地面迫近警告系统 Ground proximity warning system
（重定向自EGPWS）
地面迫近警告系统（英文：Ground Proximity Warning System，缩写：GPWS），又称近地警告系统，是防止飞机因为离地过近而发生事故的系统，与空中防撞系统搭配成为保护飞航安全的两大防线。
EGPWS
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英语百科
Ground proximity warning system 地面迫近警告系统
（重定向自EGPWS）
![The FAA specifications[19] have detailed requirements for when certain warnings should sound in the cockpit.](/uploads/202501/10/Faa-tso-c151b-sink-rate5752.png)
A ground proximity warning system (GPWS) is a system designed to alert pilots if their aircraft is in immediate danger of flying into the ground or an obstacle. The United States Federal Aviation Administration (FAA) defines GPWS as a type of terrain awareness warning system (TAWS). More advanced systems, introduced in 1996, are known as enhanced ground proximity warning systems (EGPWS), although sometimes called terrain awareness warning systems.
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