C919已获得全球23家用户的570架订单,按单架售价5000万美元计算,总金额将达到285亿美元5月5日14:01,中国国产大飞机C919在接到塔台的指令后,从上海浦东机场第四跑道起飞。之后,它在空中飞行了80分钟后,顺利着陆。这也意味着C919成功完成首飞任务。整个首飞过程分5个阶段,分别是地面检查阶段、爬升阶段、平飞阶段、模拟进近、着陆和复飞阶段、着陆阶段。早些时候,中国商用飞机有限责任 C919 has been the world’s 23 users 570 orders, based on the single frame price of 50 million US dollars, the total amount will reach 28.5 billion US dollars At 14:01 on May 5, China-made large aircraft C919 received instructions from the tower, Take off from the fourth runway of Shanghai Pudong Airport. After it flew in the air for 80 minutes, it landed smoothly. This also means that C919 successfully completed its first flight mission. The first flight process is divided into 5 phases, namely ground inspection phase, climbing phase, leveling flight phase, simulated approach, landing and go-around phases, and landing phases. Earlier, China’s commercial aircraft limited liability