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REGULATION — LEGALLY BINDING

§ 91.859 Modification to meet Stage 3, Stage 4, or Stage 5 noise levels

14 CFR Part 91 — Subpart I—Operating Noise Limits

Official text — 14 CFR § 91.859

REGULATION — LEGALLY BINDING

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 operate in the contiguous United States for the purpose of obtaining modifications to meet Stage 3, Stage 4, or Stage 5 noise levels.

Reproduced from the eCFR. Text as amended through 2026-07-31. Verify against the official source before relying on it operationally.

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Yes — this is regulatory text and is legally binding.

Text published in the Code of Federal Regulations. Regulations are legally binding on pilots and operators.

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