In November, an AC311A helicopter set an operation altitude record during flight mission in Shigatse, Tibet. The mission has validated the operational performance of AC311 in high altitude.
It took the crew 5 days to arrive at Shigatse from its Qinghai base, and then then crew reassembled the helicopter and restore the helicopter by airworthiness standard.
The mission includes 24 flights, and 9 flight hours accumulated. At the Dingri County Airport with an altitude of 4,400 meters, the AC311A helicopter carried out a test flight of load capacity at different temperatures to verify the climbing gradient and flight speed. The helicopter reaches a maximum flight altitude of 6,000 meters.