U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
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All TitlesTitle 14Chapter IPart 91Subpart H - Subpart H—Foreign Aircraft Operations and Operations of U.S.-Registered Civil Aircraft Outside of the United States; and Rules Governing Persons on Board Such Aircraft
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(a) Except as provided in paragraph (b) of this section, no person may operate a civil aircraft of U.S. registry in airspace designated as Reduced Vertical Separation Minimum (RVSM) airspace unless:
(1) The operator and the operator's aircraft comply with the requirements of appendix G of this part; and
(2) The operator is authorized by the Administrator to conduct such operations.
(b) The Administrator may authorize a deviation from the requirements of this section in accordance with Section 5 of appendix G to this part.
