The reporter learned from the aviation industry group that at 8:08 on May 28, 2022, the ac352 medium-sized multi-purpose helicopter took off from Jiansanjiang wetland airport for a long-distance route operation transition test flight. After a flight of 616 kilometers, it landed steadily at Harbin Pingfang airport at 10:22, marking the successful completion of the special test flight for the function and reliability of the aircraft. The flight test results show that all components and equipment of ac352 helicopter work normally.
The function and reliability test flight aims to systematically check the function and reliability of ac352 helicopter components and equipment. During the function and reliability test flight, the ac352 helicopter flew for more than 5 hours a day. After the daily long endurance flight test, it focused on the inspection and test flight under the visual flight rules and instrument flight rules in the day and night environment. During the flight test, all systems including avionics system, power unit, fuel system, hydraulic system, etc. were checked, and all components and equipment worked normally.
Ac352 helicopter is an advanced medium-sized multi-purpose helicopter. It made its first flight on December 20, 2016 and officially entered the applicant's verification test flight in November 2019. The development of this model fills the gap of 7-ton civil helicopter products in China, and is of great significance to the capacity upgrading of domestic helicopter industry. The completion of the special flight test of function and reliability means that the airworthiness certification of ac352 helicopter enters the countdown.
According to the previous news, the ac352 helicopter has a maximum takeoff weight of 7500kg, a maximum economic cruise speed of 280 km / h and a maximum range of more than 1000 km
At the same time, the service life of the rotor system and fuselage of ac352 helicopter can reach 20000 hours, and the overhaul interval of the transmission system and engine can reach 5000 hours, greatly reducing the user's use cost.