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Advisory Circulars (ACs)

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Number, title, description, or office

Advisory Circulars (ACs) search results
Number Title Status Office Date
21-52 Obtaining Foreign Design Approval / Acceptance of U.S. Products and Articles

Its purpose is to provide information and offer guidance that will help obtain foreign design approval/acceptance. b.

Active AIR-40 2013-03-07
21-23B Airworthiness Certification of Civil Aircraft, Engine, Propellers, and Related Products Imported to the United States

Provides information on the Federal Aviation Administration’s (FAA) objectives, regulations, and general practices for the United States of America airworthiness certification or acceptance of civil aeronautical products imported to the U.S.

Active AIR-40 2004-11-17
21-2L Complying with the Requirements of Importing Countries or Jurisdictions When Exporting U.S. Products, Articles, or Parts

This AC does not include the requirements submitted to the Federal Aviation Administration (FAA) by other countries or jurisdictions, but it incorporates the requirements by reference to the FAA’s internet website. This AC is not mandatory and does not constitute a regulation. This AC describes an acceptable means, but not the only means, to comply with these requirements.

Active AIR-40 2010-01-29