Over All LOB Line of Bearing LOC letter of credit,letter of compliance

(USCG) LOC Location LOEP List of Effective Pages LOF (95) Lloyd’s Open Form (of Salvage

Agreement) (1995)

LOF'90 Lloyd Open Form (Salvage at Sea) Log logarithm, logarithmic. Log10 common logarithm (to the base 10). Loge natural logarithm (to the base e). LOI Letter of Indemnity LOIS LORAN-C Operations Information

System LOL limitation of owner's liability, loss of life LONG Longitude Long. longitude. LOOP Louisiana Offshore Oil Port LOP Letter of Protest (See NOP) LOP Line of Position LOR letter of readiness LORA Level of Repair Analysis LORAN Long-Range Aid to Navigation Loran long-range aid to navigation LORAN-C A low frequency (LF) hyperbolic

radionavigation system based on measurements of the differences of times of arrival of signals using pulse and phase comparison techniques

LOS Law of the Sea LOS Line of Sight LOT Load On Top LOX liquid oxygen LP Learning Point LP Lesson Plan LP linear programming LP liquid petroleum LP Local Purchase LP Low Pressure Lp sound pressure level, dBA LPC London Processing Centre LPG Liquefied Petroleum Gas LPM lines per minute LPO Leading Petty Officer LPO Lesson Plan Outline Lpo sound pressure level at a point four

feet downstream of a valve and three feet from the pipe surface

LPOC Last Port of Call LPOF low pass output filter LPOP Listening Post/Observation Post LPTB Low Pressure Turbine LPV Low Profile Vessel

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Lr Lawrencium LR Lloyd's Register of Shipping (UK) LR1 (Large Range 1) Vessels 50,000-

79,999 DWT LR2 (Large Range 2) Vessels 80,000-

159,000 DWT LRA Long Range Aircraft LRC Longitudinal Redundancy Check LRF Limited Repair Facility LRFD Load and resistance factor design LRG long-range aircraft LRIP Low Rate Initial Production LRMP Long Range Maintenance Plan LRRAP Long Range Resource Allocation Plan LRS Long Range Surveillance/Search LRU Line Replaceable Unit LRV Long Range Vessel LSA Code International Life-Saving Appliances

Code LSA Lloyd's standard form of salvage

agreement LSA Logistic Support Analysis LSAP Link Service Access Point. See Sap LSAR Logistic Support Analysis

Record/Report LSB least significant bit LSB lower side band LSC Liberian Shipping Council LSD Least Significant Digit LSE Life Saving Equipment LSI large scale integration LSI Life-Saving Index (Coast Guard) LSOS Local Site Operating Set LSP Logistics Support Plan LST local sidereal time. LST local standard time LSU LORAN Support Unit LT Lieutenant LT Local Time LT Long Ton Lt Ho light house. Lt V light vessel. Lt. light. LTD light displacement tonnage, lost during

transhipment LTJG Lieutenant Junior Grade

LTM Long Ton/Miles LU Laid-Up Lu lutetium LUFS Large Unit Financial System LUT COSPAS-SARSAT Local User

Terminal LUT local user terminal LV Last Visit LVA Latvia (Flag) LVDT linear variable differential transformer LVRT linear variable reluctance transducer LW leeway LW Long Water LW low water. LW Lower LW winter load line (timber) LWD low water datum. LWI low water interval; mean low water

lunitidal interval. LWL length on water line , low water line LWOP Leave Without Pay LWQ tropic low water inequality. Lx factor in sound prediction formula Lx lux LYCN Laycan (Layday Canceling Date)

M m meridian (lower branch); meridional

difference; meter(s); U.S. survey mile, miles; end of other ship's true vector; minutes; area ratio.

M celestial body; meridian (upper branch); magnetic (direction); meridional parts; nautical mile, miles; other ship.

M&R Maintenance And Repair M(MN) Main M/F Made Fast m/min meters per minute M/T or MT Motor Tanker M/V or MV Motor Vessel (Diesel); Merchant

Vessel m2 square meter m3 cubic meter m3/h cubic meter per hour mA milliamperes (electrical)

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Maritime Acronyms and Abbreviations 39

MA Mission Analysis mA s milliampere second MAAP Military Affirmative Action Plan MAB Marine Advisory Board MAB Mishap Analysis Board MAC media access control mach machine mag. magnetic; magnitude. MAIB Marine Accident Investigation Branch MAIIF Marine Accident Investigators'

International Forum MAL Microcomputer Allowance List MAM Maintenance Assistance Module MAP Manufacturing Automation Protocol MAP Mediterranean Action Plan MAP Military Assistance Program MAP Mission Analysis and Planning tool set

of MISLE MAPP Major Acquisition Policies and

Procedures MAR Major Acquisition Review MAR Mission Analysis Report MARAD Maritime Administration (USA) MARB Major Acquisition Review Board MARB Marine Assistance Request Broadcast MARBS Marine Assistance Request

Broadcasts MARDEFCOM Marine Defense Commander MARDEZ Maritime Defense Zones MAREP Marine Reporting System MARGRAD Maritime Academy Graduate MARIENV International Conference on

Technologies for Marine Environment Preservation

MARIS Marine Information System Marisat maritime satellite system MARITECH Maritime Systems Technology

Program (U.S.) MarOpsSim Maritime Operations Simulation MARPAC Maritime Forces Pacific MARPLOT© Mapping Application for Response,

Planning, and Local Operation Tasks MARPOL International Convention for the

Prevention of Pollution from Ship (IMO).

MARRB Mission Analysis Report Review Board

MARTP Maritime Academy Reserve Training Program

MAS Mandatory Annual Survey (SOLAS, MARPOL)

MASER Microwave Amplification by the Stimulated Emission of Radiation

MASINT Measurement & Signatures Intelligence

MAT Maintenance Assistance Team MAT Maintenance Augmentation Team MAT Materials MATE Modular Automatic Test Equipment MAU Medium Attachment Unit, transceiver

(for wire media) MAWP Maximum allowable working pressure MAYDAY Distress Signal (Spoken Word) MB magnetic bearing. MB Main Bearing Mb megabyte MB Merchant Broker mb millibar(s). MBC Meteor Burst Corporation Mbit/s Million bits per second MBL Maritime Boundary Line MBM magnetic bubble memory MBS Multi Year Budget Strategy MC magnetic course. mc megacycle, megacycles; megacycles

per second. MC&G mapping, charting and geodesy. MCA Marine Coastguard Agency MCA multi-criteria analysis MCC COSPAS-SARSAT Mission Control

Centre MCC mission control centre MCC motor control center MCEB Military Communications Electronics

Board MCI Marine Casualty Investigation MCM Manual for Courts-Martial MCPA minutes to closest point of approach. MCR Material Condition Review MCRC Marine Casualty Response Center

(ABS Marine Services) MCRC/F Military Civil Rights

Counselors/Facilitators MCRL Master Cross-Reference List

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Maritime Acronyms and Abbreviations 40

MCT Marine Custody Transfer MCTM Marine Custody Transfer

Measurement MCTS Marine Communication and Traffic

Services Md mendelevium MDA Manufacturing Defects Analyzer MDF Master Data File MDL Management Data Letter MDO Marine Diesel Oil MDS Maintenance Data System MDS Medium Dependent Sublayer;

Megawatt Demand Setter MDSTF Maintenance Dredging Services

Tonnage Fee MDSU Mobile Diving and Salvage Unit MDT Maintenance Delay Time MDT Minimum design temperature MDZ Maritime Defense Zone ME Main Engine ME Marine Engineer(ing) MEA Maintenance Engineering Analysis MEA Mission Essential Applications MEA Working Group on Marine

Environmental Assessments of GESAMP

MEB Machinery Evaluation Board MEC Mechanical Equipment Calculator MEC Medium Endurance Cutter MECP Military Employment Capability Plan MED Marine Emergency Duties MED Mediterranean Region MEDEVAC Medical Evacuation MEHRA Marine Environmentally High Risk

Areas MEIC Most Easily Ignited Concentration MEIF Mandatory Excess Insurance Facility

(Norwegian, Swedish Greek proposal to solve the COFR problem)

MEO medium earth orbit (satellite configuration)

MEO Most Efficient Organization MEP Marine Environmental Protection MEPC Marine Environmental Protection

Committee (IMO) MEQ Marine Environmental Quality MER Marine Environmental Response

Mer. Pass. meridian passage. MERCOSUR South American Common Market MERPAC Merchant Marine Personnel Advisory

Committee MERSAR Merchant Ship Search and Rescue

Manual MES Marine Evacuation System MESG Maximum Experimental Safe Gap MF Medium Frequency MF Meter Factor MFAG Medical First Aid Guide MFCMA Magnuson-Stevens Fishery

Conservation and Management Act MFM modified frequency modulation MFN Most Favored Nation MFZ Main Fire Zone Mg magnesium MGN Marine Guidance Note MgO magnesium oxide MGO Marine Gas Oil MGR Manager MGRS military grid reference system. MGT Management MH magnetic heading. MHA Military Housing Area MHC Manhole Cover MHHW mean higher high water. MHHWL mean higher high water line. MHI Main Hawaiian Islands MHW mean high water. MHWI mean high water lunitidal interval. MHWL mean high water line. MHWN neap high water or high water neaps. MHWS mean high water springs. MHz Mega Hertz MI Marine Inspection and Investigation mi. mile, miles. MIC Maritime Interception Commander MIC Minimum Ignition Current MICR magnetic ink character recognition mid middle. MIDET Marine Inspection Detachment MIE Minimum Ignition Energy MILSATCOM Military Satellite Communications MILSBILLS Military Standard Billing System

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MILSCAP Military Standard Contract Administration Procedures

MILSPEC Military Specifications MILSTAMP Military Standard Transaction

Reporting and Movement Procedures MIL-STD Military Standard MILSTEP Military Standard Supply and

Transportation Evaluation Procedures MILSTICCS Military Standard Item Characteristics

Code Structure MILSTRAP Military Standard Transaction

Reporting and Accounting MILSTRIP Military Standard Requisitioning and

Issue Procedures MIMO multiple input multiple output control

system min minute(s) or minimum MIO Marine Inspection Office MIO Marine Interdiction Operations MIO Maritime Interception Operations MIP Maintenance Index Page MIPR Military Interdepartmental Purchase

Request mips million instructions per second MIR Management Information Reporting MIS Management Information System MIS Missing MISC Malaysian International Shipping

Corporation MISLE Marine Information for Safety and Law

Enforcement MIT Massachusetts Institute of Technology MITAP Message Interface, Transition, and

Automation Project MIUWU Mobile Inshore Undersea Warfare Unit MJM Military Justice Manual MK Machinery Technician ML Management Data List ML Marine Licensing mL millilitre MLAT Mutual Legal Assistance Treaty MLB Motor Life Boat MLC Maintenance and Logistics Command ML-C Management List - Consolidated MLCLANT Maintenance and Logistics Command

Atlantic MLCPAC Maintenance and Logistics Command


MLD Mariner Licensing and Documentation Program

MLD Merchant Marine Licensing and Documentation

MLDT Mean Logistics Delay Time MLE Maritime Law Enforcement MLEM Maritime Law Enforcement Manual MLES Maritime Law Enforcement School MLLW mean lower low water. MLLWL mean lower low water line. MLM International Convention On Maritime

Liens and Mortgages, 1993 MLW Mean Low Water MLWI mean low water lunitidal interval. MLWL mean low water line. MLWN neap low water or low water neaps. MLWS mean low water springs. mm millimeter (length) mm/m millimeters per linear meter mm/min millimeters per minute mm/rev millimeters per revolution mm/s millimeters per second mm2 square millimeters mm2/min square millimeters per minute mm2/s square millimeters per second mm3 cubic millimeters mm3/h cubic millimeters per hour mm3/min cubic millimeters per minute mm3/s cubic millimeters per second MMA Major Maintenance Availability MMA maximum minimum algorithm MMD Merchant Marines Document (USCG) MMDOC Merchant Mariner's Documentation

System MMFS Manufacturing Messaging Format

Standard MMLD Merchant Mariner's Licensing and

Documentation MMPA Marine Mammal Protection Act of

1972 MMS Mineral Management Service (USA). MMSI Maritime Mobile Selective Identity MMTN Merchant Marine Technical Notes Mn manganese Mn mean range of tide. MNI Member of The Nautical Institute

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MNOS metal nitride oxide semiconductor MNS Marine Navigation Services MNS Mission Needs Statement Mo molybdenum MO Month mo(s) month(s). Mo.(U) Morse Uniform (light). MOA Memorandum of Agreement MOB Man Overboard MOC Memorandum Of Consultation MOCS multiple output control system MODU Mobile Offshore Drilling Unit MODU Code Code for the Construction and

Equipment of Mobile Offshore Drilling Units

MOE Major Organizational Entity MOE Measure of Effectiveness mol wt molecular weight MOLCHOPT More Or Less Charterer's Option (see

MOLCO) MOLCO More Or Less Charterers’ Option (see

MOLCHOPT) MOLOO More Or Less Owners’ Option Mon monument. MOOTW Military Operations Other Than War MOP mobile offshore production MOPP Mission Oriented Protective Posture MOPU Mobile Offshore Production Unit MORE Minority Officer Recruiting Effort MOS metal oxide semiconductor MoS2 molybdenum sulfide MOSH Marine Occupational Safety and

Health MOT Motor MOTU Mobile Ordnance Technical Unit MOU Memorandum of Understanding (Port

State Control) MOU Mobile Offshore Unit MOV Material Obligation Validation MP Military Police MP&T Manpower, Personnel, and Training MPA Marine Protection Area MPA Maritime Patrol Aircraft MPA Maritime Propulsion Assistant MPAR Mission Performance Assessment


MPAs Marine Protected Areas MPC Maintenance Procedure Card MPEPO Marine Pollution Emergency Plans for

Oil MPG Miles Per Gallon mph miles per hour. MPI Mean Point of Impact MPIRS Marine Pollution Incident Reporting

System MPMS Manual of Petroleum Measurement

Standards (API) MPP most probable position. MPT Matrix Project Team MPU MicroProcessor Unit MRA Mutual Recognition Agreements MRB Medium Response Boat MRC Maintenance Requirement Card MRC Medium Range Cutter MRCC Maritime Rescue Co-ordination Centre MRD Marine Regulatory Directorate MRI mean rise interval. MRIL Master Reparable Item List MRM miles of relative movement. MRO Material Release Order MRP Master Reference Plane MRP Material Return Program MRP Materials Requirements Planning MRQ Maximum Release Quantity MRR Maritime Regulatory Reform MRRA Military Retirement Reform Act MRS Medium Range Surveillance/Search MRS Mobility Requirements Study MRSC Maritime Rescue Sub-Centre MRU mountain rescue unit MS Marine Safety MS Marshall Islands (Flag) ms millisecond(s). MSA Manufacturing survey arrangement MSAC Marine Safety Advisory Council MSAT Marine Safety Advisory Traffic MSB Maritime Subsidy Board MSB most significant bit MSC Marine Safety Center MSC Marine Safety Committee (IMO)

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MSC Maritime Safety Center (US Coast Guard)

MSC Military Sealift Command MSC Military Sealift Command. MSC/Circ. Maritime Safety Committee Circular MSD Marine Safety Detachment MSD Marine Sanitation Device MSD Material Support Date/Data MSD most significant digit MSDS Material Safety Data Sheet MSEP Marine Safety/Environmental

Protection MSF Marine Services Fee MSG Maintenance Support Guide MSG Message MSGID Message Identification MSHA Mine Safety and Health Administration MSI Maritime Safety Information MSI medium scale integration MSIS Marine Safety Information System MSL mean sea level. MSM Marine Safety Manual MSMB Monthly Summary of Military Billets MSMP Modeling and Simulation Master Plan MSN Marine Safety Network MSN merchant shipping notice 'M-

Notice',UK MSNAP Merchant Ship Naval Augmentation

Program MSO Maintenance Support Outline MSO Marine Safety Office MSODET Maintenance Safety Office

Detachment MSR Maintenance Support Requirement MSR Military Staffing Requirement MSRC Marine Spill Response Corporation MSRT Mean Supply Response Time MSS Manufacturers Standardization Society

of the Valves and Fittings Industry Inc. MSS Mobile Satellite Services MSSC Maintenance Software Support Center MST Marine Science Technician MST Mean Solar Time MSU Maintenance Support Unit MSU Mobile Support Unit MT Malta (Flag)

MT Meters MT Metric Ton MT Metric Tons MTBF Mean Time Between Failures MTBMF Mean Time Between Mission Failures MTC Maritime Transport Committee

(OECD) MTCC Multi-mission Transportable

Communications Center MTF Military Treatment Facility MTI moving target indication. MTIS Material Turned In To Store MTL Master Training List MTL mean tide level. MTMC Military Transportation Management

Command MTR Mandatory Turn-In Reparable MTR Module Test and Repair MTS Marine Transportation System MTSA Marine Trasportation Security Act MTSA Transport Satellite System, based on

GPS, developed by Japan MTT Mobile Training Team MTTF mean time to failure MTTR Mean Time to Repair MTW Major Theatre War MU Musician's Mate MUI Maritime Union of Indian Officers MUX multiplexer mV millivolt MVZ Main Vertical Zone MWL mean water level. MWLL mean water level line. MWP maximum working pressure MWR Moral, Welfare and Recreation MX Mexico (Flag) MZn magnetic azimuth.

N n natural (trigonometric function); power

law index N New; newton; nitrogen; north; nun. N m newton metre N.I. No Information n.mi. nautical mile(s).

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N/B New Building N2 nitrogen Na nadir. NA Non-Appropriated Fund NA Not Available/Applicable Na sodium NA&ME Naval Architecture and Marine

Engineering Na2SO4 sodium sulphate NAABSA Not Always Afloat But Safe Aground NAACP National Association for the

Advancement of Colored People NACE National Association of Corrosion

Engineers NaCl sodium chloride NaClO3 sodium chlorate NAD North American Datum. NAER Navigating Appliances and Equipment

Regulations NAFO Northwest Atlantic Fisheries

rganization NAFTA North American Free Trade

Agreement NAIP North Atlantic Ice Patrol NAK negative acknowledgment NALC Naval Ammunition Logistics Code NaNO3 sodium nitrate NaOH sodium hydroxide NAPIC National Action Plan for Injury Control NAPS Naval Academy Preparatory School NAPS Non-Appropriated-Fund Automated

Personnel System NAR Notice Of Ammunition Reclassification NARA National Archives and Records

Administration NAS National Academy of Science. NAS National Aerospace Standards; NAS Naval Air Station NASA National Aeronautics and Space

Administration NASCO Norwegian Asian Seafarers' Council NASP National Aerial Surveillance Program NATO North Atlantic Treaty Organization NAUTO nautophone. NAV Naval Vessel NAV Navigation

NAV Subcommittee on Safety of Navigation (IMO)

NAVAID Navigational Aid NAVAIR/ Naval Air Systems Command NAVAIRSYSCOM NAVCEN Navigation Center NAVGARD Navy-Coast Guard Board NAVIC Navigation and Inspection Circular

(U.S. Coast Guard) NAVINFONET Navigation Information Network. NAVORDCEN Naval Ordnance Center Inventory IMSD Management and Systems Division

(formerly SPCC) NAVSAT Navy Navigation Satellite System. NAVSEA Naval Sea System Command NAVSEA/ Naval Sea Systems Command NAVSEASYSCOM NAVSEA/ Naval Sea Supply Center, Atlantic. NAVSEASUPCENLANT NAVSEA/ Naval Sea Supply Center, Pacific. NAVSEASUPCENPAC NAVSHIP/ Naval Ships Systems Command. NAVSHIPSYSCOM NAVSSI navigation sensor system interface. NAVSUP/ Naval Supply Systems Command NAVSUPSYSCOM NAVTEX Direct-printing telegraphy system for

transmission of warnings and urgent information to ships

Nb columbium (niobium) NBDP Narrow Band Direct Printing NBI National Bridge Inventory NBS National Bureau of Standards (now

NIST) NBSAC National Boating Safety Advisory

Council NC National Coarse NC Non-Continuous Liner on Tailshaft NC Not Carried NCB National Cargo Bureau NCB National Codification Bureau NCBC National Codification Bureau Code NCC network control centre NCEA Non-Combat Expenditure Allocation NCIC National Crime Information Center NCMP Navy Capabilities and Mobilization

Plan NCO Non-Commissioned Officer

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NCOB no cargo on board NCP National Contingency Plan NCP National Oil and Hazardous

Substances Pollution Contingency Plan

NCS Network Co-ordinating Station NCW Naval Coast Warfare NDBC National Data Buoy Center NDCS National Drug Control Strategy NDE Normally de energised NDI Nautical Data International NDI Non-Developmental Item NDRF National Defense Reserve Fleet NDRS National Distress and Response

System NDRSM National Distress and Response

System Modernization NDS National Distress System NDT Non-destructive testing NE Normally energised NEC National Economic Council NEC National Electrical Code NECAD Naval Engineering CAD NECOS Net Control Station NECSA Navigational Electronic Chart System

Association NEHC Navy Environmental Health Center NEMA National Electrical Manufacturers

Association NEMCO Norges Elektriske Materiellkontrol

(Norway) NEMIS National Pollution Funds Center

Expert Management Information System

NEPA National Environmental Policy Act NEPIMS National Exercise Program Information

Management System NERO National Emergency Response

Operations NESS National Earth Satellite Service. NESU Naval Engineering Support Unit NE-TIMS Naval Engineering Technical

Information Management System NEXTEA National Economic Crossroads

Transportation Efficiency Act NF National Fine NFI National Fisheries Institute

NFIC National Foreign Intelligence Community

NFMP Navy Foreign Material Program NFPA National Fire Protection Association NFTZ non free trade zone NGB National Guard Bureau NGMTS Negotiating Group on Maritime

Transport NGO Non-Government Organizations NGVD National Geodetic Vertical Datum. NHS National Highway System NHSC National Home Study Council NHTSA National Highway Traffic Safety

Administration Ni nickel NI The Nautical Institute NIC Newly Industrialized Country NICET National Institute for Certification in

Engineering Technologies NICN Navy Item Control Number NIHQ Nautical Institute Headquarters,

London NII National Information Infrastructure NIIMS National Interagency Incident

Management System NIIN National Item Identification Number NIMIS NPFC Integrated Management

System NIOSH National Institute for Occupational

Safety and Health NIS Navigation Information Service NIS Newly Independent States NIS Norwegian International Ship Register NIS Not in Stock NIS Not Intrinsically Safe NISA National Invasive Species Act of 1996 NIST National Institute of Standards and

Technology (formerly NBS) NJP Non-Judicial Punishment NK, NKK. Nippon Kaiji Kyokai (classification

society) NL No Liner On Tailshaft NLD Netherlands (Flag) NLRB National Labor Relations Board NLS Noxious Liquid Substances NLT Not Later Than

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NLT not less than (used with danger bearing).

NM Nautical Mile(s) NM notice to mariners. NMC National Maritime Center NMC Nunavut Marine Council NMCS Not Mission Capable Supply NMD Norwegian Maritime Directorate NMDMP National Marine Debris Monitoring

Program NMEA National Marine Electronics

Association. NMEI National Maritime Enhancement

Institute NMFS National Marine Fisheries Service NMIC National Maritime Intelligence Center NMPPAC National Marine Pollution Prevention

Advisory Committee NMREC National Maritime Resource Center NMRR normal mode rejection ratio NMT not more than (used with danger

bearing). NMU National Maritime Union (USA) NNI Netherlands Standards Institution NNOA National Naval Officers' Association NNR national nature reserve NNS non nuclear safety NNSS Navy Navigation Satellite System. NOAA National Oceanic and Atmospheric

Administration NOAA National Oceanographic

Administrative Agency NOBOB No Ballast On Board NOFORN Not Releasable to Foreign Nationals NONCOND Non-Condensing NOP Notice of Protest (see LOP) NOR Norway (Flag) NOR notice of readiness NOR Notice of Revision NOR/N.O.R. Notice Of Readiness NORDKOMPASS Nordic Committee on Passenger

Ships NORDREG Northern Canada Traffic Regulation

System NOS National Ocean Service (Part of

NOAA) NOS Naval Ordnance Station

NOSAC National Offshore Safety Advisory Committee

NOSRO National Oil Spill Removal Organization

NOTAL Not to All NOTAM Notice to Airmen NOTMAR Notice To Mariners NOV Notice of Violation NOx Nitrogen Oxides NPD Norwegian Petroleum Directorate NPDES National Pollutant Discharge

Elimination System NPFC National Pollution Funds Center NPFMC Northern Pacific Fisheries

Management Council NPOC Next Port of Call NPR National Performance Review NPRM Notice of Proposed Rulemaking NPRN National Port Readiness Network NPS national pipe straight thread; also

nominal pipe size (diameter) NPSH net positive suction head NPT National Pipe Thread NPV Net Present Value NRC National Research Council NRC National Response Center NRC Nuclear Regulatory Commission NRDA Natural Resource Damage

Assessment (OPA 90) NRFI Not Ready For Issues NRML new relative movement line. NRT National Response Team NRT Net Register Tonnages NRZ non return to zero NS Navigation Safet NS Norwegian Standard (issued by

Norwegian Standards Association) NSA National Security Agency NSA Norwegian Shipowners Association NSBA Nova Scotia Boatbuilders Association NSC National Security Council NSC Near Shore Cutter NSCC/NI Nova Scotia Community College –

Nautical Institute NSCSA National Shipping Company of Saudi

Arabia NSE nth sequential algorithm

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NSF National Science Foundation NSF National Strike Force NSFCC National Strike Force Command

Center NSFCC National Strike Force Coordinator NSI National Shipbuilding Initiative NSIDN Navigation Systems Information

Dissemination Network NSN National Stock Number NSOAF North Sea Offshore Authority Forum NSP neurotoxic shellfish poisoning NSPPAWG National Ship-Source Pollution

Prevention Advisory Working Group NSR Northern Sea Route (Northeast

Passage - Japan/European Continent) NSR nuclear safety related NSRP National Shipbuilding Research

Program NSSPP National Ship Source Pollution

Prevention NSTM Naval Ships Technical Manual NSTT Navigation and Seamanship Training

Team NSU National Seafarers' Union (Sri Lanka) NSU Norwegian Seamen's Union NSV Net Standard Volume NSW Net Standard Weight NSWC Naval Surface Warfare Center NT net tonnage NT Net Tons NTC Norwegian Training Centre (Manila) NTCL Northern Transportation Company Ltd. NTCS-A Naval Tactical Command System

Afloat NTDS Naval Tactical Data System NTIS National Technical Information Service NTM Notice to Mariners NTP Naval Tactical Publication NTP normal temperature and pressure NTSB National Transportation Safety Board

(USA) NTU Non-Transportation Use NU Nations-unies NUMAST National Union of Marine Officers (UK) NUMAST National Union of Mrine, Aviation &

Shipping Transport Officers NUS National Union of Seamen (UK)

NUSI National Union of Seamen of India NUWES Naval Undersea Warfare Engineering

Station NVDC National Vessel Documentation

Center NVG night vision goggles NVIC Navigation and Vessel Inspection

Circular (USCG) NVOCC Non-Vessel Operating Common

Carrier NWG National Wire Gauge NWG Natural Work Group NWP Naval Warfare Publication NWPA Navigable Waters Protection Act NWPL Naval Warfare Publication Library NWS National Weather Service. NWS Naval Weapons Station NWSOCC Northwest Strategic Operations

Command Center NYME New York Mercantile Exchange NYPE New York Produce Exchange (Time

Charter Party) NYSA New York Shipping Association NYSMA New York Society of Maritime


O O oxygen O&M Operations and Maintenance O&S Operation and Support O/B on board O/B outboard O/S on-scene OA Office Automation OA&TP Objective Architecture and Transition

Plan OADR Originating Agency's Determination

Required OAPEC Organization of Arab Petroleum

Exporting Countries OASIS Operational and Shore Facilities

Information System OAV Operational Alignment Verification OAW Oxyacetylene Welding OB Oil-Lubricated Stern Bearing OBA Oxygen Breathing Apparatus

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OBC Officer Billet Code OBE operating basis earthquake OBO Ore/Bulk/Oil Carrier OBQ On-Board Quantity (before loading) OBS Office of Boating Safety Obs Spot Observation spot. Obsc obscured. Obstr obstruction. OC Oil-Lubricated Stern Bearing,

Continuous Liner on Tailshaft OC On Center Oc. occulting. Oc.(2) group occulting. Oc.(2+1) composite group occulting. OCC operations control centre Occas occasional. OCI Oceans Institute OCI Office of Collateral Interest OCIMF Oil Companies International Marine

Forum (London) OCMI Officer in Charge of Marine Inspection

(USCG) OCMP Officer Corps Management Plan OCONUS Outside Continental United States OCR optical character recognition OCS Officer Candidate School OCS Outer Continental Shelf OD Officer of the Day OD Ordnance Databook OD Ordnance Drawing OD outside diameter OD Overdose ODAS oceanographic data acquisition

systems. ODP Ocean Drilling Program ODS Operating Differential Subsidy ODSA Operating Differential Subsidy

Agreement OE Operating Expense OECD Organisation for Economic

Cooperation and Development OEM Original Equipment Manufacturer OER Officer Evaluation Report OET Office of Emergency Transportation OFAC Office of Foreign Assets Control OFCO Operating Facility Change Order

OGA Other Government Agency OHA Overseas Housing Allowance OHMTADS Oil and Hazardous Materials Technical

Assistance Data System OIC Officer-In-Charge OIG Office of Inspector General OILMAP Oil Spill Prediction Modelling System OIR Offense Investigation Report OIS Operational Information System OIT Conférence de l’organisation

internationale du travil OJT On-the-Job Training OLSP Operational Logistics Support Plan OLSS Operational Logistics Support

Summary OLTP On Line Transaction Processing OMB Office of Management and Budget OMBO One Man Bridge Operation OMEGA A very low frequency (VLF) hyperbolic

radionavigation system based on phase comparison techniques

OMPT Overarching Matrix Project Team OMS Office of Marine Safety OMT Operations Management Team ON1 Ocean Navigator Class 1 ON2 Ocean Navigator Class 2 ONI Office of Naval Intelligence ONR Office of Naval Research ONS Offshore Northern Seas Conference ONSC Omega Navigation System Center OO Owners Option OOC Out of Commission OOD Officer of the Deck/Day OOH Out of Hemisphere OOS Opportunities of Selection OOW officer of the watch OPA 1990 Oil Pollution Act of 1990 (USA) OPA Oil Pollution Act (USA) OPA 90 Oil Pollution Act of 1990 (USA) OPAREA Operational Area OPBO One Person Bridge Operation OPCEN Operations Center OPCON Operational Control OPD Operating Program Director OPDEC Operations Deception OPDS Offshore Petroleum Discharge System

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OPEC Organization of Petroleum Exporting Countries (Vienna)

OPEP Oil Pollution Emergency Plan OPFAC Operating Facility Code OPFAC Operational Facility OPGEN Operation General OPI Office of Primary Interest OPLAN Operation Plan OPM Office of Personnel Management OPM Operating Program Manager OPNAV Office of the Chief of Naval Operations OPNOTE Operational Note OPORDER Operations Order OPP Ontario Provincial Police OPPR Oil Pollution Preparedness and

Response OPPR Oil Pollution Prevention Regulations OPRC International Convention on Oil

Pollution Preparedness, Response and Co-operation (IMO)

OPREP Operational Report OPSEC Operational Security OPSMSN U S Operations Mission OPSUM Operational Summary OPTAR Operating Target OPTEMPO Operations Tempo OR Operational Readiness Or orange. ORD Operational Requirements Document ORD Ordnance ORDALT Ordnance Alteration ORL Open Rate List ORO Ore/Oil Carrier OS contour search OS operating system OS&Y outside screw and yoke OSC On-Scene Commander OSC On-Scene Co-ordinator OSC Operations Systems Center OSC2 On-Scene Command and Control

System OSE Open System Environment OSH Occupational Safety and Health OSH Open Shelter Deck OSHA Occupational Safety and Health Act

(or Administration)

OSI open system interconnection OSI Operating Space Items OSINT Open Source Intelligence OSIS Oil Spill Information System OSLTF Oil Spill Liability Trust Fund OSPAR Oslo and Paris Commission OSR Outstanding Recommendation Against

Class OSRO Oil Spill Removal Organization OSS Optical Sighting System OSSM On Scene Spill Model OST Office of the Secretary of

Transportation OSV Offshore Supply Vessel OT Oil Tight OT Operational Test OT&E Operational Test & Evaluation OTAD Over-The-Air-Key-Distribution OTBD Outboard OTC Officer in Tactical Command OTC Offshore Technology Conference OTCIXS Officer in Tactical Command

Information Exchange System OTM overtempered martensite OTO Operations Training Officer OTSR Optimum Track Ship Routing. OUPV Operator of Uninspected Passenger

Vessels OVBD Overboard OWS Owners oz ounce oz/ft2 ounces per square foot

P P atmospheric pressure; parallax;

planet; pole; pillar; departure; polar distance; phosphorous; also poise.

p pressure, psia P in A parallax in altitude. p stg c per steering compass. P&FD Piping and instrument diagrams P&I International Group of Protection and

Indemnity Associations P&ID piping and instrumentation drawing;

process and instrument drawing (diagram)

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P/C pleasure craft P/C pleasure craft P/I pneumatic to current coverter P/V Pressure Vacuum (Valve) P=V/C Productivity is Value Over Cost P1P Phase 1 Proposal Pa pascal PA plant air PA Port Aft PA position approximate. PA Public Affairs Specialist PAA Personnel Allowance Amendment PABX private automatic branch exchange PAC Pacific PAC Preaction Calibration PACAREA Pacific Area PACE Project Analysis and Cost Estimation PAD packet access device PAD Project Approval Document PAHH Pressure alarm high high PAHs polycyclic aromatic hydrocarbons PAJ Petroleum Association of Japan PAK Pakistan (Flag) PAL Personnel Allowance List PALT Procurement Acquisition Lead Time PAM pulse amplitude modulated PAM/FM frequency modulation of a carrier by

pulse amplitude modulated information PAM/FM/FM frequency modulation by frequency

modulated subcarriers by pulse PANAMAX A tanker of the maximum size capable

of transit of the Panama Canal (approx. 50,000-80,000 DWT) (breadth normally the limiting factor)

PASS Passenger PAT Preliminary Acceptance Trails PAT&E Production Acceptance Test and

Evaluation PAW plasma arc welding PAWSS Ports and Waterways Safety Systems PAX Passenger Vessel Pb lead PB Patrol Boat PBCI Product Baseline Configuration Index PBL Product Baseline

PBOS Planning Board for Ocean Shipping (Brussel) (NATO)

PBPM Planning, Budgeting, and Performance Management

PBW proportional bandwidth PBX Private Branch Exchange PC Part Cargo PC Period Charter PC personal computer PC personal correction PC Product certificate PC programmable controller Pc thermodynamic critical pressure, psia PCA Physical Configuration Audit PCA polar cap absorption. PCAF Preliminary Crew Assembly Facility PCB printed circuit board PCB’s Polychlorinated Biphenyls PCC Pure Car Carrier PCCMP Preliminary Cutter Class Maintenance

Plan PCCN President's Council on Counter

Narcotics PCD Pacific Coast District PCD polar cap disturbance. PCD Product Configuration Documentation PCGO Part Cargo PCI Product Configuration Identification PCI protocol control information PCIU process control interface unit PCLT Procurement Cycle Lead Team PCM pulse code modulation PCM Punched Cards Mechanized PCN Position Control Number PCO Privy Council Office PCO Procuring Contracting Officer PCO(J) Privy Council Office-Justice PCO/PXO Prospective Commanding

Officer/Prospective Executive Officer PCP potential point of collision. PCS Permanent Change of Station PCT Pollution Costing Template PCT Percent PCTC Pure Car Truck Carrier PCV Pressure Control Valve PCVs Polyvinyl Chlorides

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PD pitch diameter; also proportional derivative

PD Position Description (civilian) PD position doubtful. PD Presidential Directive PD Project Director PD2 plastically deformed debris PDD Presidential Decision Directive PDD Priority Delivery Date PDD programmable data distributor PDDS Personnel Data Decision System PDE Personnel Data Extract PDES Physical Disability Evaluation System PDM pulse duration modulation PDO Property Disposal Officer/Official PDP plasma discharge panel PDPR Per Day Pro-Rated PDR Personnel Data Records (military) PDR Preliminary Design Review PDR Project Deviation Report PDS Permanent Duty Station PDS Personnel Data System PDS Project Development Submittal PDU protocol data unit PE Peru (Flag) PE&E Peacetime Engagement and

Enlargement PEAG Proposal Evaluation and Analysis

Group PEIS Programatic Environmental Impact

Statement PEP Proposal Evaluation Procedures PERIS Port Emergency Response

Information System PERSGA Red Sea and Gulf of Aden

Environment Programme PERSRU Personnel Reporting Unit PERT Project Evaluation and Review

Technique PET Portable Electronic Thermometer PF Port Forward PFD Personal Flotation Device PFD Position Fixing Device PFD process flow diagram PFDMA PFD Manufacturers Association PFDs Personal Flotation Devices

PFU plaque forming units PG Persian Gulf (See AG) pgc per gyrocompass. PGE Permanent Group of Experts (In

Agreement on Subsidies and Countervailing Measures)

PGP Professional Growth Point Ph Physical PH&T Packaging, Handling and

Transportation PhE Physical layer Entity PhICI Physical layer Interface Control

Information PhID Physical layer Interface Data PhIDU Physical layer Interface Data Unit PHL Philippines (Flag) PhL Physical Layer PHOTINT Photographic Intelligence PhPCI Physical layer Protocol Control

Information PHPD Per Hatch Per Day PhPDU Physical layer Protocol Data Unit PhS Physical layer Service PHS Public Health Service PHS&T Packaging, Handling,

Storage/Stowage and Transportation PhSAP Physical layer Service Access Point PhSDU Physical layer Service Data Unit PI Port Inboard PI proportional integral PIA peripheral interface adaptor PIANC Permanent International Association of

Navigation Congresses PIAT Public Information Assist Team PIC Person In Charge PICA Primary Inventory Management

Activity PID proportional integral derivative PIE Partnership in Education PIIN Procurement Instrument Identification

Number PIM Position and Intended Movement PIMA Petroleum Industries Marine

Association (of Japan) PIO programmed input/output PIOPIC P and I Oil Pollution Indemnity Clause PIP peripheral interchange program

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PIQAT Process Implementation Quality Action Team

PISCES Pollution Incident Simulation, Control and Evaluation System

PIST Piston PIW Person in the Water PIW person in water pk peak pk-pk peak to peak PL Public Law PL/1 programming language/1 PLB personal locator beacon PLC programmable logic controller PLD programmable logic device. PLL phase-locked loop PLMR Protected Living Marine Resources PLS Position Location Systems PLT Production Lead Time PLTG Plating PM post meridian (after noon). PM Preventive Maintenance PM Project/Program Manager PM pulse modulation. PM or P/M powder metallurgy PMA Pacific Maritime Association PMA Private Messes, Afloat PMIS Personnel Management Information

System PMIS/JUMPS Personnel Management Information

System/Joint Uniform Military Pay System

PMO Project/Program Management Office PMP Project Management Plan PMR Periodic Maintenance Requirement PMS planned maintenance system PMS Preventive PMT photomultiplier tube PMTC Pacific Marine Training Campus PMU Portable Measurement Unit Pn north pole; north celestial pole. PN Panama (Flag) PO Petty Officer PO Polar Operations PO Purchase Order POA&M Plan of Action and Milestones POAP Petty Officer Assignment Policy

POB Persons on Board POB Pilot on Board POC Point of Contact POC probability of containment POD Probability of Detection POE Port of Embarkation POE Port of Entry POE Projected Operational Environment POEA Philippine Overseas Employment

Administration POISE Port Operations Information for Safety

and Efficiency POL Poland (Flag) POL problem oriented language POM Planned Operations Memorandum POP Planned Obligation

Process/Program/Project POPs persistent organic pollutants POR Pacific Ocean Region PORD Preliminary Operational Requirements

Document pos positive POS probability of success POS/NAV DOT Positioning/Navigation Executive

Committee POSc cumulative probability of success POSH Port Out Starboard Home POSH Prevention of Sexual Harassment POV Privately Owned Vehicles PP Performance Plan PP Port Prefix (For Survey Report

Number) PP&M Packing, Preservation and Marking PPA Personal Property Accountability PPA Program, Projects, and Activities ppb parts per billion PPBES Planning, Programming, Budgeting

and Evaluation System PPC predicted propagation correction. PPD pour point depressant PPDB point positioning data base. PPE Personal Protective Equipment PPEP Pre-Commissioning Program for

Enlisted Personnel PPI Plan Position Indicator PPI plan position indicator.

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PPI programmed peripheral interface PPL Provisioning Parts List ppm parts per million (1/106) PPO Pollution Prevention Officer PPRB Planning Proposal Review Board PPS Post-Production Support PPS Propulsion Plant Simulator PPV Public Private Venture PQS Personnel Qualification Standard PQT/OT Product Qualification Test/Operational

Test PR (See PRS) PR Procurement Request PRA Primary Review Authority PRANG Puerto Rico Air National Guard PRC Peoples Republic of China PRC People's Republic of China PREIS Performance and Results Executive

Information System PREP National Preparedness for Response

Exercise Program PRES Pressure PRF Pulse Repetition Frequency PRF pulse repetition frequency. PRI Pulse Repetition Interval PRIDE Parents Resource Institute for Drug

Education Priv private; privately. PRO Project Resident Office PROHIB prohibited. PROM Programmable Read Only Memory PROP Propeller PROV Provisional PRP Potentially Responsible Party PRR Production Readiness Review PRR Pulse Repetition Rate PRRA participatory rapid rural appraisal PRS Performance Requirements Summary PRS Polish Register (Class Society) PRS Polish Register of Shipping PRU parachute rescue unit PS parallel sweep search PS Port Securityman Ps south pole; south celestial pole. PSAs Public Service Announcements

psc per standard compass. PSC Port State Control PSCS Port State Control Survey PSD power spectral density PSD Process shutdown PSI Port State Initiative (U.S. Coast

Guard) PSI Pounds Per Square Inch psia pounds per square inch, absolute psig pounds per square inch, gage PSIX Port State Information Exchange PSK phase shift keying PSP paralytic shellfish poisoning PSRC Presidential Selective Reserve Call-Up PSS packet switching system PSS Port Safety and Security PSTFS Pollution Spill Trajectory Forecast

Service PSTs persistent toxic substances PSU Pakistan Seamen 's Union PSU Polish Seafarers' Union PSU Port Security Unit PSU Portable Sampling Unit PSV Pressure safety (or relief) valve PSV Platform Supply Vessel PSWBS Project Summary Work Breakdown

Structure pt part PTB Physikalisch-Technische

Bundesanstalt (Germany) PTC Performance Technology Center PTD Provisioning Technical

Data/Documentation PTP Part Time Position PTP Prevention Through People PTP Project Termination Plan PTR paper tape reader PTSA Port and Tanker Safety Act Pub. publication. PUF Passenger User Fee PV pressure/vacuum,prime vertical PV prime vertical. PV process variable PVA Passenger Vessel Association PVC Polyvinyl Chloride PVO Passenger Vessel Operator

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PW Pulse Width PWC Personal Watercraft PWHT Post weld heat treatment PWR pressurized water reactor PWS Performance Work Statement PWS Prince William Sound PWSA Ports and Waterways Safety Act of

1972 PWWD Per Weather Working Day PY Promotion Year Pyl pylon.

Q q volumetric flow rate Q polaris correction; quick flashing. Q&A Questions and Answers Q(3) group quick flashing (3 flashes). Q(6)+L.Fl. group quick flashing (6 flashes) plus a

long flash. QA Quality Assurance QAMP Quality Assurance Management Plan QAT Qatar (Flag) QAT Quality Action Team QAWTD Quick Acting Watertight Door QAWTES Quick Acting Watertight Escape

Scuttle QAWTH Quick Acting Watertight Hatch QAWTS Quick Acting Watertight Scuttle QCB queue control block QCG Quadrennial Cargo Gear Survey QD Quadruple Screw QDR Quality Deficiency Report QEC Quick Engine Change QHM Queen’s Harbour Master QI Qualified Individual (OPA 90) QM Quality Management QM Quartermaster QMB Quality Management Board QMED Qualified Members of Engine

Department QML Qualified Manufacturers List QN Quintuple Screw QPC Quality Performance Consultant QPL Qualified Products List QPR Qualified Personnel Required

QQ' celestial equator. QRMC Quadrennial Review of Military

Compensation QSARs qualitative structure-activity

relationships QSCS Quality System Certification System QSI Quality Step Increase QSS Quality Standards System QTP Quarterly Training Plan QTR Quarter QTR Quarterly Training Record

R r end of own ship's true vector: radius R Fix running fix; mast radio mast;

rankin; gas content, consistent with units; rankine (temperature); refraction; own ship; red; rocky; coast radio station; search radius (actual)

R Bn radiobeacon. R&D Research And Development R&DC Research and Development Center R&M Reliability and Maintainability RA Radio Navigation Aids RA Requirements Analysis RA Resident Agent RA right ascension. RA,B or C Rockwell hardness; A, B or C scales RAC Regional Advisory Council RACON radar transponder beacon. rad radian(s). RAD Redistribution Stop Date radar radar detection and ranging RADHAZ Radiation Hazard RADM Rear Admiral RADMIS Research and Development

Management Information System RAM Radio Active Material RAM random access memory RAM Regulatory Assessment Methodology RAM Reliability, Availability, and

Maintainability RANP regional air navigation plan RAP Remedial Action Program RAP Remedial Action Projects RAS Remote Access Software

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RAS Radio Advisory Service (UK) RATT Radio Teletype RB relative bearing. RB rescue boat RB Rubber Stern Bearing RBAC Recreational Boating Advisory Council RBOC Rapid Bloom Of f -Board Chaff RBS Recreational Boating Safety RBS Requirements Based Sparing RBS Rutherford backscattering

spectroscopy RC Regional Committees RC river current RC Rubber Stern Bearing, Continuous

Liner on Tailshaft RCAC Regional Citizens Advisory Council RCC Rescue Co-ordination Centre RCDS Raster Chart Display Systems RCE Regional Coordination Element -

Immigration and Naturalization Service RCM Reliability Centered Maintenance RCMP Royal Canadian Mounted Police RCP Resource/Requirements Change

Proposal RCPB reactor coolant pressure boundary RCRA Resource Conservation and Recovery

Act RCTL resistor capacitor transistor logic RCVR Receiver(s) RD Radarman RD&TM Research, Development and

Technology Management RDD Required Delivery Date RDF Radio Direction Finder RDF Receive Data and Framing signal

(from DCE) RDM Reglementation de la Marine RDO Regular Day Off RDT&E Research, Development, Test, and

Evaluation RE Regulatory Evaluation Re Reynolds number reducers REC Regional Examination Center REEFER Refrigerated Cargo Ship or Container Ref reference REF Refrigeration

REFTRA Refresher Training REM roentgen equivalent man REMS Remote Electronic Monitoring

Systems RENC Regional Electronic Navigational Chart

Co-Ordinating Centre REP Reporting System REP Representative REP roentgen equivalent physical Rep. reported. RER Rescue and Environmental Response Res. Resolution RETCO Regional Emergency Transportation

Coordinator RETREP Regional Emergency Transportation

Representative REV Reversing Rev value Reynolds number rev. reversed. REVRPT Revised Report RF (rf) Radio Frequency RF range finder RFD Request for Deviation RFG Reformulated Gasoline (Clean Air Act) RFI radio frequency interference RFI Ready for Issue RFP Request For Proposal RFPB Reserve Forces Policy Board RFW Request for Waiver RGA relative gain array RH right hand thread RHI Rigid Hull Inflatable RHIB Rigid Hull Inflatable Boat Rhm roentgens per hour at one metre RI Registro Italiano (Italian Class Society)

(See RINA) RIA Resource Impact Assessment RIAS Regulatory Impact Analysis Statement RIC Radio Information Circular RIF Reduction in Force (civilian) RIG SAFEARM Recognition Identification Guide to

Ship Associated Flags, Ensigns, and Aircraft Rondel Markings

RIIS The Research Institute of Industrial Safety of the Ministry of Labour (Japan)

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RINA Registro Italiano Navale (Italian Class Society)

RINA Royal Institute of Naval Architects RIP real time interrupt process RIU Riverine Interdiction Unit RJTS Regional Jungle Training School rk rock, rocky. RLG ring laser gyro. rm relative DRM-SRM vector. RM Room RMA Reliability, Maintainability, Availability RMAC Regional Marine Advisory Council RML Relative Movement Line RMP Risk Management Plan RMS, rms. root mean square. RMT National Union of Rail, Maritime And

Transport Workers RN Radio Navigation RN Rubber Stern Bearing, Non-

Continuous Liner on Tailshaft RNC Raster Navigational Chart RNR Rumanian Register (Class Society) RNRZ randomized non return to zero Ro optimal search radius RO read only RO Rumania (Flag) ROB Remaining on Board ROC Regional Operations Center ROC Restricted Operator Certificates ROD Report of Discrepancy ROE Rules of Engagement ROM Read Only Memory ROM Rough Order of Magnitude ROMIS Real Time Outfitting Management

Information System ROPME Regional Organisation for the

Protection of the Marine Environment (in the region covered by the Kuwait Convention)

RoRo, Ro-Ro, Roll On/Roll Off RORO ROS Reduced Operational Status ROs Response Organizations ROTC Reserve Officers' Training Corps ROTHR Relocatable Over the Horizon Radar ROV Remote Operated Vehicle

RP Recommended practice RP Reference Point RP Resource Program/Proposals RP Responsibility Party RP Rinave Portuguesa (Portuguese Class

Society) RPA Reserve Program Administrator RPAL Reserve Personnel Allowance List RPAs regional programmes of action (of

GPA/LBA) RPB Remotely Piloted Vehicle RPI Roller Path Inclination RPM Revolutions Per Minute rpm revolutions per minute RPR Repairs rps revolutions per second RPT Report RPU remote processing unit RQ Reportable Quantities RR (See RNR) RR Radio Regulations RRA rapid rural appraisal RRBAC Regional Recreational Boating

Advisory Committee RRF Ready Reserve Force RRI Response Resources Inventory RRO Restricted Radiotelephone Operator’s RRS Russian Register of Shipping (Class

Society) RRT Regional Response Team RRTC Regional Riverine Training Center RS Russia (Flag) RS Russian Maritime Register of Shipping

(classification society) RSA Regional Strategic Assessment RSA Reserve Special Agent RSC rescue sub-centre RSD Ready Stock Depot RSD Required Support Dates RSL Reparable Item Support List RSO Regional Safety Officer RSPA Research and Special Programs

Administration RSS Eastern Caribbean Regional Security

System (7 countries) RSS Radio Standards Specifications

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RSS Ready Service Spares RSS root sum square. RT Reserve Training RT Revenue Ton RT (R/T) radio telegraph, telegraphy, telephone RTAT Repari Turn Around Time RTB Reserve Transition Benefit RTC Reserve Training Center RTCM Radio Technical Commission for

Maritime Services RTD resistance temperature detector RTG radio telegraphy RTL real time language; also resistor

transistor logic RTS Request To Send signal (to DCE) RV rescue vessel RVP Reid Vapor Pressure RW Relative Wind RX Receiver RxA Receive Activity signal (from DCE) RxC Receive Clock signal (from DCE) RxS Receive Signal (from MAU) RZn relative azimuth.

S s second(s). S SAC special area of conservation;

sea-air temperature difference correction; slow; south; set; speed; sand; track spacing.

S&W Sediment & Water (formerly BS&W) s/cm2 second per square centimetre S/D synchro to digital converter S/N signal to noise S/S steam ship S/V sailing vessel SA Shipyard Agreement SA South America SA Special Agent SA Starboard Aft SAA Standards Association of Australia SAB Support Allowance Billet SABS South African Bureau of Standards

(South Africa) SAC Streamline Analysis of Currents

SACA System Alignment and Calibration Appraisal

SACC Single Agency Cooperative Charting SADT Special Active Duty for Training SAE Society of Automotive Engineers SAFCON International Cargo Ship Safety

Construction Certificate SAFPAS International Passenger Ship Safety

Certificate SAFRAD International Cargo Ship Safety Radio

Certificate SAG Senior Advisory Group SAG Surface Action Group SAIL Systems to automate and Integrate

Logistics SALM Single Anchor Leg Mooring Sam surface to air missile SAM system area monitor. SAM Systems Acquisition Manual SAMA Scientific Apparatus Makers

Association SANSS Structure and Nomenclature Search

System SAP service access point SAR Convention International Convention

on Maritime Search and Rescue, 1979 SAR Search and Rescue. SAR SHIPALT Record SARA Superfund Amendments and

Reauthorization Act SARDET Search and Rescue Detachment SARF Small Arms Repair Facility SARIS Search and Rescue Information

System SARMIS Search and Rescue Management

Information System SARPS Standards and Recommended

Practices developed by ICAO SARSAT Search and Rescue Satellite Aided

Tracking SARSIM Search and Rescue Simulation Model SART search and rescue radar transponder SAS Annual Special Survey of Hull SAS safety at sea SAS South Asian Seas Region SAT Systems Approach to Training SATCOM Satellite Communications

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SATE Security Awareness, Training and Education

SATNAV Satellite Navigation SATPM Saturday P.M. SAU Saudi Arabia (Flag) SAU Search Attack Unit SAW surface acoustic wave Sb antimony SB Safe Berth SBA Small Business Administration SBD Silent But Deadly SBD System-Based Design SBM Single Buoy Mooring SBP Ship Base Plane SBT Segragated Ballast Tanks SBU Sensitive But Unclassified SC High Speed Craft SC SAR co-ordinator SC sea current SC Search and Rescue Coordinator SC Standing Committee SCA Stock Control Activity SCA Suez Canal Authority SCAA/APICOM Spill Control Association of

America/Association of Petroleum Institute Cooperation Managers

SCAAIN Standardized Conventional Ammunition Automated Inventory Record

SCAC Standard Carrier Alpha Code SCADA supervisory control and data

acquisition SCAMP Shipboard Computer-Aided

Maintenance Program SCANTS Ship Control and Navigation Training

System SCB Supply Center Baltimore SCBA Self-Contained Breathing Apparatus SCC SAR co-ordinating committee SCCB Supply Center Curtis Bay SCCM Standing Committee on Construction

and Machinery SCCR Supply Center Computer Replacement SCCS Shipboard Command and Control

System SCE Standing Committee on the


SCFH standard cubic feet per hour (flow) SCFM standard cubic feet per minute SCLSIS Ship Configuration and Logistics

Support Information System SCM Stern To Manifold (Distance) SCM Summary Court-Martial SCN Specification Change Notice SCOF Standing Committee on Fisheries S-COMMISSION Komisija Za Ispitivanje S-Vredaja SCOP Standing Committee on Personnel SCOPIC Special Compensation P&I Clause SCOT Standing Committee on Transport SCR silicon controlled rectifier SCR Special Casualty Representative (P&I) SCRS Croatian Register of Shipping (Class

Society) SCs Standing Committees SCS supervisory control system SCSSSV Surface controlled sub surface safety

valve SCVNG Scavenging SD semidiameter; sounding doubtful. SD Single Decker SDAP Special Duty Assignment Pay SDD Standard Delivery Date SDIF Standard Data Interface Format SDL Standard Distribution List SDLC synchronous data link control SDP search and rescue data provider SDR Special Drawing Rights SDR Supply Demand Review SDR Systems Acquisition Review SDTE Suspected Drug Trafficking Entity SDU service data unit SDW summer dead weight SDWT Summer Deadweight SE Support Equipment SE Systems Engineering SE/PCF South-East Pacific Region SEA South East Asia SEACEN Naval Sea Logistics Center SEAP Senior Enlisted Assignment Policy SEAS Simplified Engineering Analysis

System SEATO South East Asia Treaty Organization

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SEB Source Evaluation Board SEBS Single-Ended Boiler Survey sec secant. sec. second, seconds. SECAS Ship Equipment Configuration

Accounting System SEER Summary of Enforcement Events

Report SEH Safety and Environmental Health SEL Selected Equipment List SELFD Self Discharging SELRES Selected Reserve SEMCIP Shipboard Electromagnetic

Compatibility Improvement Program SEMI Semi-Submersible (MODU) semidur. semiduration. SEMP Systems Engineering Management

Plan Semper Paratus Always Ready SEN Simulated Electronic Navigation SENC System Electronic Navigational Chart SEP Student Externship Program SEPRATS Separate Rations SERB Selective Early Retirement Board SERIS Sea Empress Response Information

System SERV Service SES satellite earth station,Seafarers'

Education Service SES Senior Executive Service (civilian) SES ship earth station. SESEF Shipboard Electronics Systems

Evaluation Facility SESSOCC South East Strategic Operations

Command Center SEV Schweizerischer Elektrotechnischer

Verein (Switzerland) SF Secondary Phase Factor. SF Shore Facilities SF Starboard Forward SF Stowage Factor SFCAM Shore Facility Capital Asset

Management SFDL Shore Facility Divestiture List sfm surface feet per minute SFMIS Shore Facility Management

Information System

SFMP Shore Facility Master Plan SFPDM Shore Facilities Project Development

Manual SFRL Shore Facility Requirements List SFVIR Small Fishing Vessel Inspection

Regulations SG Specific gravity SG Steam Generator SGML Standardized General Markup

Language SH ship's head (heading). SH Superheater SHA Sidereal Hour Angle SHC Shipping Coordination Committee SHEBA Surface Heat Budget of the Arctic SHEX Sundays and Holidays Excluded SHF Super High Frequency SHINC Sundays and Holidays Included SHIPALT Ship Alteration SHP Sexual Harassment Prevention SHPO State Historical Preservation Office SI International System of Units Si silicon SI Starboard Inboard SI Systeme Internationale d'Unites SICA Secondary Inventory Management

Activity SID Ship Inspection Directorate SID sudden ionospheric disturbance. SIGINT Signals Intelligence SIGTTO Society of International Gas Tanker

and Terminal Operators SIM Selected Item Management SIMA Shore Intermediate Maintenance

Activity SIMAP The Oil and Chemical Spill Impact and

Assessment Model System SIMS secondary ion mass spectrometry sin sine. SINS Ship's Inertial Navigation System SIO Senior Investigative Officer SiO2 silicon dioxide SIP Streamlined Inspection Program SIRE Ship Inspection Report Programme Sire ship's inspection report:a database

system of the OCIMF

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SIRMP Strategic Information Resources Management Plan

SIS Spatial Information Systems SIS Special Intermediate Survey SIT Spontaneous Ignition Temperature SITOR Simplex Teletype Over Radio SITREP Situation Report SIU Seafarers' International Union (USA) SIV Special Interest Vessel SK Storekeeper SL Bale (Capacity) SLAR Side-Looking Airborne Radar SLC Cargo Ship Safety Construction

Certificate SLD sea level datum. SLE Safety Equipment Certificate SLEP Service Life Extension Program SLF Subcommittee on Stability Loadlines

and Fishing Vessel Safety (IMO) SlGTTO Society of International Gas Tanker

and Terminal Operators Limited SLOC Sea Lines of Communication SLP Passenger Ship Safety Certificate SLR Cargo Ship Safety Radio

Telegraphy/Telephony Certificate SLSA St. Lawrence Seaway Authority SLSDC Saint Lawrence Seaway Development

Corporation SLTG Shoulder Line-Throwing Gun SM&R Source, Maintenance and

Recoverability SMA Society of Maritime Arbitrators SMarT Support for Maritime Training scheme

(UK) SMAW shielded metal arc welding SMC Safety Management Certificate (IMO) SMC search and rescue mission co-

ordinator SMCP Standard Marine Communication

Phrase SMD surface mounted device SME Society of Manufacturing Engineers SMEF Systems Management Engineering

Facility SMG speed made good. SMGC Supply Management Grouping Code

SMGD Supply Management Grouping Designator

SML Small SMPEP Shipboard Marine Pollution

Emergency Plan SMR Safe Manning Regulations SMRE Safety in Mines Research

Establishment (UK) SMRT single message unit rate timing SMS Safety Management Manual SMS Safety Management System (ISM) SMS Subject Matter Specialist SMT Senior Management Team SMT surface mount technology SMTJ Special Maritime and Territorial

Jurisdiction SN Serial Number Sn tin SN/Circ. Safety of Navigation Circular SNAFU Situation Normal, All Fouled Up SNAME Society of Naval Architects and Marine

Engineers SNAP sub network access protocol SNC Survey Not Complete SNK Sunk SNO Statement of No Objection SNPRM Supplemental Notice of Proposed

Rulemaking SNR signal-to-noise ratio. SNSL Stock Number Sequence List SNTA Suspected Narcotics Trafficking

Aircraft SNTV Suspected Narcotics Trafficking

Vessel SNUBA Surface Nexus Underwater Breathing

Apparatus SNW Safe Navigation and Watchkeeping SOA speed of advance. SOC Shipper Owned Container SOC Society SOCRATES Shoreline Oil Clean up Recovery and

Treatment Evaluation System SODES St. Lawrence Economic Development

Council SOF Statement of Facts SOG speed over ground. SOH start of header

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SOLAS International Convention for the Safety of Life at Sea, 1972 (IMO)

SONS Spills of National Significance SOP Standard Operating Procedure SOP System Operating Program SOPA Senior Officer Present Afloat SOPEP Safety Oil Pollution Emergency Plan SOPEP Ship Oil Pollution Emergency Plan SOPEP Shipboard Oil Pollution Emergency

Plan SOPF Ship-source Oil Pollution Fund SORTS Status of Resources and Training

System SOS Morse Code Distress Signal (…---…) SOS Source of Supply SOSREP Secretary of State's Representative for

Marine salvage and Intervention SOSUS Sound Surveillance System SOTO Supervisor Oil Transfer Operations SOV Special Operations Vessel SOW Statement of Work SOx Sulphur oxides SP Safe Port SP Selection Plan SP spire; spherical. SP standards and practices sp ht specific heat SP MAT Special Material SPA special protection area SPA sudden phase anomaly. SPBO Spare Parts Breakout SPC Self-Polishing Copolymer (Anti-Fouling

Compound) SPC Standard Personnel Costs SPCC Ships Parts Control Center SPCM Special Court-Martial SPD Support Program Director SPEAR Strategize, Publish, Engage, Act,

Review SPEARS Spill Planning, Exercise, and

Response System SPEC Specification SPECWAR Special Warfare SPERTERL Ship Portable Electrical/Electronic

Test Equipment Requirement List SPI Ship-Port Interface

SPI ship-port interface, IMO SPL sound pressure level SPM Agreement on Sanitary and

Phytosanitary Measures SPM Single Point Mooring SPM Support Program Manager SPM suspended particulate matter SPOC search and rescue point of contact SPOE Sea Port of Embarkation SPPBEE Strategic Planning, Business and

Capital Planning, Programming, Budgeting, Budget Execution, and Evaluation

SPR Strategic Petroleum Reserve SPREP South Pacific Regional Environment

Programme SPS System Performance Specification SPTD Supplementary Provisioning Technical

Documentation sq ft square feet SQC Statistical Quality Control sr steradian SRA Ship Repair Agreement SRA Short Range Aids to Navigation SRA Short Range Aircraft SRAM Static Random Access Memory SRB Selective Reenlistment Board SRBL Signing and Releasing Bill of Lading SRBOC Super Rapid Bloom Off-Board Chaff SRC Short Range Cutter SRD Sponsor's Requirement Document SRF side relief angle SRG short-range aircraft SRI Storeroom Items SRIS Ship Registry Information System SRM Speed of Relative Movement SROE Standing Rules of Engagement SRR search and rescue region SRR System Requirements Review SRS search and rescue sub-region SRU Search and Rescue Unit SRU Surface Resource Unit SRV Short Range Vessel SS expanding square search SS Ship Safety SS signal station.

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SS Special Survey SS Steam Ship SS Subsistence Specialist SS suspended solids SSA Senior Special Agent SSA Social Security Administration SSA Special Periodical Survey of

Automated Control System SSAMPS Standard Semi-Automatic Message

Processing System SSB Single Side Band SSB Special Separation Benefit (military) SSBs Ship Safety Bulletins SSC Sea Coasts of Canada SSC Ship Structure Committee SSC Small Scale Contingencies SSDG Ship's Service Diesel Generator SSG Special Safeguard (In Agreement on

Agriculture) SSH Special Periodical Survey of Hull SSHEX Saturdays, Sundays, Holidays

Excluded SSHINC Saturdays, Sundays, Holidays

Included SSIC Standard Subject Identification Code SSIGS Special Periodical Survey of Inert Gas

System SSM Special Periodical Survey of

Machinery SSMR Shore Station Maintenance Request SSN Social Security Number SSO Source Selection Official SSO Special Security Officer SSR Software Specification Review SSR Supply Support Request SSR Surface-Search Radar SSRR Ship Station Radio Regulations SST simultaneous self-test SSTDP Sealift Ship Technology Development

Program SSTG Ship's Service Turbo Generator SSTR Ship Station Technical Regulations SSU seconds Saybolt universal SSU Special Service Unit ST Special Treatment STA Station

STAA Surface Transportation Assistance Act STAB Stability STAFFDEL Congressional Staff Delegation STANTEAM Standardization Team STAR Standard Automated Requisitioning STARS Ship Tracking and Retrieval System STAV Shipboard Training and Alignment

Verification STB Surface Transportation Board STBD Starboard STBD Starboard STCP Secure Telecommunications Plan STCW International Convention on Standards

of Training,Certification and Watchkeeping (IMO)

STCW-F International Convention on Standards for Training, Certification and Watchkeeping for Fishing Vessel Personnel (IMO)

STEM (See Tanker Definitions) STEM Subject To Enough Merchandise STL Scuttled STO Now used as a Storage Tanker STP Standard Temperature and Pressure STRIDE System to Retrieve Information from

Drug Evidence STU III Secure Telephone Unit STW Sub-committee on Standards of

Training and Watchkeeping (IMO) STW 30 Standards of Training and

Wachkeeping - 30th Session STX start of text SU search unit SUB Subject (To .....) sub, subm submerged. SUBC self-unloading bulk carrier SUBJ Subject SUEZMAX A tanker of the maximum size capable

of transit of the Suez Canal (approx. 150,000 200,000 DWT)

SUPCEN Supply Center SUPER See CERCLA SUR Seafarers' Union of Russia (Moscow) SURPIC surface picture SUW Surface Warfare SV Single Visit SVRP Switched Voice Replacement Project

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SVTT Surface Vessel Torpedo Tube SVY Survey SW stud arc welding SWA South West Asia SWAD Salt Water Arrival Draft SWAT South-West Atlantic Region SWATH Small Waterplane Area Twin Hull SWBS Ship Work Breakdown Structure SWDD Salt Water Departure Draft SWE Servicewide Exam SWE Sweden (Flag) SWL Safe working load SWL Safe Working Load SWOT Strengths, Weaknesses, Opportunities

and Threats SWR Standing Wave Ratio; Switcher;

Switch Register SWS III Standard Workstation III (Computer

Workstation) SYN synchronous idle SYS System SYSGEN system generation SYST System

T t dry-bulb temperature; elapsed time;

meridian angle; metric ton (tonne); also temperature;

T air temperature correction (altitude); table; temperature; time; toward (altitude intercept); true (direction): search time available; tesla; temperature, rankin

T&E Test & Evaluation T/B Integrated Tug/Barge T/C thermocouple T/C or TC Time Charter T/V tank vessel T/V Tanker Vessel t^3 wet-bulb temperature. Ta tantalum TAB Training Allowance Billets tab. table. TAC Tactical Computer TAC Tidal Analysis of Currents

TACADE Department of Transportation Advisory Council on Alcohol and Drug Education

TACLET Tactical Law Enforcement Team TACON Tactical Control T-ACS Auxiliary Crane Ship TAD Temporary Assigned Duty TAD Theatre Area Deployment TAE Transportation Acquisition Executive TAG Technical Advisory Group TAI International Atomic Time. TALFF Total Allowable Level of Foreign

Fishing TAM Transportation Acquisition Manual tan tangent. TANB Trailerable Aids to Navigation Boat TAO Tactical Action Officer TAP Trajectory Analysis Planner TAPPI Technical Association of the Pulp and

Paper Industry TAPS Trans Alaska Pipeline System TAR Department of Transportation

Acquisition Regulation TAS true air speed TASC Transportation Administrative Service

Center TAT Technical Assessment Team TATC Transportation Appeal Tribunal of

Canada TAV Total Asset Visibility TAV Training Audiovisual TAX Storage Tanks Tax Tb terbium TB true bearing; turning bearing; air

temperature atmospheric pressure correction (altitude).

TBA To Be Announced TBD To be decided TBD To Be Developed/Determined TBK Den Norske Trykkbeholderkomite

(Norwegian Pressure Vessel Committee)

TBN To Be Nominated TBS To Be Scrapped TBS Tubeshaft TBT Technical Barriers to Trade TBT Tributyltin

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Tc technetium TC Technical committee Tc thermodynamic critical temperature TC tidal current TC Transport Canada TC true course. TCA time of closest approach TCA time of satellite closest approach. TCC Transportation Communication Central TcHHW tropic higher high water. TcHHWI tropic higher high water interval. TcHLW tropic higher low water. TcLHW tropic lower high water. TcLLW tropic lower low water. TcLLWI tropic lower low water interval. TCM Task Commitment Memorandum TCM Telecommunications Manual TCN Transportation Control Number TCP Telecommunications Plan TCPA time to closest point of approach. TCT Tracking Comparison Test TCV Total Calculated Volume TD time difference (Loran C). TDA Tactical Decision Aid TDC Transportation Development Centre TDG Transportation of Dangerous Goods TDM time division multiplex TDMA Time Division Multiple Access TDPs tradeable discharge permits TDS Target Designation System TDWDT Tropical Deadweight Te tellurium TEA Targeted Export Assistance TECH Technical TECS Treasury Enforcement

Communications System TED Turtle Excluder Device TEDS Treatment Episode Data Set Tel telephone; telegraph. TELEX teletype TEMA Tubular Exchanger Manufacturers

Association, Inc. TEMAC Temporary Active Duty TEMP Test and Evaluation Master Plan TERA Temporary Early Retirement Authority

TEU Twenty Foot (Container) Equivalent TF tropical fresh load line TFE telemetry front end; also

tetraflouroethylene TFR temporary flight restriction TFRIL Technical Feedback Response

Information Letter TG time difference of groundwaves from

master and secondary (slave) stations (Loran).

TGL Task Group Leader TGS time difference of groundwave from

master and skywave from secondary (slave) station (Loran).

Th thorium TH true heading. THD Total Harmonic Distortion; Total

Dynamic Head THR (Throughput) Algorithm TI Technical Information Ti titanium TIC The Interdiction Committee TINWG Training Infrastructure Natural

Working Group TIP Transition and Implementation Plan TIR Transport Internationale Routier TIS Technical Infrastructure Study TIS Time in Service TISCOM Telecommunications and Information

Systems Command Tk tank. TL Task Leader Tl thallium TL Turkish Lloyd's (Class Society) TLC thin layer chromatography TLE Temporary Living Expense TLL timber load line TLP Tension Leg Platform TLV Threshold Limit Value TLV STEL Threshold Limit Value Short Term

Exposure Limit TLV TWA Threshold Limit Value Time Weighted

Average TLX teletype TM Technical Manual Tm thulium TMB ISO Technical Management Board

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TMCR Technical Manual Contract Requirement

TMG track made good. TMOT Test Management Oversight Team TMP Task Management Plan TNK Tank TO Tender Offer TO Training Officer TOCA Transfer Of Class Agreement (IACS) TOD time of day (clock). TOI Targets of Interest tol tolerance TONO Travel Order Number TOP Technical and Office Protocol TORs Terms of References TOSD Technical and Operational Services

Directorate TOT Total Loss TOV Total Observed Volume TOVALOP Tanker Owners' Voluntary Agreement

Concerning Liability for Oil Pollution (London)

TP Thermal Protective TP Transport Publication TPA Thermal Protective Aid TPC Tons Per Centimeter (Immersion) TPFDD Time Phased Force Deployment Data tpi threads per inch TPI Tons Per Inch (Immersion) TPM Technical Performance Measurement TPO Terminal Performance Objective TPRB Trade Policy Review Body TQC Training Quota Management Center TQM Total Quality Management TR Technical Report TR track. Tr transit; tower. TR Triple Screw TR Trouble Report TRACE Technical Review and Consolidation

of Equipment TRACEN Training Center TRADET Training Detachment TRANS Transverse TRATEAM Training Team TRB Transportation Research Board

TRE Training Readiness Evaluation TRIM & STAB Trim And Stability Booklet TRR Test Readiness Review TRS transverse rupture strength TS Technical Specification Ts time difference of skywaves from

master and secondary (slave) stations (Loran).

TSAC Towing Safety Advisory Committee TSARC Transportation System Acquisition

Review Council TSB Transportation Safety Board TSC Transportation Systems Center TSCA Toxic Substance Control Act TSD Time, Speed, and Distance TSG time difference of skywave from

master and groundwave from secondary (slave) station (Loran).

TSN track line search, non-return TSP Thrift Savings Plan TSR track line search, return TSS Traffic Separation Scheme TSS traffic separation scheme. TSTA Tailored Ships Training Availability TT Telephone Technician TTL Total TTL transistor/transistor logic TTP telephone twisted pair TTX Table Top Exercises TU Turkey (Flag) TUAC Trade Union Advisory Committee

(OECD) TUR Test Uncertainty Ratio; Turret TW Tween Decker TW Twin Screw TWC Total Water Current TWEA Trading With the Enemy Act TWN Taiwan (Flag) TWS Track-While-Scan TWX Teletypewriter Message TX Transmitter TxC Transmit Clock signal (from DCE) TxD Transmit Data signal (to DCE) TxE Transmit Enable signal (to MAU) TxS Transmit Signal (to MAU) TYCOM Type Commander

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TYP Type TZn true azimuth.

U U upper limb correction for moon;

uranium; also velocity (ft/sec); wind speed.

U.Q. ultra quick flashing. U.S. Sur M U.S. Survey mile(s). UART Universal Asynchronous Receiver

Transmitter UAV Unmanned Air Vehicle UBS universal bulk ship UC Unanimous Consent UCF Uniform Contract Format UCMJ Uniform Code of Military Justice UCN Unique Control Number UCP Unified Command Plan UCT Universal Coordinated Time UCTE Union of Canadian Transport

Employees UD Unit Designation UEL Upper Explosive Limit UFAWU United Fishermen and Allied Workers

Union UFL upper flammable limit UFS Unit Financial System UGT Union Generale de Trabajadores

(Spanish Union) UHF Ultra High Frequency UI Unit of Issue UIC Unit Identification Code UID User Input Device UIR upper flight information region UK United Kingdom UK P&I United Kingdom Mutual UKAPTO United Kingdom Association of Private

Terminal Operators UKOOA United Kingdom Offshore Operators

Association UKR Ukraine (Flag) UL Underwriters Laboratories UL upper limb. ULBC ultra large bulk carrier ULC Underwriters’ Laboratories of Canada

ULCC Ultra Large Crude Carrier (over 320,000 DWT)

ULD Unit Load Devices ULMS Unit Logistics Management System ULP Coast Guard Unit Leadership Program ULR ultra-long-range aircraft UMIB Urgent Marine Information Broadcast UMIS Reserve Unit Management Information

System UMMIPS Uniform Material Movement and Issue

Priority System UMS Universal Measurement System UMS Unmanned Machinery Space UN United Nations UNC unified coarse thread UNCED United Nations Conference on

Environment Development UNCITRAL UN Commission on International

Trade and Law UNCLAS Unclassified Information UNCLOS United Nations Conference on the Law

of the Sea Uncov uncovers. UNCTAD United Nations Conference on Trade

and Development (Geneva) UND Urgency of Need Designator UNEF unified extra fine thread UNEP United Nations Environment

Programme UNESCO United Nations Educational, Scientific

and Cultural Organisation UNF unified fine thread UNHCR United Nations High Commissioner for

Refuges UNIDCP United Nations International Drug

Control Program UNIDO United Nations Industrial Development

Organization UNIDOS II Mexican Counterdrug Operation UNREP Underway Replenishment UOFP Use of Force Policy UPH Unaccompanied Personnel Housing UPR Unearned Passenger Revenue UPS Uninterruptible power supply UPS Universal Polar Stereographic. UPV Un-Inspected Passenger Vessel UR Ukrainian Register

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UR Uruguay Round URL Universal Resource Locator (Internet

address) URR Unconstrained Resource Request US United States USA United States Army USACE United States Army Corps of

Engineers USAF United States Air Force USAID United States Agency for International

Development USAR United States Army Reserve USAR urban search and rescue USART Universal Synchronous/Asynchronous

Receiver Transmitter USASCII U.S. Standard Code for Information

Exchange USASOA United States Army School of the

Americas USB upper side band USBM United States Bureau of Mines USBP United States Border Patrol USC United States Code USC Unless Sooner Commenced USCG United States Coast Guard USCG AUX United States Coast Guard Auxiliary USCGA United States Coast Guard Academy USCGR United States Coast Guard Reserve USCS United States Customs Service USD United States Dollar USDA United States Department of

Agriculture USEPA United States Environmental

Protection Agency USF United States Forces USG United States Code of Federal

Regulations USG United States Government USGS United States Geodetic Survey. USIC United States Interdiction Coordinator

(COMDT, USCG) USMC United States Marine Corps USMC US Maritime Commission USMS United States Marshals Service (DOJ) USN United States Navy USNR United States Naval Reserve USO United Services Organization

USPHS United States Public Health Service USPS United States Postal Service USRT Universal Synchronous Receiver

Transmitter USTR United States Trade Representative USTRANSCOM United States Transportation

Command USVI U S Virgin Islands USW Undersea Warfare USWMS Uniform State Waterway Marking

System. UT Universal Time. UT0 Universal Time 0. UT2 Universal Time 2. UTB Utility Boat UTC Co-ordinated Universal Time UTl Universal Time 1. UTM Universal Transverse Mercator UU Unless Uses UUT Unit Under Test UUTWCTAUTC Unless Used In Which Case Time

Actually Used To Count uv ultraviolet UVROM ultraviolet erasable read only memory

V v excess of GHA change from adopted

value for 1 hour; speed of search object; volt; also specific volume, ft3/lb.

V SAR facility ground speed; vanadium; volume, in.3; variation; vertex.

V.Q. very quick flashing. V.Q.(3) group very quick flashing. vA volt ampere VAC Volts Alternating Current VADM Vice Admiral var. variation. VAT Value Added Tax VBSS Visit, Board, Search and Seize VC St. Vincent & The Grenadines (Flag) VCB vertical centre of buoyancy VCF Volume Correction Factor VCG vertical centre of gravity VCO voltage controlled oscillator VCS Vapor Control System

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VCV Vapor Control Valve VDC Volts Direct Current VDR Verband Deutscher Reeder (German

Ship Owner's Association) VDR voyage data recorder VDS Visual Distress Signal VDU Visual Display Unit VE Value Engineering VEAF Venezuelan Armed Forces VECP Value Engineering Change Proposal VEF Vessel Experience Factor vel velocity. VENAV Venezuelan Navy Ver vertical. VERA Voluntary Early Retirement Authority

(civilian) VERTREP Vertical Replenishment VFR visual flight rules VGB Virgin Islands, British VHA Variable Housing Allowance VHF Very High Frequency VHSD very high speed data. VHSIC Very High Speed Integrated Circuit Vi violet. VIDS Vessel Identification and

Documentation System VIDS Vessel Identification System VIRES Vietnam Register VISTA Visit in Support of Training and

Assistance VLBC Very Large Bulk Carrier (over 180,000

DWT) VLCC Very Large Crude Carrier (between

160,000 - 320,000 DWT) VLF Very Low Frequency VLR very-long-range aircraft VLSI very large scale integration VMC visual meteorological conditions VMS Vessel Monitoring System VNM Vietnam (Flag) VNTSC Volpe National Transportation

Systems Center VOCs volatile organic compounds vol volcano; volcanic. vol volume VOR VHF omnidirectional radio range

VOSS Vessel of Opportunity Skimming System

VP vapour pressure VPD Vessel Pays Dues VPF vector product format. VPP variable pitch propeller VPQ Vessel Particulars Questionnaire VRC vertical redundancy parity check VRM variable range marker. VRP Vessel Response Plan VRS Vapor Recovery System VS sector search VSC Vessel Safety Check VSI Voluntary Separation Incentive

(military) VSIP Voluntary Separation Incentive Pay

(civilian) VSOA Vessel Safety and Operations Audit VSWR Voltage Standing Wave Ratio VT Variable Time VT-IR Variable Time - Infrared VTIS Vessel Traffic Information System VTM Vessel Traffic Management VTMS vessel traffic management services VTOL Vertical Take-Off and Landing VTS Vessel Traffic Service/System VTSS vessel traffic separation scheme VUT Vanuatu (Flag)

W w mass flow rate; search sub-area width W sweep width; Waived; watt; tungsten;

west; white. w.c. watercolumn (hydrostatic head) W/M Weight or Measurement WAAS Wide Area Augmentation System,

based on GPS, developed by the Government of the United States

WAC Wind Driven Analysis of Currents WACAF West and Central African Region WAGB Coast Guard Large Icebreaker WAMS Waterways Analysis and Management

System WAN Wide Area Network WARC World Administrative Radio


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WARC World Administrative Radio Council. WAT Weapons Augmentation/Assist Team WB Water Ballast Wb weber WBS Work Breakdown Structure WBT Water Ballast Tank WC wind current WC word count WCA Workforce Cultural Audit WCARIB Western Caribbean WCC Weapon Control Console WCCON Whether Customs Cleared Or Not WCO World Customs Organization (Ex

Customs Cooperation Council) WCP Weapon Control Panel/Processor WCR Wider Caribbean Region WCRP Weapon Control Reference Plane WE watch error. WEMT West European Confederation of

Maritime Technology Societies WEND World Electronic Navigation Database WET Waterways Evaluation Tool WFTU World Federation of Trade Unions WG Working group WG Wage Grade (civilian) WGMC Working Group on Maritime

Cooperation WGS World Geodetic System. WHBS Waste Heat Boiler Survey WHEC High-Endurance Cutter WHFTBS Waste Heat Fire-Tube Boiler Survey WHO World Health Organization (UN) WHOI Woods Hole Oceanographic Institution WHWTBS Waste Heat Water-Tube Boiler Survey WIBON Whether In Berth Or Not WIC West Indian Commission WIFPON Whether In Free Pratique Or Not WIPON Whether In Port Or Not WISTA Women's International Shipping and

Trading Association Wk wreck. WL water line WLB Buoy Tender, Seagoing WLI Buoy Tender, Inland WLM Buoy Tender, Coastal

WLTHOHC Water Line-To-Hatch Coaming WMD Weapons of Mass Destruction WMEC Medium-Endurance Cutter WMO World Meteorological Organization. WMS Workforce Monitoring System WMU World Maritime University (Malmo,

Sweden) WNA Winter North Atlantic WO Warrant Officer WOG Without Guaranty WOPA Women Officers' Professional

Association WORLD BANK International Bank for Reconstruction

and Development WP Weather Permitting WP Working Paper WP/E Working Party on Electricity (IACS) WP/FPS Working Party on Fire Protection and

Safety (IACS) WP/HE Working Party on Human Element

(IACS) WP/M Working Party on Machinery (IACS) WP/S Working Party on Strength of Ships

(IACS) WP/SRC Working Party on Surveyors Reporting

and Certification (IACS) WP/SSLL Working Party on Stability Subdivision

and Load Lines (IACS) WPA Workforce Policy Advisor WPB Weather Patrol Boat WPC World Petroleum Congress WPQT Welding procedure qualification test WPRFMC Western Pacific Regional Fisheries

Management Council WPS Welding procedure specification WPT Welding procedure test WQIS Water Quality Insurance Syndicate WQSB Watch, Quarter, and Station Bill WRC World Radiocommunication

Conference (of ITU) WRIC Wire Rods in Coils WRK Wrecked WS Worldscale WSF Weapon System File WT watch time. WT watertight wt weight

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WT Well Testing WTBS Water-Tube Boiler Survey WTD Watertight Door WTGB Icebreaking Tug WTH Watertight Hatch WTO World Tourism Organisation WTO World Trade Organization WTP Weekly Training Plan WTR Water Wu uncorrected sweep width WWD Weather Working Days WWF Word Wide Fund for Nature WWM Waterways Management WWNWS World Wide Navigational Warning

Service. WWR When, Where Ready WWW World Wide Web WX Weather

X x pressure drop ratio X initial position error; parallactic angle. Xe xenon XMTR transmitter. XO Executive Officer XOFF Transmitter off XOL Excess Of Loss (Insurance) XON Transmitter on XP external party line XST external start xt pressure drop ratio factor xtp value of x, for a valve fitting assembly

Y y yellow. Y SAR facility position error; yttrium;

expansion factor. Y2K Year 2000 YAR York Antwerp Rules yd(s). yard(s). yd3 cubic yard YGS Year of Grace Survey YN Yeoman

yr(s), YR(S) Year(s)

Z z zenith distance. Z azimuth angle; zenith; compressibility

factor; effort; Zulu (GMT/Universal Time)

Z Diff. azimuth angle difference. ZAF South Africa (Flag) ZC (See CCS or CS) ZD zone description ZFN zero order fixed aperture non

redundant sample algorithm Zn azimuth. Zn zinc Znpgc azimuth per gyrocompass. Zr zirconium ZrO2 zirconium oxide Zt total available effort ZT Zero Tolerance ZULU (See Z and GMT)