Aviation English
MEL and CDL MEL and CDL

What is Certified release to service?

Certified release to service Formal written declaration by licensed engineer that aircraft or component is airworthy and fit for return to operation.

Source: ICAO Doc 9432, FAA PCG

How is “Certified release to service” Used in Practice?

Maintenance signed certified release to service after landing gear actuator replacement; aircraft returned to line.

Certification Exam Relevance

ICAO Level 4ICAO Level 5ICAO Level 6EASA FCL.055

Who Needs to Know This Term?

  • Pilots
  • Air Traffic Controllers
  • Cabin Crew

Related Aviation English Terms

Technical Dispatch SheetA-Level Maintenance InspectionC-Level Maintenance InspectionATA chapter reference

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Frequently Asked Questions

What is Certified release to service?

Formal written declaration by licensed engineer that aircraft or component is airworthy and fit for return to operation.

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