Chujiao-6 (Chinese code: HAIG CJ-6 factory code: PT6 English: Nanchang CJ-6) is a propeller primary trainer developed by China in the late 1950s. The aircraft has long been in service in the Chinese Air Force and local aviation schools, and is the main type of primary trainer aircraft of the Chinese Air Force.The aircraft is designed with two seats, lower single wing and first three-point landing gear. the power plant is a 285hp piston-6A (HS-6A) star air-cooled 9-cylinder engine with two-blade automatic variable pitch propellers. The fuselage, wing and tail stability surface of Chujiao-6 adopts all-metal structure, and only the aileron and rudder surface are covered with metal skeleton. This type is equipped with a full set of flight instruments, radio communication and navigation equipment.The Chu-6 made its maiden flight on July 27, 1958, finalized and produced five prototype aircraft in January 1962, and then delivered them to the army [5]. The Chu-6 trainer initially uses Czechoslovakia's AI-14P "Dolis-B" engine and matching propellers. Chujiao-6 mass production model is converted to Chinese Piston-6 (HS-6) engine with rated power of 198.5 kilowatts, equipped with "Endeavour-530s" automatic variable pitch double-blade all-metal propeller. By 2012, a total of 2576 aircraft of various types have been produced.In 1979, the Chujiao-6 aircraft won the China National quality Gold Award, becoming the first aircraft model in China to win this honor.