AC 20-142 (W/ CHANGE 1), ADVISORY CIRCULAR: ELIGIBILITY AND EVALUATION OF U.S. MILITARY SURPLUS FLIGHT SAFETY CRITICAL AIRCRAFT PARTS, ENGINES, AND PROPELLERS (24 AUG 2010)

AC 20-142 (W/ CHANGE 1), ADVISORY CIRCULAR: ELIGIBILITY AND EVALUATION OF U.S. MILITARY SURPLUS FLIGHT SAFETY CRITICAL AIRCRAFT PARTS, ENGINES, AND PROPELLERS (24 AUG 2010)., This advisory circular (AC) provides information and guidance for use in evaluating and determining the eligibility of U.S. military surplus flight safety critical aircraft parts (FSCAP), engines, and propellers for installation on Federal Aviation Administration (FAA) type-certificated products. This AC is applicable to all U.S. military surplus FSCAP, engines, and propellers, irrespective of when and by what process these products or parts became available. In the absence of FSCAP classification of military surplus parts by the Department of Defense (DoD), such parts should be identified and classified as FSCAP using the guidance contained in this AC.