Special flight authorization to exceed Mach 1.

CFR · 2024-01-01 · US · Title 14

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) (1) The name of the operator; (2) The number and model(s) of the aircraft to be operated; (3) The number of proposed flights; (4) The date range during which the flight(s) would be conducted; (5) The time of day the flight(s) would be conducted. Proposed night operations may require further justification for their necessity; (6) A description of the flight area requested by the applicant, including any environmental information required to be submitted pursuant to paragraph (c) of this section; (7) All conditions and limitations on the flight(s) that will ensure that no measurable sonic boom overpressure will reach the surface outside of the proposed flight area; and (8) The reason(s) that operation at a speed greater than Mach 1 is necessary. A special flight authorization to exceed Mach 1 may be granted only for operations that are intended to: (i) Show compliance with airworthiness requirements; (ii) Determine the sonic boom characteristics of an aircraft; (iii) Establish a means of reducing or eliminating the effects of sonic boom, including flight profiles and special features of an aircraft; (iv) Demonstrate the conditions and limitations under which speeds in excess of Mach 1 will not cause a measurable sonic boom overpressure to reach the surface; or (v) Measure

official document · source cfr-2024 · id 14:§ 91.818