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The M.E.L. (Minimum Equipment List) shall be established by:
  • A
    the state of the operator
  • B
    the operator
  • C
    the aircraft state of registry
  • D
    the aircraft manufacturer

ICAO Annex 6

Master minimum equipment list (MMEL). A list established for a particular aircraft type by the organization responsible for the type design with the approval of the State of Design containing items, one or more of which is permitted to be unserviceable at the commencement of a flight. The MMEL may be associated with special operating conditions, limitations or procedures.

Minimum equipment list (MEL). A list which provides for the operation of aircraft, subject to specified conditions, with particular equipment inoperative, prepared by an operator in conformity with, or more restrictive than, the MMEL established for the aircraft type.


  • The manufacturer draws up a Master Minimum Equipment List (MMEL). The MEL (Minimum Equipment List) is drawn up by the operator and cannot be less restrictive than the MMEL.

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