Federal Register

Go to the CFR Main Page

Locating Online Service Information Incorporated by Reference in Airworthiness Directives

Some aircraft and aircraft parts manufacturers provide access to their service information online, either free or through paid subscription services.

The following links may help you locate service information incorporated by reference in airworthiness directives:

About IBR

Incorporation by reference (IBR) allows Federal agencies to comply with the requirement to publish rules in the Federal Register and the Code of Federal Regulations (CFR) by referring to materials already published elsewhere.
Learn More

The U.S. National Archives and Records Administration
8601 Adelphi Road, College Park, MD 20740-6001
Telephone: 1-86-NARA-NARA or 1-866-272-6272