14 C.F.R. § 91.705 Operations within airspace designated as Minimum Navigation Performance Specification Airspace.
Title 14 - Aeronautics and Space
(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 Minimum Navigation Performance Specifications airspace unless— (1) The aircraft has approved navigation performance capability that complies with the requirements of appendix C of this part; and (2) The operator is authorized by the Administrator to perform such operations. (b) The Administrator may authorize a deviation from the requirements of this section in accordance with Section 3 of appendix C to this part. [Doc. No. 28870, 62 FR 17487, Apr. 9, 1997]
Title 14: Aeronautics and Space
PART 91—GENERAL OPERATING AND FLIGHT RULES
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
§ 91.705 Operations within airspace designated as Minimum Navigation Performance Specification Airspace.
