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145 ms- §91.707REGULATION — LEGALLY BINDING
Flights between Mexico or Canada and the United States
Unless otherwise authorized by ATC, no person may operate a civil aircraft between Mexico or Canada and the United States without filing an IFR or VFR flight plan, as appropriate.
- §91.709REGULATION — LEGALLY BINDING
Operations to Cuba
No person may operate a civil aircraft from the United States to Cuba unless— (a) Departure is from an international airport of entry designated in § 6.13 of the Air Commerce Regulations of the Bureau of Customs (19 CFR 6.13); and (b) In
- §91.711REGULATION — LEGALLY BINDING
Special rules for foreign civil aircraft
(a) General. In addition to the other applicable regulations of this part, each person operating a foreign civil aircraft within the United States shall comply with this section. (b) VFR. No person may conduct VFR operations which require
- §91.713REGULATION — LEGALLY BINDING
Operation of civil aircraft of Cuban registry
No person may operate a civil aircraft of Cuban registry except in controlled airspace and in accordance with air traffic clearance or air traffic control instructions that may require use of specific airways or routes and landings at speci
- §91.715REGULATION — LEGALLY BINDING
Special flight authorizations for foreign civil aircraft
(a) Foreign civil aircraft may be operated without airworthiness certificates required under § 91.203 if a special flight authorization for that operation is issued under this section. Application for a special flight authorization must be
- §91.801REGULATION — LEGALLY BINDING
Applicability: Relation to part 36
(a) This subpart prescribes operating noise limits and related requirements that apply, as follows, to the operation of civil aircraft in the United States. (1) Sections 91.803, 91.805, 91.807, 91.809, and 91.811 apply to civil subsonic je
- §91.803REGULATION — LEGALLY BINDING
Part 125 operators: Designation of applicable regulations
For airplanes covered by this subpart and operated under part 125 of this chapter, the following regulations apply as specified: (a) For each airplane operation to which requirements prescribed under this subpart applied before November 29
- §91.805REGULATION — LEGALLY BINDING
Final compliance: Subsonic airplanes
Except as provided in §§ 91.809 and 91.811, on and after January 1, 1985, no person may operate to or from an airport in the United States any subsonic airplane covered by this subpart unless that airplane has been shown to comply with Stag
- §91.815REGULATION — LEGALLY BINDING
Agricultural and fire fighting airplanes: Noise operating limitations
(a) This section applies to propeller-driven, small airplanes having standard airworthiness certificates that are designed for “agricultural aircraft operations” (as defined in § 137.3 of this chapter, as effective on January 1, 1966) or fo
- §91.817REGULATION — LEGALLY BINDING
Civil aircraft sonic boom
(a) No person may operate a civil aircraft in the United States at a true flight Mach number greater than 1 except in compliance with conditions and limitations in an authorization to exceed Mach 1 issued to the operator in accordance with
- §91.818REGULATION — LEGALLY BINDING
Special flight authorization to exceed Mach 1
For all civil aircraft, any operation that exceeds Mach 1 may be conducted only in accordance with a special flight authorization issued to an operator in accordance with the requirements of this section. (a) Application. Application for a
- §91.819REGULATION — LEGALLY BINDING
Civil supersonic airplanes that do not comply with part 36
(a) Applicability. This section applies to civil supersonic airplanes that have not been shown to comply with the Stage 2 noise limits of part 36 in effect on October 13, 1977, using applicable trade-off provisions, and that are operated in
- §91.821REGULATION — LEGALLY BINDING
Civil supersonic airplanes: Noise limits
Except for Concorde airplanes having flight time before January 1, 1980, no person may operate in the United States, a civil supersonic airplane that does not comply with Stage 2 noise limits of part 36 in effect on October 13, 1977, using
- §91.851REGULATION — LEGALLY BINDING
Definitions
For the purposes of §§ 91.851 through 91.877 of this subpart: Chapter 4 noise level means a noise level at or below the maximum noise level prescribed in Chapter 4, Paragraph 4.4, Maximum Noise Levels, of the International Civil Aviation O
- §91.853REGULATION — LEGALLY BINDING
Final compliance: Civil subsonic airplanes
Except as provided in § 91.873, after December 31, 1999, no person shall operate to or from any airport in the contiguous United States any airplane subject to § 91.801(c), unless that airplane has been shown to comply with Stage 3, Stage 4
- §91.855REGULATION — LEGALLY BINDING
Entry and nonaddition rule
No person may operate any airplane subject to § 91.801(c) of this subpart to or from an airport in the contiguous United States unless one or more of the following apply: (a) The airplane complies with Stage 3, Stage 4, or Stage 5 noise le
- §91.857REGULATION — LEGALLY BINDING
Stage 2 operations outside of the 48 contiguous United States
An operator of a Stage 2 airplane that is operating only between points outside the contiguous United States on or after November 5, 1990, must include in its operations specifications a statement that such airplane may not be used to provi
- §91.858REGULATION — LEGALLY BINDING
Special flight authorizations for non-revenue Stage 2 operations
(a) After December 31, 1999, any operator of a Stage 2 airplane over 75,000 pounds may operate that airplane in nonrevenue service in the contiguous United States only for the following purposes: (1) Sell, lease, or scrap the airplane; (2
- §91.859REGULATION — LEGALLY BINDING
Modification to meet Stage 3, Stage 4, or Stage 5 noise levels
For an airplane subject to § 91.801(c) of this subpart and otherwise prohibited from operation to or from an airport in the contiguous United States by § 91.855, any person may apply for a special flight authorization for that airplane to o
- §91.861REGULATION — LEGALLY BINDING
Base level
(a) U.S. Operators. The base level of a U.S. operator is equal to the number of owned or leased Stage 2 airplanes subject to § 91.801(c) of this subpart that were listed on that operator's operations specifications for operations to or from