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Advisory Circulars (ACs)

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Advisory Circulars (ACs) search results
Number Title Status Office Date
25-12 Airworthiness Criteria for the Approval of Airborne Windshear Warning Systems in Transport Category

This advisory circular (AC) provides guidance for the airworthiness approval of airborne windshear warning systems in transport category airplanes.

 Active ANM-110 1987-11-02
25-28 Compliance of Transport Category Airplanes with Certification Requirements for Flight in Icing Conditions

This advisory circular (AC) describes an acceptable means of showing compliance with the supercooled large drop condition requirements of § 25.773, Pilot compartment view, § 25.1323, Airspeed indicating system, § 25.1324 Angle of attack system and § 25.1325, Static pressure system, as well as the requirements of § 25.1419, Ice protection, and § 25.1420, Supercooled large drop icing conditions, of Title 14, Code of Federal Regulations (14 CFR) part 25.

 Active ANM-110 2014-10-27
25-25A Performance and Handling Characteristics in Icing Conditions

This advisory circular describes an acceptable means of showing compliance with the airplane performance and handling characteristics certification requirements for flight in the icing conditions defined in Appendices C and 0 of Title 14, Code of Federal Regulations part 25.

 Active ANM-110 2014-10-27