49 CFR § 1562.21 - Scope, general requirements, and definitions.
(a) Scope. This subpart applies to aircraft operations into or out of Ronald Reagan Washington National Airport (DCA), fixed base operators located at DCA or gateway airports; individuals designated as a security coordinator by aircraft operators or fixed base operators; and crewmembers, passengers, and armed security officers on aircraft operations subject to this subpart.
(1) Military, law enforcement, and medivac aircraft operations;
(3) All-cargo aircraft operations; and
(4) Passenger aircraft operations conducted under:
(c) Other security programs. Each aircraft operator required to comply with this subpart for an aircraft operation into or out of DCA must also comply with any other TSA-approved security program that covers that operation. If any requirements of the DASSP conflict with the requirements of another TSA-approved security program, the aircraft operation must be conducted in accordance with the requirements of the DASSP.
(d) Definitions. For purposes of this subpart, the following definitions apply:
Armed Security Officer Program means the security program approved by TSA, in coordination with the Federal Air Marshal Service, for security officers authorized to carry a firearm under § 1562.29 of this part.
Crewmember means a person assigned to perform duty in an aircraft during flight time. This does not include an armed security officer.
DCA means Ronald Reagan Washington National Airport.
Flightcrew member means a pilot, flight engineer, or flight navigator assigned to duty in an aircraft during flight time.