What is A类?
In this glossary, A类 refers to: A Minimum Equipment List category requiring rectification of an inoperative item within a time period specified in the MEL, usually before next flight.
How is A类 used in aviation?
In aviation communication, this term appears in contexts such as: "A类项目失效,需按最低设备清单规定修复。"
Why does A类 matter in aviation?
A类 matters because it supports clear communication in MEL and CDL MEL and CDL 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.
Who uses A类?
A类 is mainly used by Pilots, Air Traffic Controllers, and Cabin Crew.
What category does A类 belong to?
In this glossary, A类 is grouped under MEL and CDL MEL and CDL. Related pages in this category explain adjacent procedures, commands and operational concepts.
Where does this definition come from?
This definition is sourced from ICAO Doc 9432, FAA PCG and published by Protermify Aviation as a static aviation reference page.