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 43-18 - Fabrication of Aircraft parts by Maintenance Personnel

Document Information

Number
43-18
Title
Fabrication of Aircraft parts by Maintenance Personnel
Status
Active
Date issued
2006-03-24
Office of Primary Responsibility
AFS-300
Description

This advisory circular (AC) ensures that parts fabricated during maintenance and alteration have an equivalent level of safety as those parts produced under the original design holder’s production certificate. This AC provides one means of complying with the requirements of Title 14 of the Code of Federal Regulations (14 CFR) parts 21 and 43 for the design and fabrication of parts by persons performing maintenance and alterations using methods, techniques, and practices acceptable to the Administrator. As required by regulations, such parts fabrication and their implementation must be accomplished "in such a manner...that the condition of the aircraft, airframe, aircraft engine, propeller, or appliance worked on will be at least equal to its original or properly altered condition." This AC is not mandatory and does not constitute a regulation. It outlines one method (but not the only method) of compliance with the rules. A person may elect to follow an alternative method, provided the Federal Aviation Administration (FAA) finds the alternative method to be an acceptable means of complying with the applicable requirements of 14 CFR.

Content
Changes
Changes
Change Title Date
1

Fabrication of Aircraft Part by Maintenance Personnel

 

This change updates guidance, including all references related to Title 14 of the Code of Federal Regulations (14 CFR).

 2008-02-29
2

Fabrication of Aircraft parts by Maintenance Personnel

 

This change updates information regarding the fabrication quality control system (FQCS), AC references, and all references related to Title 14 of the Code of Federal Regulations (14 CFR) part 21.

 2011-06-07