AC 20-62  Eligibility, Quality, & Identification of Aeronautical Replacement Parts

AC 20-142  Eligibility and Evaluation of U.S. Military Surplus Flight Safety Aircraft Parts, Engines, Propellers

AC 21-2  Export Airworthiness Approval Procedures

AC 21-9  Manufacturers Reporting Failures, Malfunctions, or Defects

AC 21-19  Installation of Used Aircraft Engines in New Production Aircraft

AC 21-24  Extending a Production Certificate to a Facility Located in a Bilateral Airworthiness Agreement Country

AC 21-26  Quality System for the Manufacture of Composite Structures

AC 21-29  Detecting and Reporting Suspected Unapproved Parts

AC 21-31  Quality System for the Manufacture of Non-Metallic Compartment Interior Components

AC 21-32  Control of Products and Parts Shipped Prior to Type Certificate Issuance

AC 21-40  Guide for Obtaining a Supplemental Type Certificate

AC 21-42  Transition Document for 14 CFR Parts 1, 21, 43, and 45

AC 21-43  Production Under 14 CFR Part 21, Subparts F, G, K, and O

AC 21-44  Issuance of Export Airworthiness Approvals Under 14 CFR Part 21 Subpart L

AC 21-45  Commercial Parts

AC 21-51  Compliance Statements

AC 43-18  Fabrication of Aircraft Parts by Maintenance Personnel

AC 45-2  Identification and Registration Marking

AC 45-3  Installation, Removal, or Change of Identification Data and Identification Plates on Aircraft Engines

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