The Sukhoi PAK FA (Perspektivny aviatsionny kompleks frontovoy aviatsii, literally “Prospective Airborne Complex of Frontline Aviation”) is a twin-engine jet fighter being developed by Sukhoi OKB for the Russian Air Force.
The current prototype is Sukhoi’s T-50. The PAK FA, when fully developed, is intended to be the successor to the MiG-29 and Su-27 in the Russian inventory and serve as the basis of the Sukhoi/HAL FGFA being developed with India.
Length: 19.8 m (65.9 ft)
Wingspan: 14 m (46.6 ft)
Height: 6.05 m (19.8 ft)
Wing area: 78.8 m2 (848.1 ft2)
Empty weight: 18,500 kg (40,785 lb)
Loaded weight: 26,000 kg (57,320 lb)
Useful load: 7,500 kg (combat load) (16,534 lb)
Max takeoff weight: 37,000 kg (81,570 lb)
Powerplant: 2 x New unnamed engine by NPO Saturn and FNPTS MMPP Salyut of 175 kN each. Prototype with AL-41F1 of 147 kN each, definitive version with new engine >157 kN
Fuel capability: 10,300 kg (22,711 lb)
Maximum speed: 2,100 - 2,500 km/h (Mach 2+) (1,300 - 1,560 mph) ; at 17,000 m (45,000 ft) altitude
Cruise speed: 1,850 - 2,100 km/h (1,150 - 1,300 mph)
Ferry range: 5,500 km (3417 miles)
Service ceiling: 20,000 m (65,616 ft)
Rate of climb: 350 m/sec (68,900 ft/min)
Wing loading: 330(normal) - 470(maximum) kg/m2 (67(normal) - 96(maximum) lb/ft2)
Maximum g-load: 10-11 g
Guns: None on prototype. Apparent provision for a cannon (most likely GSh-301). Possible two 30 mm cannons.
Hardpoints: Two internal bays Other sources suggest two auxiliary internal bays for short range AAMS and six external hardpoints
N050(?)BRLS AFAR/AESA built by Tikhomirov NIIP and based on Tikhomirov NIIP N035 Irbis-E. It will be the second aircraft based AESA Radar to be built by Russia, the first being the Phazotron NIIR ZHUK-A Radar in the MiG-35.