August 2006 Jetstream 41 General Data
Contents Introduction Jetstream 41 operators Dimensions Basic Jetstream 41 dimensions Passenger cabin features Cabin interior Cabin configurations Doors, exits & stowages Freighter Corporate aircraft VIP interiors Technical overview Rugged structure Well equipped flight deck Simple flying controls Quiet efficient powerplants Low noise characteristics Landing Gear Maintenance World Fleet Dispatch Reliability Maintenance access Maintenance planning MACRO programme Engine Maintenance Cost Protection Customer Support Regional aircraft locations World fleet Dispatch reliability Maintenance access Maintenance planning Airframe maintenance - MACRO Engine maintenance Spares logistics Structural repair agreement Field service representation Customer training Operations support Vendor support Technical support Performance Performance characteristics Jetstream 41 Basic Data Take-off performance Payload Range Freighter aircraft Freighter payloads Economics Economic analysis Jetstream 41 Economic results
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 The Jetstream 41 remain inservice 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. ADI Charter Services Club Jetstream Inc Morgan Jet Northstar Aviation Trans States Airlines Eastern Airways SA Airlink Airlink Swaziland Mozambique Express HKG Government Services Origin Pacific Royal Thai Army Yeti Airlines
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
Passenger cabin features
Cabin Interior 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 layouts Stand up headroom of over 1.78m (5ft 10in) Flexibility to offer all levels of cabin service Total baggage capacity of over 9ft 3 per passenger
Cabin Configurations 29 seats with forward galley 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 galley 30 seat layout without galley 31 or 30 seat pitch Large fwd carry-on stowage 1.78m/ 5ft 10in headroom 29 seats with rear galley 30 seats
Doors, Exits & Stowages The overall baggage capability on the Jetstream 41 is over 0.25m 3 / 9ft 3 per passenger. Rear baggage bay of 4.8m 3 / 170ft 3 capacity with large 1.22 x 1.32m/ 48 x 52 door Carry on stowage with 0.61m 3 / 21.5ft 3 volume Additional stowage with 0.22m 3 / 7.9ft 3 volume Ventral baggage pod with 1.35m 3 / 47.5ft 3 volume for extra loading flexibility and ideal for both checked and tagged carry on baggage
Freighter Aircraft
Passenger J41F Estimated to freighter cargo volumes 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. 01 December 2004 P.D.Rogers
Freighter J41F Estimated Compatability cargo volumes FUSELAGE CROSS-SECTION 1.784 m max cabin height 1.85 m cabin width 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: 1.346 m 4ft 5in Plug type door Opens inwards Tracks upwards 1.346m wide X 1.295m high 1.651m sill height Located at rear of aircraft FREIGHT LOADING DOOR 1.295 m 4ft 3in 01 December 2004 P.D.Rogers
Typical Freighter configuration 10.98m (36ft 0.2in) Smoke curtain 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 E CLASS FREIGHT INTERIOR ZONE 1 ZONE 2 ZONE 3 ZONE 4 ZONE 5 Zone nets Smoke detectors and flight deck annunciators Flight deck door smoke seal LED Cargo compartment lights Barrier netting for 5 compartments Composite cargo compartment liners Freight door -Cabin lights -Smoke detectors
Flight deck Changes Central warning display changes Dedicated smoke detector panel Individual warnings for 4 X smoke detectors Cockpit air isolation switch 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.
Freighter J41F Estimated Volumes cargo and volumes payloads 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 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 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 01 December 2004 P.D.Rogers
Corporate Aircraft
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. Example 19 seat corporate layout Possible 19 seat corporate layout
Technical overview
Rugged Structure 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. Rugged design for demanding regional operations Extensive use of traditional materials allows easy repair and inspection Highly effective corrosion protection
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. Operational Honeywell Digital Flt Director CAT2 landing system Primus 650 colour weather radar Integrated engine system Bendix/King CAS66A TCAS Honeywell EGPWS Communications Primus VHF comms & transponder combines VOR/ILS/MB receiver, ADF & DME Universal CVR Fairchild FDR Navigation Dual AHS600 AHRS RT300 Radio altimeter
Simple Flying Controls Primary flying controls Fully manual aileron, elevator and rudder controls Designed to JAR/FAR 23 requirements 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 Secondary flying controls Manual aileron, elevator and rudder trim systems Hydraulic wing flaps and ground spoiler systems
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 and low spares holding 1650SHP/1500SHP conservative engine ratings Automatic Power Reserve (APR) system Digital supervisory control in conjunction with a full authority hydro-mechanical fuel control Health & trend monitoring to optimise time between shop visits
Low noise Characteristics 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 1650 shp engine rating 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. Overall attenuation of the furnished cabin is 17dBA relative to the bare structural shell Lateral Flyover Approach Noise level 84.3 86.5 87.8 Stage 3 Limit 94 89 98
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 NORTH AMERICA Prestwick Headquarters, Operations (Engineering and Support), Admin Woodford Customer Training, Engineering BAE Systems Regional Aircraft division headquarters at Prestwick is home to Customer Support and Engineering. CINCINNATI WASHINGTON PRESTWICK Weybridge European Logistics Centre (ELC) primary spares distribution centre Hatfield Asset Management 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. WOODFORD HATFIELD WEYBRIDGE Washington Customer Support (Americas) Asset Management, Spares warehousing Cincinnati Repair & Overhaul facility
World fleet Dispatch reliability DR BASED ON WATOG CRITERIA The Jetstream 41 world wide fleet maintains an average dispatch reliability of over 98.8% in the demanding multi sector regional airline operating environment. 2005 2006
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 inservice experience and allow checks to be broken down into equalised check programmes. Pre-Flight Pre-Departure Daily Check Service Check A Check C Check Completed prior to first flight of each calendar day Completed prior to each aircraft departure Within 24 hours preceding first flight Intervals not exceeding 3 days Every 300 flight hours Every 3000 flight hours The plans can be tailored to suit individual operator s needs.
Airframe maintenance - MACRO 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. REPLACEMENT FROM ONSITE ONSITE STOCK REPLENISH ONSITE 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. PART BECOMES UNSERVICABLE PART RETURNED TO BAE SYSTEMS R & O LOOP. REPLACEMENT FROM POOL BAE SYSTEMS POOL STOCK (Weybridge) ROTABLE REPAIRS
Engine Maintenance Honeywell s Engine maintenance programme provides engine overhaul for a fixed hourly cost which is typically based upon the following operational elements: 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 onwing maintenance capability, a pre-enrolment inspection and the engine modification status. 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.
Spares Logistics Spares operations for the world-wide fleet of Jetstream 41 aircraft is provided by : Maintenance help desk manned 24 hours a day. 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. 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.
Structural Repair Agreement On-site structural damage assessment of customer aircraft Temporary repair scheme or service concession prior to provision of final repair solution 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. 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
Field Service Representation Participation in daily meetings with airline Troubleshooting Reviewing and progressing outstanding issues. 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. Liaising with BAE SYSTEMS customer support. Setting up lines of communication. Building relationships with key vendors. Ensuring BAE Systems is aware of any AOG.
Customer Training Typical customer training programmes Pilots - 10 days ground school, - 9 off 4 hour simulator sessions 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. 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 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. Analysis of specific operational issues Airfield performance data and software 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. The approach to vendor issues by BAE Systems Regional Aircraft division is encapsulated in its RACAP programme (Regional Aircraft Cost Advantage Programme). Regular liaison with major vendors. Continuous maintenance planning development to drive up service intervals 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 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. 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)
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
Jetstream 41 Engine ratings compared Shaft Horsepower 1700 1600 TPE331-14 GR/HR ENGINE FLAT RATINGS 1650SHP v 1500 SHP @ SEA LEVEL 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 goaround. 1500 1400 1300 1200 ISA Sea level TAKE-OFF TTL APR TTL 1100 0 10 20 30 40 50 60 70 Temperature ºC
Jetstream 41 Take-Off Performance Performance comparison for a 2,000ft airfield at ISA+15 C 1500SHP 1650SHP 12000 TOW (kg) 11000 10000 9000 8000 1000 1250 1500 1750 2000 2250 2500 2750 3000 Runway Length (m)
Basic Data - Jetstream 41 Aircraft weights Kg 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 version Typical Operating Weight Empty* 6,800 14,988 Maximum structural payload 2,907 6,412 29 Passengers @ 95 Kg 2,755 6,074 Freighter version Typical Operating Weight Empty 6,190 13,650 Maximum structural payload 3,517 7,750 * Estimates based on typical in-service aircraft
Jetstream 41 Payload Range 3500 Passenger version Payload (kg) 3000 2500 2000 1500 1000 500 29 pax @ 95 kgs 559 nm 1,035 km Payload (kg) 4000 3500 3000 2500 2000 1500 1000 500 Freighter version 0 0 200 400 600 800 1,000 1,200 1,400 1,600 1,800 Range (nm) 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 0 200 400 600 800 1,000 1,200 1,400 1,600 1,800 Range (nm)
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 ownership Variable costs A/C Lease rate $25,000/Month Freighter conversion $300,000 amortised over 8years to 10% Spares 15% of aircraft value Insurance 0.9% of hull value Fuel price $2.0/USg Aircraft utilisation - J41 2000 BH/Annum - J41F 1000 BH/Annum FLIGHT CREW Captain s salary $85,000/Annum 1st Officer s salary $45,000/Annum Flight 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/FC Engine $66/FH + $24/FC $66/FH + $24/FC Landing fees Eurocontrol $10/Tonne of MTOW $50 National unit rate
Direct costs - Jetstream 41 Aircraft type - Jetstream 41 Sectors Sector data Ownership costs Variable costs Total cost From 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/ASK XXX XXX 100 0.40 0.32 158 29 60 7 5 104 87 11 126 109 23 532 1330 18.34 XXX XXX 200 0.63 0.55 249 29 95 11 9 164 137 17 181 109 47 769 1215 13.26 XXX XXX 300 0.87 0.78 331 29 130 15 12 218 188 23 236 109 70 1001 1155 11.50 XXX XXX 400 1.07 0.98 412 29 160 18 14 272 231 29 283 109 93 1210 1134 10.43 XXX XXX 500 1.28 1.20 493 29 193 22 17 325 278 35 334 109 117 1429 1114 9.86 XXX XXX 600 1.48 1.40 575 29 223 25 20 380 321 40 381 109 140 1639 1105 9.42 XXX XXX 700 1.70 1.62 658 29 255 29 23 434 368 46 433 109 163 1860 1094 9.16 XXX XXX 800 1.92 1.83 740 29 288 32 26 488 415 52 484 109 187 2080 1085 8.97 XXX XXX 900 2.12 2.03 822 29 318 36 29 543 459 57 531 109 210 2290 1082 8.77 XXX 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 cost From 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 $/TKm XXX XXX 100 0.40 0.32 158 3517 121 16 12 104 87 138 109 23 610 1526 1.73 XXX XXX 200 0.63 0.55 249 3517 192 25 20 164 137 202 109 47 895 1414 1.27 XXX XXX 300 0.87 0.78 331 3517 263 34 27 218 188 266 109 70 1174 1355 1.11 XXX XXX 400 1.07 0.98 412 3517 324 41 33 272 231 320 109 93 1424 1335 1.01 XXX XXX 500 1.28 1.20 493 3517 390 50 40 325 278 380 109 117 1688 1315 0.96 XXX XXX 600 1.48 1.40 575 3517 450 58 46 380 321 435 109 140 1938 1307 0.92 XXX XXX 700 1.70 1.62 658 3517 516 66 53 434 368 494 109 163 2204 1296 0.89 XXX XXX 800 1.92 1.83 740 3517 582 74 60 488 415 553 109 187 2468 1288 0.88 XXX XXX 900 2.12 2.03 822 3476 643 82 66 543 459 608 109 210 2719 1284 0.86 XXX XXX 1000 2.33 2.25 901 3394 708 91 72 595 506 668 109 233 2981 1278 0.85
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