Photo shows a fifth prototype of China's large passenger jet C919 taking off from a runway at Shanghai Pudong International Airport, Oct. 24, 2019. Ater 97 minutes of flight, the 5th C919 jumbo jet completed several tests and initial control checks on aircraft systems. (Photo/China News Service)
Photo shows a fifth prototype of China's large passenger jet C919 taking off from a runway at Shanghai Pudong International Airport, Oct. 24, 2019. Ater 97 minutes of flight, the 5th C919 jumbo jet completed several tests and initial control checks on aircraft systems. (Photo/China News Service)
The first four C919 test jets - the 101, 102, 103 and 104 - are undergoing more test flights, static tests, and other ground tests at several testing bases, including Yanliang district in Xi'an, Shaanxi province, Dongying in Shandong province and Nanchang in Jiangxi province. (Photo/China News Service)
