{"data":{"id":"us/14-cfr-91.209","jurisdiction":"us","citation":"14 CFR 91.209","heading":"Aircraft lights.","body":"No person may:\n(a) During the period from sunset to sunrise (or, in Alaska, during the period a prominent unlighted object cannot be seen from a distance of 3 statute miles or the sun is more than 6 degrees below the horizon)—\n(1) Operate an aircraft unless it has lighted position lights;\n(2) Park or move an aircraft in, or in dangerous proximity to, a night flight operations area of an airport unless the aircraft—\n(i) Is clearly illuminated;\n(ii) Has lighted position lights; or\n(iii) is in an area that is marked by obstruction lights;\n(3) Anchor an aircraft unless the aircraft—\n(i) Has lighted anchor lights; or\n(ii) Is in an area where anchor lights are not required on vessels; or\n(b) Operate an aircraft that is equipped with an anticollision light system, unless it has lighted anticollision lights. However, the anticollision lights need not be lighted when the pilot-in-command determines that, because of operating conditions, it would be in the interest of safety to turn the lights off.","path":["Title 14—Aeronautics and Space","CHAPTER I—FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION","SUBCHAPTER F—AIR TRAFFIC AND GENERAL OPERATING RULES","PART 91—GENERAL OPERATING AND FLIGHT RULES","Subpart C—Equipment, Instrument, and Certificate Requirements"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-14.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:20Z","sha256":"ed010f75572e2205bc023768085df70169df3937a78ab9e8f523e5362c6d5fcd","source_id":"us-cfr","stale":true,"prev":"us/14-cfr-91.207","next":"us/14-cfr-91.211"},"notice":"GroundRules: Original legal text. Not legal advice."}