§ 91.821 Civil supersonic airplanes: Noise limits.
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Title 14 CFR: Aeronautics and Space › Chapter I: FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION › Part 91: GENERAL OPERATING AND FLIGHT RULES › Subpart I: Operating Noise Limits › § 91.821: § 91.821 Civil supersonic airplanes: Noise limits.
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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 applicable trade-off provisions.
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