Crew: 1 (basic), 2 (trainer variant)[11]
Length: 16.43 m [27] (53 ft 10 in)
Wingspan: 9.75 m [27] (31 ft 11 in)
Height: 4.78 m (15.7 ft)
Wing area: 39 m² (419.8 ft²)
Empty weight: 9,750 kg (21,495 lb [40])
Loaded weight: 14,876 kg (32,797 lb)
Useful load: 4,500 kg[41][42] (9,920 lb)
Max takeoff weight: 19,277 kg (42,500 lb[11])
Powerplant: 1 × Saturn-Lyulka AL-31FN or WS-10A Taihang turbofan
Dry thrust: 79.43 kN / 89.17 kN (17,860 lbf / 20,050 lbf)
Thrust with afterburner: 122.5 kN[11] / 132 kN (27,557 lbf / 29,101 lbf)
Performance
Maximum speed: Mach 2.2 at altitude,[27][43] Mach 1.2 at sea level[7]
g-limits: +9/-3 g (+88/-29 m/s², +290/-97 ft/s²[7])
Combat radius: 1600 km[44] with in-flight refueling
1100 km without in flight refueling[33] ()
Ferry range: 3200 km [33] ()
Service ceiling: 20,300 m [33] (66,601 ft [33][45])
Wing loading: 335 kg/m² (69 lb/ft²)
Thrust/weight: 0.98 (with AL-31); 1.03 (with WS-10A)
Armament
Guns: 1× 23mm twin-barrel cannon
Hardpoints: 11 in total (6× under-wing, 5× under-fuselage) with a capacity of 6,000 kg (13,228 lb) external fuel and ordnance [30]
Rockets: 90 mm unguided rocket pods
Missiles:
