Zhi -9 light multipurpose helicopter was developed and produced by Harbin Aircraft Manufacturing Company with the introduction of French patents. It can be used for personnel transportation, maritime support, maritime rescue, aerial photography, maritime patrol, fish observation, forest protection and fire prevention, etc. , and can be used as carrier aircraft. Military applications include reconnaissance, close fire support, anti-tank, search and rescue, anti-submarine, reconnaissance and artillery correction, and communication. It is divided into military type and police type. The police model is equipped with search radar, GPS, searchlight, alarm, electric winch and related communication equipment, and its flight performance is greatly relaxed and reduced compared with other models of Zhi -9.