209.270-2 Definitions.
As used in this section—
“Aviation critical safety item” means a part, an assembly, installation equipment, launch equipment, recovery equipment, or support equipment for an aircraft or aviation weapon system if the part, assembly, or equipment contains a characteristic any failure, malfunction, or absence of which could cause—
(1) A catastrophic or critical failure resulting in the loss of or serious damage to the aircraft or weapon system;
(2) An unacceptable risk of personal injury or loss of life; or
(3) An uncommanded engine shutdown that jeopardizes safety.
“Design control activity”—
(1) With respect to an aviation critical safety item, means the systems command of a military department that is specifically responsible for ensuring the air worthiness of an aviation system or equipment in which an aviation critical safety item is to be used; and
(2) With respect to a ship critical safety item, means the systems command of a military department that is specifically responsible for ensuring the seaworthiness of a ship or ship equipment in which a ship critical safety item is to be used.
“Ship critical safety item” means any ship part, assembly, or support equipment containing a characteristic the failure, malfunction, or absence of which could cause—
(1) A catastrophic or critical failure resulting in loss of or serious damage to the ship; or
(2) An unacceptable risk of personal injury or loss of life.