FEDERAL AVIATION ADMINISTRATION

i2OE/AAA Acronym List v. 1.0

1

AcronymA/FD AAF AAI AAP AAR AAS AAT AAWU AC ACAA ACAR ACDO ACEP ADAP ADAS ADC ADCUS ADDS ADF ADIC ADL ADO ADO ADS ADSIM AEE AEEC AF AFB AFCS AFM AFMS AFS AFSS AGI AHRS AILS AIM AIP AIRMET AIRPAC AIS ALD

Explanation/MeaningAirport/Facility Directory Airway Facilities Service FAA Office of Accident Investigation Advanced Automation Program Airport Acceptance Rate Advanced Automation System Associate Administrator for Air Traffic Alaskan Aviation Weather Unit Advisory Circular Air Carrier Association of America Aircraft Communications Addressing and Reporting System Air Carrier District Office Airport Capacity Enhancement Plan Airport Development Aid Program Automated Weather Observing System Data Acquisition System Air Defense Command Advise Customs Aviation Digital Data Service Automatic Direction Finder ATS Interfacility Data Communications Aeronautical Data Link Airline Dispatch Office Airport District Office Automatic Dependent Surveillance Airfield Delay Simulation Model FAA Office of Environment and Energy Airlines Electronic Engineering Committee Air Force Air Force Base Automatic Flight Control System Aircraft Flight Manual Automatic Flight Management System Airways Facilities Sector Automated Flight Service Station FAA Office of Government and Industry Affairs Attitude Heading Reference System Automatic Instrument Landing System Aeronautical Information Manual Airport Improvement Program Airmen's Meteorological Information Advisor for the Intelligent Resolution of Predicted Aircraft Aeronautical Information System Available Landing Distance

2

AcronymALPA ALS ALSF ALTRV AMASS AMCC AMIC AMIS AMSL AND ANM ANP ANS AOA AOAS AOC AOCC AOP AOPA AOS AP APM APV ARC ARC ARC AREA ARFF IC ARINC ARO ARSA ARSR ARTCC ARTS ASAS ASD ASDE ASOS ASP ASR ATA ATC ATCA ATCAA

Explanation/MeaningAirlines Pilots Association Approach Light Systems Approach Lighting System With Sequenced Flashing Lights Altitude Reservation Airport Movement Area Safety System Air Route Traffic Control Center Maintenance Control Center Area Manager in Charge Aircraft Management Information System Above Mean Sea Level Associate Administrator for NAS Development Northwest Mountain Region Actual Navigation Performance NAS Transitions and Implementation FAA Office of the Administrator Advanced Oceanic Automation System Airline Operational Control Center Airline Operations Control Center NAS Operations Aircraft Owners and Pilots Association Operational Support Service Autopilot System Approach Path Monitor Approach with Vertical Guidance Administrators Review Committee Airlines Reporting Corporation Aviation Review Committee Automated En Route Air Traffic Control Aircraft Rescue and Fire Fighting Incident Commander Aeronautical Radio Incorporated Airport Reservations Office Airport Radar Service Area Air Route Surveillance Radar Air Route Traffic Control Center Automated Radar Terminal System Aviation Safety Analysis System Aircraft Situation Display Airport Surface Detection Equipment Automated Surface Observing System Arrival Sequencing Program Airport Surveillance Radar Airline Transport Association Air Traffic Control Air Traffic Control Association ATC Assigned Airspace

3

AcronymATCRBS ATCSCC ATCT ATD ATIDS ATIS ATM ATMS ATN ATO ATO ATOMS ATS ATT AVN AWC AWOS AWP AWP AWW BBS BC BRITE BUEC C/A CA CAASD CAD CAEG CAMI CAP CARF CASA CAT CATTS CBI CD CD CDC CDI CDM CDS CDT CDTI

Explanation/MeaningAir Traffic Control Radar Beacon System Air Traffic Control Systems Command Center Airport Traffic Control Tower Along Track (Straight-line) Distance Airport Surface Target Identification System Automatic Terminal Information Service Air Traffic Manager Automated Training Management System Aeronautical Telecommunications Network Air Traffic Organization Air Traffic Operations Air Traffic Management Operations Management Systems Air Traffic Services Attitude Retention System Aviation System Standards Aviation Weather Center Automated Weather Observing System Aviation Weather Processor Western Pacific Region Severe Weather Forecast Alert Bulletin Board System Back Course Bright Radar Indicator Tower Equipment Backup Emergency Communications Coarse Acquisition Conflict Alert Center for Advanced Aviation System Development Computer Aided Drawing Computer Aided Engineering Graphics Civil Aeronautical Medical Institute Civil Air Patrol Central Altitude Reservation Function Controller Automated Spacing Aid Clear Air Turbulence Computerized Air Traffic Training System Computer Based Instruction Common Digitizer Controller Display Computer Display Channel Course Deviation Indicator Collaborative Decision Making Central Dispatch System Controlled Departure Time Cockpit Display of Traffic

4

AcronymCDV CENRAP CERAP CERAP CFA CFR CHI CIP CNS COTR COTS CP CPDLC CRA CRDA CTAF CTAS CVFP CVRS CWA CWP CWSU DA DARC DARP DASI DB DBRITE DCC DCP DF DGNSS DGPS DH DLAP DME DME/N DME/P DOD DOT DOTS DOVE DP DPU

Explanation/MeaningCompressed Digital Video Center Radar Arts Presentation Center Radar Approach Control Combined Center/RAPCON Controlled Firing Area Code of Federal Regulations Computer Human Interface Capital Investment Plan Communications, Navigation, and Surveillance Contracting Officer's Technical Representative Commercial-Off-The-Shelf Conflict Probe Controller Pilot Data Link Communications Conflict Resolution Advisory Converging Runway Display Aid Common Traffic Advisory Frequency Center TRACON Automation System Charted Visual Flight Procedure Computerized Voice Reservation System Center Weather Advisory Central Weather Processor Center Weather Service Unit Decision Altitude Direct Access Radar Channel Dynamic Aircraft Route Planning Direct Altimeter Setting Indicator Decibel Digital Bright Radar Indicator Tower Equipment Direct Channel Complex Data Collection Package Direction Finder Differential Global Navigation Satellite System Differential Global Positioning System Decision Height Data Link Applications Processor Distance Measuring Equipment Standard DME Precision DME Department of Defense Department of Transportation Dynamic Ocean Track System DSR Oceanic VSCS En Route Implementation Working Group Instrument Departure Procedure Data Processor Unit

5

AcronymDRT DSP DSR DSS DUATS DVA DVFR DVOR DVRS DVRSN EARS EARTS EDC EDCT EDCT EDI EDMS EFAS ELT EPA EPE ERM ESP ESV ETA ETD ETE ETMS EVCS EVFR EWINS FA FAA FAATC FAATSAT FADE FAF FANS FARM FAST FAWP FB FCC FCM

Explanation/MeaningDiversion Recovery Tool Departure Sequencing Program Display System Replacement Decision Support System Direct User Access Terminal System Diverse Vector Area Defense Visual Flight Rules Doppler Very High Frequency Omni Directional Range Digital Voice Recorder System Diversion En Route Analysis and Reporting System En Route Automated Radar Tracking System Early Display Configuration Estimated Departure Control Time Expect Departure Clearance Time Electronic Data Interchange Electronic Document Management Systems En Route Flight Advisory Service Emergency Locator Transmitter Environmental Protection Agency Estimate of Position Error En Route Spacing Program Enroute Sequencing Program Expanded Service Volume Estimated Time of Arrival Estimated Time of Departure Estimated Time En Route Enhanced Traffic Management Systems Emergency Voice Communications Systems Electronic Visual Flight Rules Enhanced Weather Information System Area Forecast Federal Aviation Administration Federal Aviation Administration Technical Center Federal Aviation Administration Telecommunications Satellite FAA/Airline Data Exchange Final Approach Fix Future Air Navigation System Fielded Automation Requirements Management Final Approach Spacing Tool Final Approach Waypoint Fly-by Federal Communications Commission Flight Schedule Monitor

6

AcronymFCT FD FDC FDE FDP/RDP FIAO FIR FIS FISDL FLIP FLTCK FMA FMS FMSP FO FONSI FPL FPNM FPS FSDO FSDPS FSM FSS FTS GA GAO GBAS GDE GDP GENOT GEO GETS GLONASS GLS GMCC GNAS GNSS GNSSP GOMP GPS GRI GSA GSD GUI

Explanation/MeaningFederal Contract Tower Flight Director System Flight Data Center Fault Detection and Exclusion Flight Data Processing/Radar Data Processing Flight Inspection Area Office Flight Information Region Flight Information Services Flight Information Services Data Link Flight Information Publication Flight Check Final Monitor Aid Flight Management System Flight Management System Procedure Fly-over Finding of No Significant Impact Full Performance Level Feet Per Nautical Mile Military Primary Radar Flight Standards District Office Flight Service Data Processing System Flight Schedule Monitor Flight Service Station Federal Telecommunications System General Aviation General Accounting Office Ground Based Augmentation System Ground Delay Enhancements Ground Delay Program General Notice Geostationary Satellite Government Emergency Telecommunications Service Global Orbiting Navigational Satellite System GNSS Landing System General National Airspace System Maintenance Control Center General National Airspace System Global Navigation Satellite System Global Navigation Satellite System Panel Gulf of Mexico Program Global Positioning System Group Repetition Interval General Services Administration Geographical Situation Display Graphic User Interface

7

AcronymGUS GWDS HAT HCS HDTA HID HID/NAS/LAN HIRL HIWAS HRR HUD Hz I&I IAF IAP IAPA IAS IATA IAWP ICAO ICSS IF IFIM IFR ILS IM IMC INM INS IOC IOC IOT&E IPT IR IRU ISC ITC ITD ITWS IVT IWGDS JAI JSS kHz

Explanation/MeaningGround Uplink Station Graphic Weather Display System Height Above Touchdown Host Computer System High Density Traffic Airports Host Interface Display Host Interface Device/National Airspace System/Local Area Network High Intensity Runway Lights Hazardous Inflight Weather Advisory Service Helicopter Rapid Refueling Procedures Heads Up Display Hertz Impact and Implementation Initial Approach Fix Instrument Approach Procedure Instrument Approach Procedures Automation Indicated Air Speed International Air Transport Association Initial Approach Waypoint International Civil Aviation Organization Integrated Communications Switching System Intermediate Fix International Flight Information Manual Instrument Flight Rules Instrument Landing System Inner Marker Instrument Meteorological Conditions Integrated Noise Model Inertial Navigation System Initial Operating Capability Initial Operational Capability Independent Operational Test and Evaluation Integrated Product Team IFR Military Training Route Inertial Reference Unit Initial System Capability In-Trail Climb In-Trail Descent Integrated Terminal Weather System Interactive Video Teletraining Interim Weather Graphic-Display System Joint Acceptance Inspection Joint Surveillance System Kilohertz

8

AcronymLAA LAAS LABS LAGPS LAHSO LAN LAWRS LAWRS LCC LDA LFME LINCS LIRL LLWAS LLWAS NE LLWAS-RS LNAV LOA LOB LOC LOM LOP LORAN LORAN LRR M1FC MAHWP MALSR MAP MAP MARSA MAWP MCI MDA MEA METAR mGz MHz MIRL MLS MM MNPS MNS MOA

Explanation/MeaningLocal Airport Advisory Local Area Augmentation System Los Angeles Basin Study Local Area Global Positioning System Land and Hold Short Operations Local Area Network Limited Aviation Weather Reporting Service Limited Aviation Weather Reporting Station Life Cycle Cost Localizer Type Directional Aid Local Flow Management Enhancements Leased Interfacility National Airspace System Communications System Low Intensity Runway Lights Low-Level Windshear Alert System Low Level Wind Shear Alert System Network Expansion Low Level Wind Shear Alert System Relocation/Sustainment Lateral Navigation Letter of Agreement Line Of Business Localizer Locator Outer Marker Line-of-position Long-Range Navigation Long Range Navigation System Long Range Radar Model 1 Full Capacity Missed Approach Holding Waypoint Medium-Intensity Approach Lighting System With Runway Alignment Indicator Missed Approach Procedure Missed Approach Point Military Assumes Responsibility for Separation Missed Approach Waypoint Mode C Intruder Minimum Descent Altitude Minimum En Route Altitude Aviation Routine Weather Report Megahertz Megahertz Medium Intensity Runway Lights Microwave Landing System Middle Marker Minimum Navigation Performance Specification Mission Needs Statement Military Operations Area

9

AcronymMOCA MODE C MODE S MODEM MOU MRA MRB MSA MSAW MSL MTD MTI MTOS MTR MVA MWO MWP NACO

Explanation/MeaningMinimum Obstruction Clearance Altitude Altitude Reporting Mode of Secondary Radar Mode Select; Discrete Addressable Secondary Radar System With Data Link Modulator-Demodulator Memorandum of Understanding Minimum Reception Altitude Magnetic Reference Bearing Minimum Safe Altitude Minimum Safe Altitude Warning Mean Sea Level Moving Target Detection Moving Target Indicator Mountain Obscuration Military Training Route Minimum Vectoring Altitude Meteorological Watch Office Meteorological Weather Processor National Aeronautical Charting Office (Part of the FAA's Office of Aviation System Standards. It is comprised of employeeswho are involved in the compilation, reproduction, and distribution of aeronautical navigation products and digital databases for the U.S., its territories and possessions. NACO continuously collects topographic and aeronautical data from a large number of sources and uses this source data to compile and maintain the charts and products provided to the aviation community. National Airspace Data Interchange Network National Airspace Integrated Logistics Support National Airspace Performance Reporting System National Airspace Redesign National Airspace Review National Radio Communications System National Airspace System National Aeronautics and Space Administration National Aviation Safety Data Analysis Center National Airspace System Resource National Air Traffic Controllers Association National Air Traffic Service Navigational Aid Navigational Aids Coast Guard Navigation Center National Business Aircraft Association National Beacon Code Allocation Plan NAS Change Proposal National Convective Weather Forecast Nondirectional Radio Beacon Next Generation Weather Radar

NADIN NAILS NAPRS NAR NAR NARACS NAS NASA NASDAC NASR NATCA NATS NAVAID NAVAIDS NAVCEN NBAA NBCAP NCP NCWF NDB NEXRAD

10

AcronymNFDC NFP NICS NIDS NIMA NIMS NIST NM NMAC NMCC NOAA NOM NOPAC NoPT NOREP NOTAM NPA NPIAS NPM NPR NPRM NRA NRP NSA NSW NTAP NTSB NTZ NWS OAMP OAP OASIS OAT OATS OBS OCA OCC ODALS ODAPS ODL ODP OE/AAA OM OMB

Explanation/MeaningNational Flight Data Center NIMS Premier Facility National Airspace System Interfacility Communications System National Institute for Discovery Sciences National Imagery and Mapping Agency NAS Infrastructure Management System National Institute of Standards and Technologies Nautical Mile Near Midair Collision National Maintenance Control Center National Oceanic and Atmospheric Administration NAS Operations Manager North Pacific No Procedure Turn Required National Oceanic Review and Enhancement Program Notice to Airmen Nonprecision Approach National Plan for Integrated Airport Systems NAS Program Manager/Management National Performance Review Notice of Proposed Rule Making Non-Rulemaking Airport National Route Program National Security Area No Significant Weather Notices to Airmen Publication National Transportation Safety Board No Transgression Zone National Weather Service Off-Line Aircraft Management Program Oceanic Automation Program Operational and Supportability Implementation System Outside Air Temperature Office Automation Technology Services Omni-bearing Selector Oceanic Control Area Operations Control Center Omnidirectional Approach Lighting Systems Oceanic Display and Planning System Oceanic Data Link Obstacle Departure Procedure Obstruction Evaluation/Airport Airspace Analysis Outer Marker Office of Management and Budget

11

AcronymOMEGA OPI OPSNET ORD ORD OS OS OSDS OSHA OSRWG OT&E OTPS P/CG P2R2 PA PAMRI PAPI PAR PAR PASS PATS PCS PDC PFAST PFD PinS PIP PIREP PM POB POI PPS PRM PSL PT PTR PVD PWI RA RAA RAIM RAIS RAPCON RAT

Explanation/MeaningVery Low Radio Navigation System Office of Primary Interest Operations Network Operational Readiness Demonstration Chicago O'Hare International Airport Operating System Operational Shakedown & Cutover Oceanic System Development and Support Occupational Safety and Health Administration Oceanic Separation Reduction Working Group Operational Test and Evaluation Oceanic Traffic Planning System Pilot/Controller Glossary Preferred Route Reduction Program Precision Approach Peripheral Adapter Module Replacement Item Precision Approach Path Indicator Precision Approach Radar Preferred Arrival Route Professional Airway Systems Specialists Precision Approach Tracking System Power Conditioning System Pre-Departure Clearance Passive Final Approach Spacing Tool Personal Flotation Device Point-in-Space Program Implementation Plan Pilot Weather Report Preventive Maintenance Persons on Board Principal Operations Inspector Precise Positioning Service Precision Runway Monitor Projected Service Life Procedure Turn Program Technical/Trouble Report Plan View Display Proximity Warning Indicator Resolution Advisory Remote Advisory Airport Receiver Autonomous Integrity Monitoring Remote Airport Information Service Radar Approach Control Risk Assessment Team

12

AcronymRBDT RCAG RCAG RCC RCE RCF RCLS RCO RD REGIS REIL REIL RFI RFI RFM RIAP RIAT RIP RLIM RMI RML RMM RMMS RNAV RNP RNP-10 RPV RSL RTCA RTE RTR RTS RVR RVSM RX SAM SAMS SAR SAS SAWRS SBAS SCAT SCAT-1 DGPS

Explanation/MeaningRibbon Display Terminals Remote Communications Air/Ground Remote Center Air/Ground Rescue Coordination Center Radio Control Equipment Remote Communications Facility Runway Centerline Lighting System Remote Communications Outlet Rotor Diameter Regional Information System Runway End Identification Lights Runway End Identifier Lights Radio Frequency Interference Return on Future Investment Rotorcraft Flight Manual Runway Incursion Action Plan Runway Incursion Action Team Runway Incursion Program Runway Light Intensity Monitor Radio Magnetic Indicator Radar Microwave Link Remote Maintenance Monitoring Remote Maintenance Monitoring Systems Area Navigation Required Navigation Performance Required Navigation Performance Remotely Piloted Vehicle Runway Status Light Radio Technical Commission for Aeronautics Route Remote Transmitter/Receiver Return to Service Runway Visual Range Reduced Vertical Separation Minima Receiver System Area Monitor Special Use Airspace Management System Search and Rescue Stability Augmentation System Supplemental Aviation Weather Reporting Service Satellite-based Augmentation System Southern California Area TRACON ( Metroplex) Special Category I Differential GPS

13

AcronymSDF SECRA SETA SFL SFR SIAP SID SIGMET SIMMOD SM SMA SMA SMGCS SMMC SNR SOC SOP SPC SPIFR SPS SSC SST STAR STAR STARS STARS STMP STOL STT STVS SUA

Explanation/MeaningSimplified Directional Facility Secondary Radar System Engineering and Technical Assistance Sequenced Flashing Lights Special Flight Rules Standard Instrument Approach Procedure Standard Instrument Departure Significant Meteorological Information Airspace and Airport Simulation Model Statute Mile Surface Monitor Aid Surface Movement Advisor Surface Movement Guidance Control System System Maintenance Monitor Console Signal-to-noise Ratio Service Operations Center Standard Operating Procedure Storm Prediction Center Single Pilot IFR Standard Positioning Service System Support Center System Shakedown Testing Standard Terminal Arrival Route Standard Terminal Arrival Standard Terminal Area Radar System Standard Terminal Automation Replacement System Special Traffic Management Program Short Take - Off and Landing Staffing to Traffic Small Tower Voice Switch Special Use Airspace: Airspcae of a defined dimension wherein activities must be confined because of their nature, or wherein limitations may be imposed upon aircraft activities because of their nature. Supervisors Committee (AAT AND AAF) Suspected Unapproved Parts System Special Visual Flight Rules Severe Weather Avoidance Procedure/Program Supplemental Weather Service Locations Traffic Advisory Terminal Arrival Area Tactical Air Command (USAF) Terminal Area Chart Tactical Air Navigation Aerodrome Forecast

SUPCOM SUPS SVFR SWAP SWSL TA TAA TAC TAC TACAN TAF

14

AcronymTAS TATCA TCAP TCAS TCCC TCH TCVR TD TDLS TDWR TDZL TEC TERP TFM TFR TIBS TIS TLS TMA TMI TMS TMU TOC TP TPP TRACON TRSA TSARTS TSO TSSC TVSR TWEB TWIB TWIP TX UBA UBI UFO UHF UPR UPT URET USAF USCG

Explanation/MeaningTrue Air Speed Terminal Air Traffic Control Automation Traffic Count Automation Program Traffic Alert and Collision Avoidance System Tower Control Computer Complex Threshold Crossing Height Transceiver Time Difference Tower Data-Link Services Terminal Doppler Weather Radar Touchdown Zone Lights Tower En Route Control Terminal Instrument Procedures Traffic Flow Management Temporary Flight Restriction Telephone Information Briefing Service Traffic Information Service Transponder Landing System Traffic Management Advisor Traffic Management Initiatives Traffic Management System Traffic Management Unit Technical Operations Center Telecommunication Processor Terminal Procedures Publications Terminal Radar Approach Control Terminal Radar Service Area Technical Standard Order Terminal Support Services Contract Terminal Voice Switch Replacement Transcribed Weather Broadcast Terminal Weather Information for Pilots System Terminal Weather Information for Pilots Transmitter User Benefits Applications User Benefits Infrastructure Unidentified Flying Object Ultrahigh Frequency User Preferred Route User Preferred Trajectory User Request Evaluation Tool United States Air Force United States Coast Guard

15

AcronymUSNS UTC UWS VAR VASI VDA VDL VDP VEARS VFR VGSI VHF VIP VMCV

Explanation/MeaningUnited States Notices to Airmen System Coordinated Universal Time (ZULU) Urgent Weather SIGMET Volcanic Activity Reporting Visual Approach Slope Indicator Vertical Descent Angle Very High Frequency Data Link Visual Descent Point VSCS Emergency Access Radio System Visual Flight Rules Visual Glide Slope Indicator Very High Frequency Video Integrator Processor Visual Meteorological Conditions Instrument flight minimum speed, utilized in complying with minimum limit speed requirements for instrument flight Vertical Navigation Never exceed speed Instrument flight never exceed speed, utilized instead of VNE for compliance with maximum limit speed requirements for instrument flight Very High Frequency Omni-directional Range Very High Frequency Omnidirectional Range Colocated with Distance Measuring Equipment VHF Omnidirectional Range Colocated Tactical Air Navigation VHF Omni-directional Range/Tactical Air Navigation VOR Test Facility VFR Military Training Route The reference landing approach speed, usually about 1.3 times Vso plus 50 percent of the wind gust speed in excess of the mean wind speed. Voice Recorder Replacement Program Voice Switching Communications System The stalling speed or the minimum steady flight speed in the landing configuration at maximum weight. Vector to Final Vertical Take-Off and Landing Vertical Visibility Speed for best rate of climb Instrument climb speed, utilized instead of VY for compliance with the climb requirements for instrument flight AIRMET Wide Area Augmentation System World Aeronautical Chart Wide Area Differential Global Positioning System Wide Area Network Weather and Radar Processor

MINI VNAVV

NEV

NEI VOR VOR/DME VORTAC VORTAC VOT VRV

REF VRRP VSCSV

SO VTF VTOL VVV

YV

YI WA WAAS WAC WADGPS WAN WARP

16

AcronymWFO WGS-84 WMO WMS WMSC WMSCR WP WRS WRS WS WSO WSP WSR WST WW WX

Explanation/MeaningWeather Forecast Office World Geodetic System of 1984 World Meteorological Organization Wide-Area Master Station Weather Message Switching Center Weather Message Switching Center Replacement Waypoint Wide Area Augmentation System Reference Station Wide-Area Ground Reference Station SIGMET Weather Service Office Weather System Processor Weather Surveillance Radar Convective Significant Meteorological Information Severe Weather Watch Bulletin Weather

17