CFR›Title 14›Chapter I›Part 137 ContainsSubparts A–DCorpusDaily eCFRDisplayed edition2026-04-27Last updated2026-04-27 PART 137—AGRICULTURAL AIRCRAFT OPERATIONS Subparts A Subpart A—General Sections 137.1–137.3 B Subpart B—Certification Rules Sections 137.11–137.23 C Subpart C—Operating Rules Sections 137.29–137.59 D Subpart D—Records and Reports Sections 137.71–137.77 Authority49 U.S.C. 106(g), 40103, 40113, 44701-44702.SourceDocket 1464, 30 FR 8106, June 24, 1965, unless otherwise noted. Previous 136 Part 136—Commercial Air Tours and National Parks Air Tour Management Next 139 Part 139—Certification of Airports