14 CFR · Part 25
14 CFR § 25.875
Reinforcement near propellers.
(a)
Each part of the airplane near the propeller tips must be strong and stiff enough to withstand the effects of the induced vibration and of ice thrown from the propeller.
(b)
No window may be near the propeller tips unless it can withstand the most severe ice impact likely to occur.
Reflects the eCFR edition current as of September 29, 2026. Retrieved from ecfr.gov on October 16, 2026.
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