What is ADIRU de secours?
In this glossary, ADIRU de secours refers to: Independent backup ADIRU providing attitude, heading, and air-data when primary systems are degraded or failed.
How is ADIRU de secours used in aviation?
In aviation communication, this term appears in contexts such as: "Approche, SKY 521, sur ADIRU de secours, précision réduite, demandons guidage final."
Why does ADIRU de secours matter in aviation?
ADIRU de secours 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 ADIRU de secours?
ADIRU de secours is mainly used by Pilots, Air Traffic Controllers, and Cabin Crew.
What category does ADIRU de secours belong to?
In this glossary, ADIRU de secours 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.