Basic ATC
The altimeter subscale setting that causes the altimeter to read elevation above mean sea level at an airfield. Used primarily below transition altitude.
Quick answer: The altimeter subscale setting that causes the altimeter to read elevation above mean sea level at an airfield. Used primarily below transition altitude.
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The altimeter subscale setting that causes the altimeter to read elevation above mean sea level at an airfield. Used primarily below transition altitude.
QNH（气压设定值） matters because it supports clear communication in Basic ATC 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, QNH（气压设定值） refers to: The altimeter subscale setting that causes the altimeter to read elevation above mean sea level at an airfield. Used primarily below transition altitude.
In aviation communication, this term appears in contexts such as: "塔台：Lufthansa 247，QNH 1016，获准在25右跑道着陆。"
QNH（气压设定值） matters because it supports clear communication in Basic ATC 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.
QNH（气压设定值） is mainly used by Pilots, Air Traffic Controllers, and Cabin Crew.
In this glossary, QNH（气压设定值） is grouped under Basic ATC. 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.
The altimeter subscale setting that causes the altimeter to read elevation above mean sea level at an airfield. Used primarily below transition altitude.
Tower: Lufthansa 247, QNH 1016, cleared to land runway 25 right.
QNH（气压设定值）
塔台：Lufthansa 247，QNH 1016，获准在25右跑道着陆。
English reference definition
ICAO Doc 9432, FAA PCG
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