CFR›Title 14›Chapter I›Part 73 ContainsSubparts A–CCorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 PART 73—SPECIAL USE AIRSPACE Subparts A Subpart A—General Sections 73.1–73.5 B Subpart B—Restricted Areas Sections 73.11–73.19 C Subpart C—Prohibited Areas Sections 73.81–73.85 Authority49 U.S.C. 106(f), 106(g); 40103, 40113, 40120; E.O. 10854, 24 FR 9565, 3 CFR, 1959-1963 Comp., p. 389.Source46 FR 779, Jan. 2, 1981, unless otherwise noted. Previous 71 Part 71—Designation of Class A, B, C, D, and E Airspace Areas; Air Traffic Service Routes; and Reporting Points Next 77 Part 77—Safe, Efficient Use, and Preservation of the Navigable Airspace