CFR /  Title 46  /  Part 177  /  Sec. 177.1010 Safety glazing materials.

Glass and other glazing material used in windows accessible to passengers and crew must be of material that will not break into dangerous fragments if fractured. [CGD 85-080, 61 FR 961, Jan. 10, 1996; 61 FR 20557, May 7, 1996]