The Shenyang FC-31 Gyrfalcon (Chinese: 鹘鹰), also known as the J-31 is a Chinese prototype mid-sized twinjet 5th-generation fighter aircraft developed by Shenyang Aircraft Corporation (SAC). The official nickname published by SAC is "Gyrfalcon", though it has also been referred to as the "F-60" or "J-21 Snowy Owl" (Chinese: 雪鸮) in some media reports, or "Falcon Hawk" by some military enthusiasts.J-XX nomenclatures in the Chinese military are reserved for programs launched and financed by the People's Liberation Army, while the FC-31 plane was developed independently as a private project by the aircraft manufacturer.


General characteristics

Crew: one (pilot)
Length: 17.3 m (56 ft 9 in)
Wingspan: 11.5 m (37 ft 9 in)
Height: 4.8 m (15 ft 9 in)
Wing area: 50 m2 (540 sq ft) [67]
Max takeoff weight: 28,000 kg (61,729 lb) 
Powerplant: 2 × WS-13 afterburning turbofans, 87.2 kN (19,600 lbf) thrust each
Powerplant: 2 × WS-19[54] afterburning turbofans, 110 kN (24,000 lbf) thrust each

Maximum speed: Mach 1.8 at high altitude
Mach 1.14 (1,400 km/h, 870 mph) at sea level
Combat range: 1,200 km (750 mi, 650 nmi) on internal fuel, or 1,900 kilometres (1,200 mi) with aerial refueling
Service ceiling: 16,000 m (52,000 ft)
Hardpoints: 6 x external, and internal bay[69] with a capacity of up to 8,000 kilograms (18,000 lb),[70] including 2,000 kilograms (4,400 lb) internally[69]
Air-to-air missiles:
12 x medium-range
Air-to-ground missiles:
8 x supersonic
8 × 500 kg deep-penetration bombs
30 x smaller bombs
KLJ-7A[68] AESA radar
Distributed aperture system (DAS) optical early-warning system
Electro-optical targeting system (EOTS)

The maximum take-off weight of this J-31 increased from 25,000 kg to 28,000 kg


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