§ 93.345
VFR outbound procedures for fringe airports.
(a) A pilot may depart from a fringe airport as defined in § 93.335 without filing a flight plan or communicating with Air Traffic Control, unless requested, provided:
(1) The aircraft's transponder transmits code 1205;
(2) The pilot exits the DC SFRA by the most direct route before proceeding on course; and
(3) The pilot monitors VHF frequency 121.5 or UHF frequency 243.0.
(b) No pilot may operate an aircraft arriving at a fringe airport or transit the DC SFRA unless that pilot complies with the DC SFRA operating procedures in this subpart.