Advanced ATC
การตรวจสอบบำรุงรักษาหนักระดับ D
An extensive, scheduled maintenance inspection that involves major disassembly, overhaul, and comprehensive structural and systems checks, typically performed every 6–12 years to ensure long-term airworthiness (ICAO Doc 9760, FAA Part 43).
Quick answer: An extensive, scheduled maintenance inspection that involves major disassembly, overhaul, and comprehensive structural and systems checks, typically performed every 6–12 years to ensure long-term airworthiness (ICAO Doc 9760, FAA Part 43).
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Quick answer
An extensive, scheduled maintenance inspection that involves major disassembly, overhaul, and comprehensive structural and systems checks, typically performed every 6–12 years to ensure long-term airworthiness (ICAO Doc 9760, FAA Part 43).
Why it matters
การตรวจสอบบำรุงรักษาหนักระดับ D matters because it supports clear communication in Advanced 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.
Editorial context
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Definition
An extensive, scheduled maintenance inspection that involves major disassembly, overhaul, and comprehensive structural and systems checks, typically performed every 6–12 years to ensure long-term airworthiness (ICAO Doc 9760, FAA Part 43).
Operational example
The D-Level Heavy Maintenance Inspection requires the aircraft to be removed from service for several weeks and involves extensive airframe overhaul.
Localized term
การตรวจสอบบำรุงรักษาหนักระดับ D
Localized example
การตรวจสอบบำรุงรักษาหนักระดับ D ต้องนำเครื่องบินออกจากบริการหลายสัปดาห์และมีการยกเครื่องโครงสร้างอย่างละเอียด
Definition language
English reference definition
Source
ICAO Doc 9432, FAA PCG
Exam relevance
- ICAO Level 4
- ICAO Level 5
- ICAO Level 6
- EASA FCL.055
Target audience
- Pilots
- Air Traffic Controllers
- Cabin Crew
