14 CFR 252.9
§ 252.9 Ventilation systems.
United States · 14 CFR — Aeronautics and Space · Status: effective
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- Citation
- 14 CFR 252.9, § 252.9 Ventilation systems, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/58708
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Full text
Air carriers shall prohibit smoking whenever the ventilation system is not fully functioning. Fully functioning for this purpose means operating so as to provide the level and quality of ventilation specified and designed by the manufacturer for the number of persons currently in the passenger compartment.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.