1562.21—Scope, general requirements, and definitions.

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.
DASSP means the aircraft operator security program (DCA Access Standard Security Program) approved by TSA under this part for aircraft operations into and out of DCA.
FBO means a fixed base operator that has been approved by TSA under this part to serve as a last point of departure for flights into or out of DCA.
FBO Security Program means the security program approved by TSA under this part for FBOs to serve flights into or out of DCA.
Flightcrew member means a pilot, flight engineer, or flight navigator assigned to duty in an aircraft during flight time.
Gateway airport means an airport that has been approved by TSA under this part as a last point of departure for flights into DCA under this part.
Passenger means any person on an aircraft other than a flightcrew member. A “passenger” includes an armed security officer authorized to carry a firearm in accordance with the rule.