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BRAND and MODEL
YAKOVLEV YAK 11
TYPE
Two-seat intermediate military trainer
ORIGIN
Union of Soviet Socialist Republics
ENGINE
One 507 kw (680 hp) Shvetsov Ash-21 seven-cylinder air-cooled radial engine
SPECIFICATIONS
Wingspan: 9.4 m (30 ft 10 in)
Length: 8.5 m (27 ft 10¾ in)
Height: 3.28 m (10 ft 9 in)
Wing area: 15.4 m² (165.6 sq ft)
Max speed at sea level: 424 km/h (263 mph)
Max speed at 2,250 m (7,380 ft): 460 km/h (285 mph)
Economical cruising speed at 1,707 m (5,600 ft): 323 km/h (205 mph)
Initial rate of climb: 540 m/min (1,722 ft/min)
Service ceiling: 7,100 m (23,290 ft)
Range: 1,290 km (800 miles)
Take-off run: 470 m (1,542 ft)
Landing run: 500 m (1,640 ft)
Empty weight: 1,900 kg (4,190 lb)
Useful load: 644 kg (1,419 lb)
Loaded weight: 2,400 kg (5,290 lb)
PHOTO
planespotters.net:Source of phothograph
