Sukhoi S-99

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Donald McKelvy
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Sukhoi S-99

Type: Four/five-seat multi-purpose light aircraft.

Program: Projected 1991 as high-performance lightplane offering greater comfort than usual in this category; power plant not specified, but probably turboprop; cabin pressurized to equivalent altitude of 2,400 m (7,875 ft) at cruising height.

Accommodation: Two front seats side by side; rear bench seat for two or three persons standard, with baggage space behind. Alternative configurations for pilot training, medical, patrol, and surveillance missions.

Dimensions external
Wing span: 13.80 m (45 ft 3.25 in)
Length overall: 9.00 m (29 ft 6 in)
Height overall: 3.20 m (10 ft 6 in)

Dimensions internal
Cabin length: 3.125 m (10 ft 3 in)
Cabin width: 1.54 m (5 ft 0.5 in)
Cabin height: 1.25 m (4 ft 1.25 in)
Cabin volume: 6.00 cu m (212 cu ft)

Areas
Wings, gross: 16.8 sq m (180.8 sq ft)

Weights and loadings
Operating weight, empty: 1,180 kg (2,600 lb)
Max fuel: 220 kg (485 lb)
Max payload: 400 kg (880 lb)
Max T-O weight: 1,800 kg (3,968 lb)
Max wing loading: 107.1 kg.sq m (21.95 lb/sq ft)

Performance (estimated)
Nominal cruising speed: 215 knots (400 km/h; 248 mph)
T-O run: 400 m (1,315 ft)
Landing run: 500 m (1,640 ft)
Range with max fuel, FAR reserves: 647 nm (1,200 km; 745 miles)

Text source: Lambert, Mark ed. Jane's All the World's Aircraft 1992-1993 Jane's Information Group Ltd. 1992 p. 246.


Image source: http://www.suchoj.com/ab1953/index.htm
 

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