MEL and CDL MEL and CDL
A unique identifier assigned to a deferred defect, MEL/CDL item, or maintenance entry for tracking and compliance.
Quick answer: A unique identifier assigned to a deferred defect, MEL/CDL item, or maintenance entry for tracking and compliance.
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A unique identifier assigned to a deferred defect, MEL/CDL item, or maintenance entry for tracking and compliance.
control number 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, control number refers to: A unique identifier assigned to a deferred defect, MEL/CDL item, or maintenance entry for tracking and compliance.
In aviation communication, this term appears in contexts such as: "Each deferred defect must be assigned a control number for recordkeeping."
control number 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.
control number is mainly used by Pilots, Air Traffic Controllers, and Cabin Crew.
In this glossary, control number 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.
A unique identifier assigned to a deferred defect, MEL/CDL item, or maintenance entry for tracking and compliance.
Each deferred defect must be assigned a control number for recordkeeping.
English reference definition
ICAO Doc 9432, FAA PCG
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