Cabin Safety
A secondary or backup emergency exit designated for use when a primary exit is unusable during evacuation.
Quick answer: A secondary or backup emergency exit designated for use when a primary exit is unusable during evacuation.
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A secondary or backup emergency exit designated for use when a primary exit is unusable during evacuation.
备用出口 matters because it supports clear communication in Cabin Safety contexts for Pilots, Air Traffic Controllers, and Cabin Crew. It also connects to aviation training and exam language such as ICAO Level 4, ICAO Level 5, ICAO Level 6, and EASA FCL.055.
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Questions and answers
In this glossary, 备用出口 refers to: A secondary or backup emergency exit designated for use when a primary exit is unusable during evacuation.
In aviation communication, this term appears in contexts such as: "如指定出口受阻或不安全，请乘客使用备用出口。"
备用出口 matters because it supports clear communication in Cabin Safety contexts for Pilots, Air Traffic Controllers, and Cabin Crew. It also connects to aviation training and exam language such as ICAO Level 4, ICAO Level 5, ICAO Level 6, and EASA FCL.055.
备用出口 is mainly used by Pilots, Air Traffic Controllers, and Cabin Crew.
In this glossary, 备用出口 is grouped under Cabin Safety. Related pages in this category explain adjacent procedures, commands and operational concepts.
This definition is sourced from ICAO Doc 9432, FAA PCG and published by Protermify Aviation as a static aviation reference page.
A secondary or backup emergency exit designated for use when a primary exit is unusable during evacuation.
Direct passengers to use the alternate exit if their assigned exit is blocked or unsafe.
备用出口
如指定出口受阻或不安全，请乘客使用备用出口。
English reference definition
ICAO Doc 9432, FAA PCG
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