14 C.F.R. § 23.929 Engine installation ice protection.
Title 14 - Aeronautics and Space
Propellers (except wooden propellers) and other components of complete engine installations must be protected against the accumulation of ice as necessary to enable satisfactory functioning without appreciable loss of thrust when operated in the icing conditions for which certification is requested. [Amdt. 23–14, 33 FR 31822, Nov. 19, 1973, as amended by Amdt. 23–51, 61 FR 5136, Feb. 9, 1996]
Title 14: Aeronautics and Space
PART 23—AIRWORTHINESS STANDARDS: NORMAL, UTILITY, ACROBATIC, AND COMMUTER CATEGORY AIRPLANES
Subpart E—Powerplant
General
§ 23.929 Engine installation ice protection.
