1980 10 the State Council approved the contract for exclusive production of French SA365 dolphin helicopter in the form of technology and trade. Hafei was specifically responsible for introducing the French patent of SA365N 1 "Dolphin" helicopter, and began to produce Zhi -9, 1982, and completed the assembly of the first helicopter. After long-term efforts, Hafei has developed several models, including the basic Zhi -9, which was originally patented. By the end of 1990, all 50 aircraft contracted with France had been produced, including 28 basic straight-9 aircraft; In addition, there are 20 Zhi -9A, which will continue to be produced after Zhi -9, equivalent to SA365N2；; Subsequently, Hafei produced two Zhi -9A- 100, and initially tried the domestic production of Zhi -9. 1September 1993, Hafei signed a contract with France to produce 22 Zhi -9 transitional batches, and Hafei also produced 8 Zhi -9 civilian models.
The "Wuzhi 10" project is mainly undertaken by Harbin Aircraft Manufacturing Company (HAMC), and also developed by western countries, such as Ruyi, Germany and France.
Captain:14.10m
Machine height: 3.84m.
Empty weight: 5 100 kg
Rotor diameter:13.00m.
Range: 1 120km.
Maximum takeoff weight: 6000 kg
Tail rotor diameter: 2.58m.
Climbing rate: 1 1/ sec.
Service limit: 6400 meters.
Effective hovering upper limit:? rice
Cruise speed: 1 15km.
Upper limit of non-ground effect hovering: 2000 meters
Top speed: 258-295km.
Battery life (25 minutes remaining oil) 3 hours and 45 minutes.