Jetstream 41
General Data
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
Contents
Introducing
the Jetstream 41
The Jetstream 41 was designedto 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 Services Club Jetstream Inc Morgan Jet
Northstar Aviation Trans States Airlines
Eastern Airways
HKG Government Services
Origin Pacific
Royal Thai Army Yeti Airlines SA Airlink
Airlink Swaziland Mozambique 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.
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
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 9ft3per passenger
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 galley
30 seat layout without galley
31” or 30” seat pitch
Large fwd carry-on stowage
The overall baggage capability on the Jetstream 41 is over 0.25m3/
9ft3per passenger.
Rear baggage bay of
4.8m3/ 170ft3capacity with
large 1.22 x 1.32m/ 48” x 52”door
Carry on stowage with 0.61m3/ 21.5ft3volume
Additional stowage with 0.22m3/ 7.9ft3volume
Ventral baggage pod with 1.35m3/ 47.5ft3volume for
extra loading flexibility and ideal for both checked and tagged carry on baggage
Freighter
Aircraft
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.RogersFreighter
Compatability
1.346 m 4ft 5in 1.295 m 4ft 3inThe 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
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.
Possible 19 seat corporate layout
Technical
overview
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 designedaround 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
• 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 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
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
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.
Prestwick
Headquarters, Operations
(Engineering and Support), Admin
Woodford
Customer Training, Engineering
Weybridge
European Logistics Centre (ELC) primary spares distribution centre
Hatfield
Asset Management
Washington
Customer Support (Americas) Asset Management,
Spares warehousing
Cincinnati
Repair & Overhaul facility
PRESTWICK HATFIELD WEYBRIDGE WOODFORD NORTH AMERICA WASHINGTON CINCINNATI
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.
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 each
calendar day
Pre-Departure
Completed prior to each aircraft
departure
Daily Check
Within 24 hours preceding first flight
Service Check
Intervals not exceeding 3 days
A Check
Every 300 flight hours
PART RETURNED
TO BAE SYSTEMS
Airframe
maintenance -
MACRO
PART BECOMES
UNSERVICABLE
REPLACEMENT
FROM ONSITE
REPLACEMENT
FROM POOL
REPLENISH
ONSITE
R & O
LOOP.
Airframe rotable sparesprovisioning 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.
ONSITE STOCK ROTABLE REPAIRS BAE SYSTEMS POOL 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 ofservices 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
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-OFF TTL APR TTL 1650SHP v 1500 SHP @ SEA LEVEL ISA Sea levelJetstream 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
3000
Runway Length (m)
TO
W
(
k
g)
1500SHP
1650SHP
°
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
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) P a y loa d ( k g)
Jetstream 41
Payload Range
29 pax @ 95 kgs
559 nm 1,035 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) P a y loa d ( k g)
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 ownership
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
Variable costs
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 $10/Tonne of MTOW
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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