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§ 33.21 Engine cooling.

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Title 14 CFR: Aeronautics and Space › Chapter I: FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION › Part 33: AIRWORTHINESS STANDARDS: AIRCRAFT ENGINES › Subpart B: Design and Construction; General › § 33.21: § 33.21 Engine cooling.

This text was captured on Aug 14, 2026. It is a snapshot, not a live feed, so check the official code before relying on it.

Text

Engine design and construction must provide the necessary cooling under conditions in which the airplane is expected to operate.

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§ 33.21 Engine cooling. · 14 C.F.R. § 33.21 (2026) | Frix