14 C.F.R. § 29.775 Windshields and windows.
Title 14 - Aeronautics and Space
Windshields and windows must be made of material that will not break into dangerous fragments. [Amdt. 29–31, 55 FR 38966, Sept. 21, 1990]
Title 14: Aeronautics and Space
PART 29—AIRWORTHINESS STANDARDS: TRANSPORT CATEGORY ROTORCRAFT
Subpart D—Design and Construction
Personnel and Cargo Accommodations
§ 29.775 Windshields and windows.