Flight Service Station

Air traffic facilities which pilot briefing, en route communications, and VFR search and rescue services; assist lost aircraft and aircraft in emergency situations; relay ATC clearances; originate Notices to Airmen, broadcast aviation weather and NAS information; receive and process IFR flight plans, monitor radio Navigation Aids (NAVAIDS). In addition, at selected locations, FSSs take weather observations, issue airport advisories, and advise Customs and Immigration of transborder flight. (FAA2) (FAA4) (FAA8) (FAA13)