自吸油试飞是直升机及动力装置试飞的重要科目之一,首先对自吸油试飞特点及试验关键因素进行分析,得出飞行高度、飞行速度、燃油温度、飞行过载等是影响自吸油试飞的关键因素,提出试验方案,对后续相关科目的试验提供参考和安全保障。 Self-suction flight test is one of the important subjects of helicopter and power unit test. Firstly, the characteristics of self-suction test flight and the key factors of test are analyzed. It is concluded that the flight altitude, flight speed, fuel temperature and flight overload are the key factors , Proposed the test plan, to provide the reference and the security guarantee for the follow-up related subjects test.