Aviation English
MEL and CDL MEL and CDL

What is placard?

placard An official sign or label installed in the cockpit or cabin to indicate equipment limitations, status, or required procedures per MEL or CDL.

Source: ICAO Doc 9432, FAA PCG

How is “placard” Used in Practice?

A placard has been installed next to the inoperative system as per MEL requirement.

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 placard?

An official sign or label installed in the cockpit or cabin to indicate equipment limitations, status, or required procedures per MEL or CDL.

Where can I learn this term for free?

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