CFR›Title 14›Chapter I›14 CFR Part 136 Citation14 CFR Part 136ContainsSubparts Subpart A–Subpart DCorpusDaily eCFRDisplayed edition2026-10-08Last updated2026-10-08 PART 136—COMMERCIAL AIR TOURS AND NATIONAL PARKS AIR TOUR MANAGEMENT Subparts Subpart A Subpart A—National Air Tour Safety Standards Subpart B Subpart B—National Parks Air Tour Management Subpart C Subpart C—Grand Canyon National Park Subpart D Subpart D—Special Operating Rules for Air Tour Operators in the State of Hawaii Authority49 U.S.C. 106(f), 40113, 40119, 44101, 44701-44702, 44705, 44709-44711, 44713, 44716-44717, 44722, 44901, 44903-44904, 44912, 46105.SourceDocket FAA-2001-8690, 67 FR 65667, Oct. 25, 2002, unless otherwise noted.