Aviation English
MEL and CDL MEL and CDL

What is operational procedure?

operational procedure A mandatory action or set of actions required by flight crew to safely operate an aircraft system, especially with an MEL/CDL item.

Source: ICAO Doc 9432, FAA PCG

How is “operational procedure” Used in Practice?

Follow the operational procedure in the MEL for dispatch with the affected equipment.

Certification Exam Relevance

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

Who Needs to Know This Term?

  • Pilots
  • Air Traffic Controllers
  • Cabin Crew

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Frequently Asked Questions

What is operational procedure?

A mandatory action or set of actions required by flight crew to safely operate an aircraft system, especially with an MEL/CDL item.

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