Regulations last checked for updates: Feb 11, 2026

Title 14 - Aeronautics and Space last revised: Dec 19, 2026
§ 399.120 - Duration of certificates in limited-entry markets.

All certificate authority that the Department grants to U.S. air carriers in carrier selection proceedings will be awarded in the form of experimental certificates of five years' duration pursuant to49 U.S.C. 41102 and 41110. This provision does not alter or amend permanent certificates issued prior to January 1, 1985.

[Doc. No. 43403, 51 FR 43188, Dec. 1, 1986, as amended by Doc. No. DOT-OST-2014-0140, 84 FR 15948, Apr. 16, 2019]
authority: 49 U.S.C. 40113(a), 41712, 46106, 46107, and 42305
source: PS-21, 29 FR 1446, Jan. 29, 1964, unless otherwise noted.
cite as: 14 CFR 399.120