Master Minimum Equipment List/Minimum Equipment List Policy and Procedures Manual - TP 9155


This manual contains all the relevant information with respect to the philosophy, development and approval of the Master Minimum Equipment List (MMEL) and Minimum Equipment List (MEL).

A Master Minimum Equipment List (MMEL) is an approved document created specifically to regulate the dispatch of an aircraft type with inoperative equipment. It establishes the aircraft equipment allowed to be inoperative under certain conditions for a specific type of aircraft and forms the basis for MEL.

Who this guide is for

  • Air operators and private operators
  • Transport Canada Civil Aviation (TCCA) Employees
  • Manufacturers
  • Training providers
  • Individuals or organizations exercising privileges granted to them under an External Ministerial Delegation of Authority

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In this guide

  • Legal basis for the MMEL/MEL
  • MMEL policy and procedures including updates
  • MEL development for operators and TC, including approval and administration processes
  • New initiatives including non-essential furnishings, item and categorization related changes
  • New Minister’s Delegate for MEL approvals – description of authority, limitations and oversight
  • Reorganization and updates of all appendices

Details and history

Edition: Third edition
Published: February 2021
Updated: June 2021

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