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Aviation History
1991
1991 - 2903.PDF
REGIONAL AIRCRAFT DIRECTORY Key to tables Full technical and performance data on most of the aircraft in this directory begin on this page. To allow easier comparison between competing types, the aircraft are listed in ascending order of seating capacity. The data have been collated primarily from manufactur ers' information. While care has been taken over the preparation of the data tables, they are intended only as a guide to each type's main characteristics. Accommodation This section gives typical passenger numbers in commuter-type layout. The aircraft vary widely in cross-section; seat pitch and number abreast giving only a rough indication of comfort standards. Actual inte rior configurations in commuter service can also vary widely but, in general, only the larger types of about 18 seats and above offer a toilet or galley as standard and fitting these luxuries may involve the removal of one or more seats ( in some of the smaller types. Powerplant data comprise the number and power of the engines, the manufacturer's designation and the type of power source. Overall dimensions and landing gear di mensions are given mainly in metric units, followed by Imperial equivalents in brackets. Load classification number (LCN), where given, is for rigid runway pavement with a radius of relative stiffness of 76cm. Weights and fuel capacity The weights shown are the maximum permitted for ramp depar ture, take-off, landing and with zero fuel. Operating weight empty is a typical value for a passenger commuter configuration, includ ing crew and normal operators' items, except in the case of some of the smaller general- aviation types, where equipped empty weight (EEW) is given. Fuel figures, in litres and Imperial gallons, are for standard internal fuel. Optional extra fuel capacity is noted where this is available. Airfield performance is listed for four different temperature and altitude cases covering ISA standard day and +20°C and sea-level and 5,000ft (1,524m) in turn. For transport cte- gory aircraft of over 5,700kg (12,5001b in the USA) max take-off weight (TOW), take-off and landing distances correspond to fully factored requirements for much of the world. For the lighter types the performance data is un- faclored gross performance which may or may not need adjustment for public transport operations. Speeds V2 is the take-off safety speed at maximum TOW; VAT the target threshold speed at maximum landing weight; VN0 (VN0 in the US) is the maximum and the normal operating speed; while VNE is the "never exceed" speed. Speeds generally are given in knots and km/h indicated, although some values may be in either calibrated or equiva lent airspeed. Cruise performance shows the speed, the altitude and, where available, the fuel con sumption (cons.) for up to three sets of cruise conditions corresponding in turn to a max imum-speed cruise, a cost-economical cruise and a long-range cruise. Those aircraft without pressurisation to maintain cabin altitude have been limited to a maximum cruise altitude of 10,000ft. Payload range is under ISA still-air en route conditions with no reserve fuel provisions. Obviously this is not a practicable operating procedure and the figures are only shown in this way in an effort to try and ensure true comparability. In service these maximum ranges would be reduced considerably, the precise extent of the reduction depending on the reserve-fuel policy adopted by the airline or required by the regulatory authority. The figures quoted also relate to the assumed operating weight and to the standard fuel capacity. A represents figures for maximun payload (kg) over range (km) at cost-economical cruise. B represents full-tanks payload (kg) over range (km) at long range cruise. Type Powerplant Span (m) Track (m) Max seats Length (m) Wheelbase (m) Pitch (cm) Height (m) Overall turn No. abreast Wing area (m2) radius(m) Hold volume (m») Wing sweep (°) Pressure diff (bar) Pilatus Britten-Norman BN-2B-26 Islander 2 x 190kW Lycoming 0 540-E4C5 piston engines 14.92 3.6 9 10.9 4.0 74 3.94 9.4 2 30.3 1.21 Nil Nil Pilatus Britten-Norman BN-2T Turbine Islander 2 x 298kW Allison 250-B17C turboprops 14.92 3.6 9 10.9 4.0 74 3.94 9.4 2 30.3 1.21 • Nil -- Nil Partenavia AP-68TP-600 2 x 243kW Allison 250-B17C turboprops 12 2.16 9 11.49 3.51 3.64 10.36 2 18.6 0.65 Nil Nil Weights: (kg) Ramp Take-off Landing Zero-fuel Ops-empfy 2,995 2,995 2.995 2,860 1,865 3,175 3,175 3;090 2,995 1,830 3,025 2,999 2,849 2,549 1,680 Fuel: Standard Optional (litres) 518 855 855 — 844 — FAR field lengths @ gross weight (m) Take-off: 1 anriinn: ISA, s.l. ISA, 20°C,s.l. ISA, 5,000ft ISA, 20°C, 5,000ft 355 385 520 550 380 410 545 580 600 900 — - ISA, S.I. ISA 20°C, S.l. ISA, 5,000ft ISA, 20°C, 5,000ft 300 315 355 375 340 36Q 405 425 500 — — — Speeds: (kt v2 VAT VNO/MNO VNE/MNE 55 60 140 185 60 65 150 195 -141 ,200 , Cruise performance Maximum cruise Speed (kt) Altitude (ft) Fuel cons. (kg/h) 135 8,000 75 170 10,000 180 2!4 8,000 179 Cost economical Speed (kt) Altitude (ft) Fuel cons. (kg/h) 130 8,000 65 150 10,000 140 208 8,000 167 Long range Speed (kt) Altitude (ft) Fuel cons. (kg/h) 125 8,000 60 130 10,000 105 170 8,000 123 Payload range performance A (kt) A (km) B (kt) B (km) 930 390 690 1,250 1,115 260 610 1,385 869 909 670 1,434 Agusta Siai Marchetti SF.600TP Canguro/Kangaroo 2 x335kW Allison 250-B17F turboprops 15 2,4 9 12.1 4.88 - 3,400 4.6 2 24 - 3,970 Nil Nil 1,875 Beech Super King Air B200 2 x 629kW P&WC PT6A-42 turboprops 16.61 5.23 10 5,710 13.34 4.56 71 5,670 4.57 -- . 2 5,670 28.1 -- 4,99 Nil - 0.44 3,419 1,100 2,059 2,460 287 /85 280 867 165 165 5,000 600 260 289 25,000 261 282 25,000 240 1,571 1,418 525 3,570 FLIGHT INTERNATIONAL 6 - 12 November, 1991 49
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