According to the China Civil Aviation Regulations Part 25 " Airworthiness standards for transport category aircraft" (CCAR-25-R3) of the regulations, aircraft fuel system should be meet demand supplying oil to engine under a variety of the flight attitude. The negative acceleration of the aircraft is the measures used in case of emergency, so the aircraft fuel system work in the state of the negative acceleration is very important. The civil aircraft fuel system of negative acceleration flight test methods and procedures are set forth; and analysed test results of a negative acceleration of civil aircraft fuel system through the flight parameters, engine parameters, fuel system parameters, for accumulating experience on a civil aircraft fuel system supply performance of negative acceleration.%根据中国民用航空规章第25部《运输类飞机适航标准》(CCAR - 25 - 1R3)的规定,飞机燃油系统应该在各种飞行姿态下满足发动机供油的要求.飞机负加速度飞行是飞机在紧急情况下所采用的应急措施,因此考核飞机在负加速度状态下燃油系统的工作情况是十分重要的.阐述了民机燃油系统负加速度飞行试验的方法、程序;并通过飞行参数、发动机参数,燃油系统参数对某民机燃油系统负加速度供油试验结果进行了细致分析,为民用飞机燃油系统负加速度供油性能试验积累了经验.
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