This SAE Aerospace Standard (AS) defines the performance requirements for equipment to be used by untrained cabin occupants for protection from toxic and irritant atmospheres while on board and during evacuation of an aircraft.

Purpose

This standard establishes the minimum requirements for the design, construction and performance of respiratory protective equipment for passengers in civil commercial aircraft.

Classification

This equipment is required to protect and to be suitable for use by passenger/cabin occupants during the following scenarios:

Class 1: Emergency ground evacuation of an aircraft during smoke/toxic fume conditions. The required protection shall be provided for a minimum of 3 minutes.

Class 2: In-flight smoke/toxic fume conditions at normal cabin pressure up to 10,000-ft equivalent cabin altitudes. The required protection shall be provided for a minimum of 17 minutes.

Class 3: In-flight smoke/toxic fume conditions [as per Class 2] followed by an emergency ground evacuation of the aircraft [as per Class 1]. The required protection shall be provided for a minimum of 20 minutes.