History

The Sukhoi Su-25 Grach
(Russian: ???? (rook); NATO reporting name: Frogfoot

is a single-seat, twin-engine jet aircraft developed in the Soviet Union by Sukhoi. It was designed to provide close air support for the Soviet Ground Forces. The first prototype made its maiden flight on 22 February 1975. After testing, the aircraft went into series production in 1978 at Tbilisi in the Georgian Soviet Socialist Republic.

General Characteristics

•Crew: 1
•Length: 15.53 m (50 ft 11 in) (including nose probe)
•Wingspan: 14.36 m (47 ft 1 in)
•Height: 4.8 m (15 ft 9 in)
•Wing area: 33.7 m2 (363 sq ft)
•Empty weight: 9,800 kg (21,605 lb)
•Gross weight: 14,440 kg (31,835 lb)
•Max takeoff weight: 19,300 kg (42,549 lb)
•Powerplant: 2 × Soyuz/Tumansky R-195 turbojet engine, 44.18 kN (9,930 lbf) thrust each

Performance

•Maximum speed: 975 km/h (606 mph, 526 kn)
•Maximum speed: Mach 0.79
•Range: 1,000 km (620 mi, 540 nmi)
•Combat range: 750 km (470 mi, 400 nmi) at sea level with 4,400 kg (9,700 lb) of ordnance and two external fuel tanks
•Service ceiling: 7,000 m (23,000 ft)
•g limits: +6.5
•Rate of climb: 58 m/s (11,400 ft/min)

Photos

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