MEL and CDL MEL and CDL
Error between magnetic compass indication and actual magnetic heading exceeding permissible limits; requires calibration swing.
Quick answer: Error between magnetic compass indication and actual magnetic heading exceeding permissible limits; requires calibration swing.
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Error between magnetic compass indication and actual magnetic heading exceeding permissible limits; requires calibration swing.
Compass deviation 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.
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Questions and answers
In this glossary, Compass deviation refers to: Error between magnetic compass indication and actual magnetic heading exceeding permissible limits; requires calibration swing.
In aviation communication, this term appears in contexts such as: "Tower, TANGO three zero, compass deviation exceeds limits after maintenance; request back-taxi for compass swing calibration."
Compass deviation 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.
Compass deviation is mainly used by Pilots, Air Traffic Controllers, and Cabin Crew.
In this glossary, Compass deviation is grouped under MEL and CDL MEL and CDL. 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.
Error between magnetic compass indication and actual magnetic heading exceeding permissible limits; requires calibration swing.
Tower, TANGO three zero, compass deviation exceeds limits after maintenance; request back-taxi for compass swing calibration.
English reference definition
ICAO Doc 9432, FAA PCG
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