The Protocol to the Convention on International Interests in Mobile Equipment on matters specific to Aircraft Equipment (Protocol or AEP) was adopted on November 16th, 2001 and come into force on March 1st, 2006.[1] It was adopted during a diplomatic conference under the joint auspices of the International Institute for the Unification of Private Law (UNIDROIT) and the International Civil Aviation Organization (ICAO), at the invitation of the Government of South Africa, in Cape Town.[2]  At the closing ceremony of the diplomatic conference 53 States signed the Final Act.[3]  The protocol covers aircraft and aircraft engines, which under the Protocol are defined as “aircraft”, meaning aircraft as defined for the purposes of the Chicago Convention which are either airframes with aircraft engines installed thereon or helicopters, and  “aircraft engines” means aircraft engines (other than those used in military, customs or police services) powered by jet propulsion or turbine or piston technology and in the case of jet propulsion aircraft engines, have at least 1750 lb of thrust or its equivalent; and (ii) in the case of turbine-powered or piston-powered aircraft engines, have at least 550 rated take-off shaft horsepower or its equivalent, together with all modules and other installed, incorporated or attached accessories, parts and equipment and all data, manuals and records relating thereto.[4]

Lincoln D. Gomez

Gomez & Bikker law


[1] http://www.unidroit.org/english/implement/i-2001-aircraftprotocol.pdf.

[2] http://www.unidroit.org/english/conventions/mobile-equipment/aircraftprotocol.pdf.

[3] http://www.unidroit.org/english/conventions/mobile-equipment/conference2001/finalact.htm.

[4] Article 1 Protocol.

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