Approved Maintenance Organization (AMO)

Approved Maintenance Organization (AMO)

Repair station


The International Civil Aviaiton Organisation (ICAO) defines an approved maintenance organization (AMO) as: "An organization approved by a Contracting State, in accordance with the requirements of Annex 8, Part II, Chapter 6 — Maintenance Organization Approval, to perform maintenance of aircraft, engine, propeller or parts thereof and operating under supervision approved by that State."

The definition can be found in ICAO Doc 9760, Airworthiness Manual, Fourth Edition, 2020.

Part 145 Maintenance Organisational Approval

Part 145 is the European standard for the approval of organisations that perform maintenance on aircraft and aircraft components that are registered in European Union Aviaton Safety Agency (EASA) Member States.

Part 145 also refers to the section of the U.S. Code of Federal Regulations that describes how to obtain a repair station certificate and contains the rules a certificated repair station must follow. The term "repair station" refers to a maintenance facility that has a certificate issued by the U.S. Federal Aviation Administration under Part 145 of the Code of Federal Regulations.

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