Advisory Circular (AC) 91-60A, the Continued Airworthiness of Older Airplanes; AC 120-AAR, Aging Airplane Inspections and Records Review; and AC 91-56B, Continuing Structural Integrity Program for Airplanes

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This notice announces the availability of and request for comments on proposed Advisory Circular (AC) 91-60A, which provides guidance about development and use of service-history based Structural Supplemental Inspection Programs to design-approval holders, owners, and operators of U.S.-registered multi-engine airplanes certificated with nine or less passenger seats; AC 120-AAR, which provides guidance about aging airplane inspections and records reviews that are accomplished to satisfy the requirements of the final rule "Aging Airplane Safety;" and AC 91-56B, which provides guidance on developing a continuing structural integrity program to ensure safe operation of older airplanes throughout their operational life. These proposed ACs address airplanes affected by the "Aging Airplane Safety Rule" and provide guidance on the development and use of a damage-tolerance-based Supplemental Structural Inspection Program (SSIP) for all airplanes operated under title 14 of the Code of Federal Regulations (14 CFR) part 121; all U.S.-registered multi-engine airplanes operated under 14 CFR part 129 certificated with 10 or more passenger seats; and all multiengine airplanes used in scheduled ope