This specification covers emergency conditions, occupant safety and accommodations for occupants and cargo. The applicant for a design approval must seek the individual guidance of their respective civil aviation authority (CAA) body concerning the use of this standard as part of a certification plan.

The requirements provided by this specification cover seats, berths, litters, safety belts, and shoulder harnesses; doors; baggage and cargo compartments; emergency evacuation; flightcrew emergency exits; emergency exits; emergency exit marking; emergency lighting; passenger information signs; emergency exit access; and width of aisle. Also addressed are fire protection (fire extinguishers, passenger and crew compartment interiors, cargo and baggage compartment fire protection, thermal/acoustic insulation materials) and safety equipment.

1.1 This specification addresses emergency conditions, occupant safety and accommodations for occupants and cargo.

1.2 The applicant for a design approval must seek the individual guidance of their respective CAA body concerning the use of this standard as part of a certification plan. For information on which CAA regulatory bodies have accepted this standard (in whole or in part) as a means of compliance to their airworthiness regulations (Hereinafter referred to as “the Rules”), refer to ASTM F44 webpage (www.ASTM.org/COMITTEE/F44.htm) which includes CAA website links.

1.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.

1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.