Yakovlev Yak-4 - Specifications (Yak-4)

Specifications (Yak-4)

Data from Gunston, The Osprey Encyclopaedia of Russian Aircraft 1875–1995

General characteristics

• Crew: two
• Length: 10.18 m (33 ft 5 in)
• Wingspan: 14.00 m (45 ft 11 in)
• Height: m (ft)
• Wing area: 29.4 m² (316 ft²)
• Empty weight: 4,560 kg (10,053 lb)
• Loaded weight: 6,115 kg (13,481 lb)
• Max. takeoff weight: kg (lb)
• Powerplant: 2 × Klimov M-105 V12 engines, 821 kW (1,100 hp each) each

Performance

• Maximum speed: 533 km/h (331 mph)
• Range: 925 km (548 miles)
• Service ceiling: 9,700 m (31,824 ft)

Armament

• 2 × 7.62 mm ShKAS machine guns
• up to 600 kg (1,300 lb) of bombs