Federal Aviation Regulations
Sec. 121.555 — Compliance with approved routes and limitations: Domestic and flag operations.
No pilot may operate an airplane in scheduled air transportation—(a) Over any route or route segment unless it is specified in the certificate holder's operations specifications; or
(b) Other than in accordance with the limitations in the operations specifications.
[Doc. No. 6258, 29 FR 19219, Dec. 31, 1964, as amended by Amdt. 121–253, 61 FR 2614, Jan. 26, 1996]
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