14 C.F.R. § 25.875 Reinforcement near propellers.
Title 14 - Aeronautics and Space
(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.
Title 14: Aeronautics and Space
PART 25—AIRWORTHINESS STANDARDS: TRANSPORT CATEGORY AIRPLANES
Subpart D—Design and Construction
Miscellaneous
§ 25.875 Reinforcement near propellers.
