CFR›Title 14›Chapter I›Part 136 ContainsSubparts A–DCorpusDaily eCFRDisplayed edition2026-04-27Last updated2026-04-27 PART 136—COMMERCIAL AIR TOURS AND NATIONAL PARKS AIR TOUR MANAGEMENT Subparts A Subpart A—National Air Tour Safety Standards Sections 136.1–136.29 B Subpart B—National Parks Air Tour Management Sections 136.31–136.49 C Subpart C—Grand Canyon National Park Section 136.51 D Subpart D—Special Operating Rules for Air Tour Operators in the State of Hawaii Sections 136.71–136.75 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. Previous 135 Part 135—Operating Requirements: Commuter and on Demand Operations and Rules Governing Persons on Board Such Aircraft Next 137 Part 137—Agricultural Aircraft Operations