C919 AC105 took off from Shanghai Pudong International Airport at 11:05 and landed at Yaohu Lake Airport of Nanchang at 12:42 after a flight of 1 hour and 37 minutes on December 5th, 2019. Crew members of this flight test include test pilots Cai Jun, Nie Fei and Zou Lixue, and flight test engineers Wang Jiayi and Wang Haigang.

C919 AC105 which flew to Yaohu Lake Airport of Nanchang will mainly undertake the flight tests related to braking system scheduling, drainage, electrical power system, fire protection system and environmental control system, and the special flight tests related to high temperature, high humidity and extreme cold. As planned, Commercial Aircraft Corporation of China, Ltd. (COMAC) will put six test aircraft to comprehensively carry out the flight tests related to stall, power, performance, control stability, flight control, icing, high temperature and extreme cold; meanwhile, two aircraft for ground tests will respectively carry out the work such as static test and fatigue test.