决断高度 (DH: Decision Height)
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定义
The altitude during a precision approach at which the pilot must decide to land or go around
相关术语
进近程序 (Approach Procedure)
A series of maneuvers used to align an aircraft with a runway for landing
云底高 (Ceiling)
The height of the lowest layer of clouds covering more than half the sky
下滑道 (GS: Glideslope)
The vertical component of an ILS providing descent guidance to the runway
复飞 (Go-Around)
An aborted landing where the aircraft applies full power and climbs away from the runway
仪表着陆系统 (ILS: Instrument Landing System)
A precision approach system using radio signals to guide aircraft to a runway in poor visibility
复飞程序 (Missed Approach)
A procedure followed when an aircraft cannot complete a landing approach safely
能见度 (VIS: Visibility)
The greatest distance at which prominent objects can be identified with the unaided eye