14 C.F.R. § 33.21 Engine cooling.
Title 14 - Aeronautics and Space
Engine design and construction must provide the necessary cooling under conditions in which the airplane is expected to operate.
Title 14: Aeronautics and Space
PART 33—AIRWORTHINESS STANDARDS: AIRCRAFT ENGINES
Subpart B—Design and Construction; General
§ 33.21 Engine cooling.
