Jetstream 41General Data

August 2006

Introduction Jetstream 41 operatorsDimensions

Basic Jetstream 41 dimensionsPassenger cabin features

Cabin interiorCabin configurationsDoors, exits & stowages

Freighter Corporate aircraft

VIP interiorsTechnical overview

Rugged structureWell equipped flight deck Simple flying controlsQuiet efficient powerplantsLow noise characteristicsLanding Gear

MaintenanceWorld Fleet Dispatch Reliability Maintenance access Maintenance planning MACRO programme Engine Maintenance Cost Protection

Customer SupportRegional aircraft locationsWorld fleet Dispatch reliabilityMaintenance accessMaintenance planningAirframe maintenance - MACROEngine maintenanceSpares logisticsStructural repair agreementField service representationCustomer trainingOperations supportVendor supportTechnical support

PerformancePerformance characteristicsJetstream 41• Basic Data• Take-off performance• Payload Range

Freighter aircraftFreighter payloads

EconomicsEconomic analysisJetstream 41• Economic results

Contents

Introducing the Jetstream 41

The Jetstream 41 was designed to meet the demanding needs of regional airlines with a focus on quality and low operating costs.

The Jetstream 41 is a major development of the successful Jetstream 31/ Super 31 family. The aircraft first entered service in 1993 with Logan Air. Just over 100 aircraft were built before production ended in 1997.

It has been configured to meet the needs of operators across the world.

The Jetstream 41 offers an optimum solution to meet market requirements - a careful balance of competitive performance, comfort and reliability at minimum cost.

Jetstream 41 Operators

ADI Charter ServicesClub Jetstream IncMorgan JetNorthstar AviationTrans States Airlines

Eastern Airways

HKG Government ServicesOrigin PacificRoyal Thai ArmyYeti Airlines

SA AirlinkAirlink SwazilandMozambique Express

The Jetstream 41 remain in-service to-date with operators spread across the world.

The world wide fleet distribution is successfully supported by BAE SYSTEMS in all the regions.

The majority of the fleet are passenger aircraft though some have been converted to VIP interiors or special mission configurations.

Dimensions

Jetstream 41 Dimensions

Overall length 19.33m/ 63ft 5in

Wingspan 18.42m/ 60ft 0in

Length 5.61m/ 18ft 5in

Passenger headroom 1.78m/ 5ft 10in

Passengercabin

features

The Jetstream 41 gives the interior feel of a much larger aircraft, leading to the instant passenger acceptability required for today’s regional services connecting with large jets.

Light, spacious and airy cabin with strong passenger appeal

29 & 30 seat layoutsStand up headroom of over

1.78m (5ft 10in)Flexibility to offer all levels of

cabin serviceTotal baggage capacity of

over 9ft3 per passenger

Cabin Interior

Cabin Configurations

29 seats with forward galley

29 seats with rear galley

30 seats

The design of the Jetstream 41 interior has benefited from the experience of the Jetstream 31.

Cabin layouts and features have been chosen to offer maximum operational flexibility.

29 seat layout with galley30 seat layout without galley31” or 30” seat pitchLarge fwd carry-on stowage1.78m/ 5ft 10in headroom

The overall baggage capability on the Jetstream 41 is over 0.25m3/ 9ft3 per passenger.

Rear baggage bay of 4.8m3/ 170ft3 capacity with large 1.22 x 1.32m/ 48” x 52”door

Carry on stowage with0.61m3/ 21.5ft3 volume

Additional stowage with 0.22m3/ 7.9ft3 volume

Ventral baggage pod with1.35m3/ 47.5ft3 volume forextra loading flexibility andideal for both checked andtagged carry on baggage

Doors, Exits & Stowages

FreighterAircraft

J41F Estimated cargo volumes

01 December 2004 P.D.Rogers

Passenger to freighter Conversion

In recognition of the potential demand for a small, 3 to 4 tonne bulk freighter, BAE Systems is studying options for 3rd party conversion of J41 passenger aircraft to ‘E’ class freighters.

‘E’ Class freight compartments maximise the volume available for freight payload by eliminating the need for crew access to the cargo compartment in the event of fire.

J41F Estimated cargo volumes

01 December 2004 P.D.Rogers

Freighter Compatability

1.346 m4ft 5in

1.295 m4ft 3in

The J41 is well suited to the freighter role with its large cabin cross-section and existing large rear baggage door.

Once the aircraft is converted, the baggage door can serve as a freight door. In this role, full advantage can be taken of its attributes:

• Plug type door• Opens inwards• Tracks upwards• 1.346m wide X 1.295m high• 1.651m sill height• Located at rear of aircraft

FUSELAGE CROSS-SECTION

• 1.784 m max cabin height• 1.85 m cabin width

FREIGHT LOADING DOOR

Typical Freighter configuration

The conversion to bulk freight operations involves stripping out of the passenger cabin interior and installation of a cargo interior including smoke detection system, cabin liners and barrier nets.

Crew access is maintained through the forward passenger door whilst the rear baggage door serves as the freight door.

Typically, the compartment will feature 5 freight zones separated by five 9G vertical nets and a forward smoke curtain.

Crew door Freight door

‘E’ CLASS FREIGHT INTERIOR

• Smoke detectors and flight deck annunciators• Flight deck door smoke seal• LED Cargo compartment lights• Barrier netting for 5 compartments• Composite cargo compartment liners

ZONE 1 ZONE 2 ZONE 3 ZONE 4 ZONE 5

Zone nets

Smoke curtain

10.98m (36ft 0.2in)

- Cabin lights- Smoke detectors

Flight deck Changes

Changes to the flight deck include modification of the central warning system and central display system to reflect the change from passenger to freighter role.

A dedicated panel provides control and indication for the smoke detection system and the emergency cut off of ventilating air to the cargo compartment.

• Central warning display changes

• Dedicated smoke detector panel

• Individual warnings for 4 X smoke detectors

• Cockpit air isolation switch

J41F Estimated cargo volumes

01 December 2004 P.D.Rogers

Freighter Volumes and payloads

Configured with an ‘E’ Class freight interior, the full cabin length including the rear baggage bay becomes available for freight - over 30 cubic metres.

Payload potential is over 3.5 Tonnes representing a cargo density of around 112 Kg/m³

Potential freight volume

– Aft cargo compartment 4.80 m³ 170 Ft³– Main cabin 29.45 m³ 1,040 Ft³– Less forward vestibule volume - 3 .00 m³ - 106 Ft³

– Total useful cargo compartment volume 31.25 m³ 1,104 Ft³

Potential structural limited payload

– Maximum zero fuel weight 9,707 Kg 21,400 lb– Estimated Operating weight empty * 6,190 Kg 13,650 lb

– Structural payload limit 3,517 Kg 7,750 Lb

Potential volume limited payload

– Volume payload limit @ 112 Kg/m³ 3,500 Kg 7,716 lb

* Estimate based on typical in-service aircraft less passenger furnishings and with addition of an ‘E’class interior

CorporateAircraft

VIP Interiors

The spacious, adaptable cabin of the Jetstream 41 offers unique accommodation for a wide range of potential customised interiors which can be designed and installed by 3rd party specialist centres.

In addition to VIP interiors, the Jetstream 41 has been successfully transformed into a luxurious aircraft for corporate travel.

Possible 19 seat corporate layout

Example 19 seat corporate layout

Technicaloverview

Rugged Structure

• Rugged design for demanding regional operations

• Extensive use of traditional materials allows easy repair and inspection

• Highly effective corrosion protection

The design of the Jetstream 41 is based on the service proven Jetstream 31 using only materials which are backed by comprehensive test data and have good service histories.

Inspection periods and thresholds are based on MSG-3 maintenance logic and the design, where possible, uses alternative load paths so enabling structural inspections to be limited to simple visuals.

Well equipped Flight Deck

The flight deck has been designed around a four-tube EFIS system for maximum comfort and minimum crew fatigue over demanding regional multi-sector routes.

OperationalHoneywell Digital Flt DirectorCAT2 landing systemPrimus 650 colour weather

radarIntegrated engine systemBendix/King CAS66A TCASHoneywell EGPWS

CommunicationsPrimus VHF comms &

transponder combines VOR/ILS/MB receiver, ADF & DME

Universal CVRFairchild FDR

NavigationDual AHS600 AHRSRT300 Radio altimeter

• Primary flying controls– Fully manual aileron, elevator and rudder controls– Designed to JAR/FAR 23 requirements

• Secondary flying controls– Manual aileron, elevator and rudder trim systems– Hydraulic wing flaps and ground spoiler systems

Simple Flying Controls

The design philosophy behind the Jetstream 41 flying control system takes into consideration the need for simple, yet effective, system layout.

Impressive handling qualities

Efficient flap system for e excellent airfield performance

Automatic ground spoilers for improved braking efficiency

Quiet, efficient Powerplants

• Fuel efficient Garrett TPE331-14 engines

• Cost effective 5 bladed McCauley metal propellers

• Single shaft simplicity

• Modular engine design for easy maintenance andlow spares holding

• 1650SHP/1500SHP conservative engine ratings

• Automatic Power Reserve (APR) system

• Digital supervisory control in conjunction with afull authority hydro-mechanical fuel control

• Health & trend monitoring to optimise timebetween shop visits

Low noise Characteristics

Many years of experience gained with the Jetstream 31 was applied to the noise reduction on the Jetstream 41 both in the cabin and externally.

1650 shp engine rating

Noise level 84.3 86.5 87.8

Stage 3 Limit 94 89 98

Lateral Flyover Approach

• Furnishing panels form an inner shell acoustically isolated from the fuselage structure

• Attention paid to acoustic gap sealing, the fitting of isolation bags and to the selection of noise attenuation materials

• Overall attenuation of the furnished cabin is 17dBA relative to the bare structural shell

Landing Gear

The Jetstream 41 has a tricycle landing gear with two wheels on each leg. The legs retract forwards; the nose leg in to the front fuselage forward of the pressure bulkhead and main legs into the underside of the engine nacelles. All the fairing doors are mechanically operated by the landing gear movement.

Rugged, low drag design

Electronic anti-skid

Dunlop steel rotor brake pack

Powered steering

Maintenance & Customer Support

Regional aircraft Locations

BAE Systems’ Regional Aircraft division headquarters at Prestwick is home to Customer Support and Engineering.

Jetstream 41 training facilities are located at Woodford with spares stocks at Weybridge, close to London’s international airports.

Additional support is provided from facilities in Washington DC.

PrestwickHeadquarters, Operations (Engineering and Support), Admin

WoodfordCustomer Training, Engineering

WeybridgeEuropean Logistics Centre (ELC)primary spares distribution centre

HatfieldAsset Management

WashingtonCustomer Support (Americas) Asset Management, Spares warehousing

CincinnatiRepair & Overhaul facility

PRESTWICK

HATFIELD

WEYBRIDGE

WOODFORD

NORTH AMERICA

WASHINGTONCINCINNATI

2005 2006

World fleet Dispatch reliability

The Jetstream 41 world wide fleet maintains an average dispatch reliability of over 98.8% in the demanding multi sector regional airline operating environment.

DR BASED ON WATOG CRITERIA

Maintenance Access

Jetstream 41 Maintenance Planning

Nominal check intervals are currently:

Maintenance plans have been developed for the Jetstream 41 based on MSG-3 logic. The plans take into account ongoing in-service experience and allow checks to be broken down into equalised check programmes.

The plans can be tailored to suit individual operator’s needs.

Pre-Flight Completed prior to first flight of eachcalendar day

Pre-Departure Completed prior to each aircraftdeparture

Daily Check Within 24 hours preceding first flightService Check Intervals not exceeding 3 daysA Check Every 300 flight hoursC Check Every 3000 flight hours

PART RETURNEDTO BAE SYSTEMS

Airframe maintenance - MACRO

PART BECOMESUNSERVICABLE

REPLACEMENTFROM ONSITE

REPLACEMENT FROM POOL

REPLENISHONSITE

R & OLOOP.

Airframe rotable spares provisioning and repair and overhaul programmes for the Jetstream 41 can be tailored to the needs and capabilities of individual operators through fixed cost pay by the hour packages.

MACRO Programme The recommended programme, MACRO, is backed by BAE SYSTEMS. This offers an airframe rotable component by the hour service with a minimum initial spares investment

The programme covers three distinct areas:

- Provision of an agreed on-site spares package.- Repair and overhaul of airframe rotable components.- Advance exchange service for all airframe rotable components.

ONSITESTOCK

ROTABLEREPAIRS

BAE SYSTEMSPOOL STOCK

(Weybridge)

Engine Maintenance

Honeywell’s Engine maintenance programme provides engine overhaul for a fixed hourly cost which is typically based upon the following operational elements:

• Average sector length• Engine thrust management techniques• Operational environment• Annual utilisation

The plan covers parts and repair labour for scheduled and unscheduled maintenance and Category 1 and 2 Service Bulletins released after engine enrolment.

BAE SYSTEMS can assist Jetstream 41 operators in obtaining quotes from Honeywell.

For a fixed hourly payment, Honeywell, the engine manufacturer, will undertake all engine maintenance on behalf of an operator over an agreed period (excluding line labour).

The criteria for acceptance of an engine into the program includes the operator’s on-wing maintenance capability, a pre-enrolment inspection and the engine modification status.

Spares Logistics

• Spares operations for the world-wide fleet of Jetstream 41 aircraft is provided by :

– Maintenance help desk manned 24 hours a day.

– Spares Logistics Centre at Weybridge close to London Heathrow.

– Additional spares store in Washington DC, USA.

• Direct access to the inventory through the SPEC 2000 computer system and the internet.

Operators of BAE Systems Jetstream 41 aircraft enjoy the spares support of a major manufacturer supporting over 1100 aircraft in service worldwide.

Dedicated help desks manned round the clock provide fast response to AOG requests and the modern, well equipped warehouse facilities at Weybridge ensure efficient despatch of spares via London’s Heathrow airport nearby.

Structural Repair Agreement• On-site structural damage assessment of customer aircraft

• Temporary repair scheme or service concession prior to provision of final repair solution

• Customer repair drawings, repair instructions and on-site structural assessments on demand from the customer.

• Provision of responses to airframe structural technical queries

• Assistance in use of the airframe structural documentation

• Provision of CAA approved repair schemes by way of a repair drawing or repair instruction

Included in the portfolio of services provided by Regional Aircraft’s Customer Support organisation is a Structural Repair Agreement.

This is an optional arrangement whereby, for a fixed annual subscription, BAE SYSTEMS will provide a range of services in the event of in-service damage to a Jetstream 41.

Field Service Representation• Participation in daily meetings with airline

• Troubleshooting

• Reviewing and progressing outstanding issues.

• Liaising with BAE SYSTEMS customer support.

• Setting up lines of communication.

• Building relationships with key vendors.

• Ensuring BAE Systems is aware of any AOG.

To assist with the entry into service of the Jetstream 41, experienced Field Service Representatives are available to assist new operators.

These personnel become resident with the airline assisting the technical staff as they familiarise themselves with the aircraft and guiding them as they interface with various parts of the BAE Systems Regional Aircraft Customer Support organisation.

Pilot’s ground school, cabin crew, engineering and management familiarisation training courses, are provided at BAE Systems’ dedicated facility at it’s Woodford site.

Although the use of a simulator for the provision of training is always recommended it is possible to complete a Jetstream 41 Type Rating course using a combination of classroom and ‘on-aircraft’training.

Five multi-media, purpose built class rooms, a cockpit procedures trainer and a wide range of audio visual programmes are available.

Customer Training

Typical customer training programmes

• Pilots - 10 days ground school,- 9 off 4 hour simulator sessions

• Cabin crew - 3 days

• B1 Maintenance - 15 days (Airframe, engine, electrical power, avionic LRU’s)

• B2 Maintenance - 7 days (Electrical power, avionics)

• Avionics Black Box Extension - 3 days

• TPE331-14G/HR Engine - 5 days

• Recurrent / Trouble shooting - 5 days

* Course prices available on application

Operations Support

BAE SYSTEMS TOGETHER WITH ITS PARTNER EAG CAN PROVIDE

• Weight and balance material including loading aids

• Analysis of specific operational issues

• Airfield performance data and software

In addition to pilot training, BAE SYSTEMS can provide ongoing support to customer’s operations. advising and assisting with the introduction of new destinations, challenging airfields and operational issues.

BAE SYSTEMS has also partnered with the European Aeronautical Group for the provision of Jetstream 41 software services, in particular Airfield Performance data. EAG provide a range of navigational and flight planning services from their base in Stockholm, Sweden.

Vendor Support

• Cost reduction team based at Prestwick (RACAP team)

• Data feedback from operators continuously analysed and published.

• Regular liaison with major vendors.

• Continuous maintenance planning development to drive up service intervals

The approach to vendor issues by BAE Systems’ Regional Aircraft division is encapsulated in its RACAP programme (Regional Aircraft Cost Advantage Programme).

The RACAP team is a multidisciplinary group representing a broad range of specialities across the business. The team is tasked with continuous review of cost drivers and aircraft delay causes and the identifying of solutions which will improve these indicators.Vendor liaison forms a key part of this initiative.

Technical Support

• Maintenance planning

• Continued Airworthiness support

• Technical queries- Repair Design Office- AOG technical support

• Modifications and Service Bulletins

• Maintenance and Operators manuals

• Illustrated parts catalogues

• Publishing & graphic design

• CD-ROM and On-line publications(via ISDN, Intranet and Internet)

A wide range of other Technical Support services is available from BAE Systems covering simple technical queries to assistance with Maintenance Planning.

An extensive library of customised Technical Manuals can be provided in various hard copy and electronic formats.

Jetstream 41 performance

Performance Characteristics

• Performance matched to the needs of regional operations

• Favourable low fuel burns

• Competitive block times

• Operations from 1200m (4000ft) runways

• Ability to operate 2 one hour sectors without refuelling

TPE331-14 GR/HR ENGINE FLAT RATINGS

1100

1200

1300

1400

1500

1600

1700

0 10 20 30 40 50 60 70

Temperature ºC

Shaft Horsepower

TAKE-OFFTTL

APR TTL

1650SHP v 1500 SHP @ SEA LEVEL

ISASea level

Jetstream 41 Engine ratings compared

Jetstream41 aircraft are equipped with either the 1500shp or the 1650shp engine variant.

Automatic Power Reserve (APR) provides contingency thrust on the live engine following engine failure during take-off or on go-around.

Jetstream 41 Take-Off Performance

Performance comparison for a 2,000ft airfield at ISA+15°C

8000

9000

10000

11000

12000

1000 1250 1500 1750 2000 2250 2500 2750 3000Runway Length (m)

TOW

(kg)

1500SHP 1650SHP

°

Basic Data - Jetstream 41

Aircraft weightsKg lb

Maximum Take-off Weight 10,886 24,000

Maximum Landing Weight 10,569 23,300

Maximum Zero Fuel Weight 9,707 21,400

Passenger versionTypical Operating Weight Empty* 6,800 14,988

Maximum structural payload 2,907 6,41229 Passengers @ 95 Kg 2,755 6,074

Freighter versionTypical Operating Weight Empty 6,190 13,650

Maximum structural payload 3,517 7,750

* Estimates based on typical in-service aircraft

0

500

1000

1500

2000

2500

3000

3500

0 200 400 600 800 1,000 1,200 1,400 1,600 1,800

Range (nm)

Payl

oad

(kg)

Jetstream 41 Payload Range

29 pax @ 95 kgs

559 nm1,035 km

ASSUMPTIONS:- ISA+10C, still air- Long range cruise

JAR RESERVES:- 5% trip fuel- Overshoot at destination- 30 min. hold at 1,500ft at alternate

100nm diversion and approach

0

500

1000

1500

2000

2500

3000

3500

4000

0 200 400 600 800 1,000 1,200 1,400 1,600 1,800

Range (nm)

Payl

oad

(kg)

Passenger version

Freighter version

Jetstream 41 economics

Economic Analysis

The Jetstream 41 costs presented in this section are based on standard industry assumptions and cover the major direct cost elements. The purchase prices, aircraft lease rates and hull values quoted are for budgetary purposes only. The freighter costs assume that the operator leases the airframe and installs the freight interior at the budgetary price shown.

The maintenance costs represent a reasonable budgetary provision for a typical airline fleet operation. However, the size of the fleet, average sector length, operating environment, level of in - house expertise, subcontract and internal labour rates will all have an impact on the actual costs experienced.

Cost assumptions - Jetstream 41

Aircraft ownershipA/C Lease rate $25,000/MonthFreighter conversion $300,000 amortised over 8years to 10%Spares 15% of aircraft valueInsurance 0.9% of hull value

Variable costsFuel price $2.0/USgAircraft utilisation- J41 2000 BH/Annum- J41F 1000 BH/Annum

FLIGHT CREW Captain’s salary $85,000/Annum1st Officer’s salary $45,000/AnnumFlight crew hours 600/Annum

CABIN CREW Salary $27,000/Annum(Pax aircraft only) Cabin crew hours 1000/Annum

Cabin crew on board 1

MAINTENANCE Pax aircraft (2000 BH/Ann) Cargo aircraft (1000 BH/Ann)Airframe $170/FH + $27/FC $208/FH + $27/FCEngine $66/FH + $24/FC $66/FH + $24/FC

Landing fees $10/Tonne of MTOWEurocontrol $50 National unit rate

Direct costs - Jetstream 41

Aircraft type - Jetstream 41

Sectors Sector data Ownership costs Variable costs Total costFrom To Dist Block Flight Fuel Pax Aircraft Spares Hull Fuel Fl.crew C.Crew Maint L.fees Nav Chge DOC DOC DOC

Km hours hours Kg on board $ $ Insurance $ $ $ $ $ $ $ $ $/BH Cents/ASKXXX XXX 100 0.40 0.32 158 29 60 7 5 104 87 11 126 109 23 532 1330 18.34XXX XXX 200 0.63 0.55 249 29 95 11 9 164 137 17 181 109 47 769 1215 13.26XXX XXX 300 0.87 0.78 331 29 130 15 12 218 188 23 236 109 70 1001 1155 11.50XXX XXX 400 1.07 0.98 412 29 160 18 14 272 231 29 283 109 93 1210 1134 10.43XXX XXX 500 1.28 1.20 493 29 193 22 17 325 278 35 334 109 117 1429 1114 9.86XXX XXX 600 1.48 1.40 575 29 223 25 20 380 321 40 381 109 140 1639 1105 9.42XXX XXX 700 1.70 1.62 658 29 255 29 23 434 368 46 433 109 163 1860 1094 9.16XXX XXX 800 1.92 1.83 740 29 288 32 26 488 415 52 484 109 187 2080 1085 8.97XXX XXX 900 2.12 2.03 822 29 318 36 29 543 459 57 531 109 210 2290 1082 8.77XXX XXX 1000 2.33 2.25 901 29 350 39 32 595 506 63 582 109 233 2508 1075 8.65

Aircraft type - Jetstream 41F

Sectors Sector data Ownership costs Variable costs Total costFrom To Dist Block Flight Fuel Cargo Aircraft Spares Hull Fuel Fl.crew Maint L.fees Nav Chge DOC DOC DOC

Km hours hours Kg Kg $ $ Insurance $ $ $ $ $ $ $ $/BH $/TKmXXX XXX 100 0.40 0.32 158 3517 121 16 12 104 87 138 109 23 610 1526 1.73XXX XXX 200 0.63 0.55 249 3517 192 25 20 164 137 202 109 47 895 1414 1.27XXX XXX 300 0.87 0.78 331 3517 263 34 27 218 188 266 109 70 1174 1355 1.11XXX XXX 400 1.07 0.98 412 3517 324 41 33 272 231 320 109 93 1424 1335 1.01XXX XXX 500 1.28 1.20 493 3517 390 50 40 325 278 380 109 117 1688 1315 0.96XXX XXX 600 1.48 1.40 575 3517 450 58 46 380 321 435 109 140 1938 1307 0.92XXX XXX 700 1.70 1.62 658 3517 516 66 53 434 368 494 109 163 2204 1296 0.89XXX XXX 800 1.92 1.83 740 3517 582 74 60 488 415 553 109 187 2468 1288 0.88XXX XXX 900 2.12 2.03 822 3476 643 82 66 543 459 608 109 210 2719 1284 0.86XXX XXX 1000 2.33 2.25 901 3394 708 91 72 595 506 668 109 233 2981 1278 0.85

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No use may be made of it other than that expressly authorised. This document is for information only and is based on assumptions made by BAE SYSTEMS. No reliance should be placed by the recipient on the information contained in this document. It is not an offer, condition or warranty of any contract, nor is it to be used in connection with the operation or maintenance of any aircraft for which specific manuals have been issued.

BAE SYSTEMS REGIONAL AIRCRAFT

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