民用飞机在试飞期间通常会发生各种各样的故障,故障发生后是否能高效定位、处置或评估,将直接影响试飞安全和项目计划,试飞现场故障的处理需要建立一套行之有效的方法,为故障的处理提供指导。该文根据某型号民用飞机试飞的经验,建立了一套试飞故障处置方法,为国内民机试飞期间故障处理提供参考。 Civil aircraft usually have a variety of faults during the test flight. Whether the fault can occur after the accident is effectively located, handled or evaluated will directly affect the test flight safety and project planning. The troubleshooting of the test flight site needs to establish a set of effective methods , To provide guidance on the handling of faults. According to the test flight experience of a certain type of civilian aircraft, this paper established a set of methods for handling flight failures, which provides a reference for the troubleshooting during civil flight test in China.