Skip to page content

USA Banner

Official US Government Icon

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure Site Icon

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

United States Department of Transportation United States Department of Transportation

Advisory Circulars (ACs)

Search Results

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

This AC provides guidance on obtaining a foreign design approval/acceptance of a U.S. product or article approved under Title 14 of the Code of Federal regulations (14 CFR) part 21. Its purpose is to provide information and offer guidance that will help obtain foreign design approval/acceptance. b.

Active AIR-40 2013-03-07