MEL and CDL MEL and CDL
Independent backup ADIRU providing attitude, heading, and air-data when primary systems are degraded or failed.
Quick answer: Independent backup ADIRU providing attitude, heading, and air-data when primary systems are degraded or failed.
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Independent backup ADIRU providing attitude, heading, and air-data when primary systems are degraded or failed.
Standby ADIRU 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, Standby ADIRU refers to: Independent backup ADIRU providing attitude, heading, and air-data when primary systems are degraded or failed.
In aviation communication, this term appears in contexts such as: "Approach, SKY 521, on standby ADIRU, accuracy reduced, request vectors to final."
Standby ADIRU 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.
Standby ADIRU is mainly used by Pilots, Air Traffic Controllers, and Cabin Crew.
In this glossary, Standby ADIRU 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.
Independent backup ADIRU providing attitude, heading, and air-data when primary systems are degraded or failed.
Approach, SKY five two one, now on standby air-data inertial reference unit, navigation accuracy reduced, requesting vectors to final.
English reference definition
ICAO Doc 9432, FAA PCG
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