SUP-Related Advisory Circulars
Detecting and Reporting Suspected Unapproved Parts,
AC 21-29 (PDF)
Eligibility and Evaluation of U.S. Military Surplus Flight Critical Aircraft Parts, Engines, and Propellers,
AC 20-142 (PDF)
Eligibility, Quality, and Identification of Approved Aeronautical Replacement Parts,
AC 20-62 (PDF)
Voluntary Disclosure reporting Program,
AC 00-58 (PDF)
