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Advisory Circulars (ACs)

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Advisory Circulars (ACs) search results
Number Title Status Office Date
21-22 Injury Criteria for Human Exposure to Impact

Describes a range of impact trauma which may be used to establish bases for acceptance levels or performance criteria in the evaluation of occupant survivability characteristics in civil aircraft.

Active AIR-120 1985-06-20
21-34 Shoulder Harness-Safety Belt Installations

Provides information and guidance pertinent to an acceptable means, but not the only means, for installation of shoulder harness and safety belt restraint systems at all seat locations on all previously type-certificated aircraft.

Active AIR-120 1993-06-04
21-49 Gaining Approval Of Seats With Integrated Electronic Components

a. This AC explains how to gain approval of aircraft seats with integrated electronic components and installed on aircraft.

Active AIR-120 2011-02-09