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
21-19B Installation of Used Aircraft Engines in New Production Aircraft Active AIR-200 2010-01-29
21-31A Quality Control for the Manufacature of Non-Metallic Compartment Interior Components

a. This advisory circular (AC)

1) Provides information about Title 14, Code of Federal Regulations (14 CFR), part 21, Certification Procedures for Products, Articles, and Parts.

Active AIR-200 2010-08-31
21-4B Special Flight Permits for Operation of Overweight Aircraft

Furnishes guidance concerning special flight permits necessary to operate an aircraft in excess of its usual maximum certificated takeoff weight.

Active AIR-200 1969-07-30
21-26A Quality Control for the Manufacture of Composite Structures

This advisory circular (AC) provides information about the requirements of Title 14, Code of Federal Regulations (14 CFR) part 21 , Certification Procedures for Products, Articles, and Parts for quality systems for the manufacture of composite structures.

Active AIR-200 2010-07-23
21-13 Standard Airworthiness Certification of Surplus Military Aircraft and Aircraft Built from Spare and Surplus Parts Active AIR-200 1973-04-05