C919 AC104 flew to Yanliang, Xi'an for a new phase of flight test on September 20th, 2019. The aircraft took off from Dongying Shengli Airport in Shandong province at 14:59 in the afternoon, and landed smoothly at Yanliang airport of Xi'an at 16:48 after a flight of 1 hour and 49 minutes. Crew members of this flight include Test Pilots Zou Lixue, Wu Xin and Nie Fei, and Flight Test Engineers Wang Jiayi and Li Chang.