Aviation English
MEL and CDL MEL and CDL

What is Out-of-phase check?

Out-of-phase check Maintenance inspection not aligned with normal cycle, scheduled according to special interval or condition.

Source: ICAO Doc 9432, FAA PCG

How is “Out-of-phase check” Used in Practice?

Landing gear out-of-phase check required after hard landing, as per maintenance instruction.

Certification Exam Relevance

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

Who Needs to Know This Term?

  • Pilots
  • Air Traffic Controllers
  • Cabin Crew

Learn “Out-of-phase check” Free with Termify

Master Out-of-phase check and 4,071+ professional terms with native pronunciation, IPA transcriptions and career quizzes. 100% free, forever.

Download Free for iOS

Frequently Asked Questions

What is Out-of-phase check?

Maintenance inspection not aligned with normal cycle, scheduled according to special interval or condition.

Where can I learn this term for free?

Termify is a 100% free professional English app that teaches Out-of-phase check and 4,071+ other industry terms with native pronunciation, IPA transcriptions and career quizzes. Available on iOS in 23 languages. No subscription, no credit card required.

Last updated: