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Federal Aviation Regulations

Sec. 23.929 — Engine installation ice protection.

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]

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