§ 91.144 Temporary restriction on flight operations during abnormally high barometric pressure conditions
14 CFR Part 91 — Subpart B—Flight Rules
Official text — 14 CFR § 91.144
REGULATION — LEGALLY BINDING(a) Special flight restrictions. When any information indicates that barometric pressure on the route of flight currently exceeds or will exceed 31 inches of mercury, no person may operate an aircraft or initiate a flight contrary to the requirements established by the Administrator and published in a Notice to Airmen issued under this section.
(b) Waivers. The Administrator is authorized to waive any restriction issued under paragraph (a) of this section to permit emergency supply, transport, or medical services to be delivered to isolated communities, where the operation can be conducted with an acceptable level of safety.
Reproduced from the eCFR. Text as amended through 2026-07-31. Verify against the official source before relying on it operationally.
No SkeyeMentor explanation yet
We have not written a plain-English explanation for this section yet. The official text above is complete and is what governs.
Is this a regulation?
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.