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在我院Ces sna1 7 2R基本型飞机的飞行训练中,近两年已先后发生5起空中供电中断、通讯失效、地面不能跟踪飞机目标的不安全飞行故障现象。这不仅增加了飞行员的心理压力,对飞行安全造成较大威胁,也严重影响了1 7 2R基本型机队的正常飞行计划。本文在分析电瓶电量耗尽、飞机空中供电中断故障原因的基础上,提出了加装低电压音响警告系统这一简单、可行的解决方案,并于2009年5月完成了我院所有20架1 72R基本型飞机加装低电压音响警告系统的电路设计与加改装工作。通过近一年的使用,我院1 72R基本型飞机再未出现空中断电的问题。
In our Cesna1 7 2R basic aircraft flight training, in the past two years there have been 5 airborne power supply interruptions, communication failure, and the ground can not track the flight target of unsafe flight failures. This not only increased the pilots’ psychological pressure, posing a greater threat to flight safety, but also seriously affected the normal flight plan of the 1 7 2R basic type of fleet. Based on the analysis of battery exhaustion and the reason of the interruption of airborne power supply in aircraft, this paper presents a simple and feasible solution to the installation of low-voltage audio warning system. In May 2009, 72R basic aircraft installation of low-voltage audio warning system circuit design and modification work. Through nearly a year of use, our hospital 72R basic aircraft no longer appeared in the air power problem.