The earliest helicopter in China was designed by Zhu Jiaren in 1944. 1in the autumn of 945, "Hummingbird -A single-seat helicopter" was successfully developed, with * * * axis twin rotors. Hummingbird B helicopter 1948 was successfully developed in July. This helicopter has an engine power of 9 1.7 kW, a rotor diameter of 7.62 meters, a height of 2.63 meters, a total weight of 725.5 kilograms, a maximum flight speed of 136 km/h and a range of 2 19 km. 195 1 year, Zhu jiaren built CJC-3 "flying banana" helicopter.

The first helicopter produced in New China was Zhi -5, which was copied by Hafei in 1958 according to the complete set of drawings provided by the Soviet Union;

The first helicopter we designed ourselves was "Yan 'an II";