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Advisory Circulars (ACs)

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Advisory Circulars (ACs) search results
Number Title Status Office Date
25.981-2A Fuel Tank Flammability

This advisory circular (AC) provides information and guidance on compliance with the airworthiness standards for transport category airplanes about limiting the time a fuel tank may be flammable or mitigation of hazards from flammable fuel air mixtures within fuel tanks.

Active ANM-112 2008-09-19
25.981-1D Fuel Tank Ignition Source Prevention Guidelines

This AC provides guidance for showing compliance with § 25.981, which provides the certification requirements for the prevention of ignition sources, other than lightning, within the fuel tanks of transport category airplanes.

Active AIR-600 2018-09-24