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

AC 21-12D - Application for U.S. Airworthiness Certificate

Document Information

Number
21-12D
Title
Application for U.S. Airworthiness Certificate
Status
Active
Date issued
2026-01-30
Office of Primary Responsibility
AIR-632, Production and Airworthiness Systems
Description

This advisory circular (AC) provides guidance and information needed to apply for an application to obtain an original or recurrent airworthiness certificate, or to amend a current certificate. This application is not required for the issuance of a replacement airworthiness certificate. For replacement airworthiness certificates, contact your local FAA office of guidance.

Content
Cancels
Cancels
Number Title Date
21-12C Application for U.S. Airworthiness Certificate, FAA Form 8130–6

This advisory circular (AC) provides guidance and information needed to prepare and submit Federal Aviation Administration (FAA) Form 8130-6, Application for U.S. Airworthiness Certificate. This application is required to obtain an airworthiness certificate or to amend a current certificate. In some cases, an application may be required for the issuance of a replacement airworthiness certificate. This AC is not mandatory and does not constitute a regulation. It describes an acceptable means, but not the only means, to comply with requirements. However, if you use the means described in the AC, you must follow it in all respects.

 2012-09-07