46 CFR § 144.510
Window as a means of escape
April 15, 2021
On a vessel of 65 feet (19.8 meters) or less in length, a window or windshield of sufficient size and proper accessibility may be used as one of the required means of escape from an enclosed space, provided it:
(a) Does not lead directly overboard;
(b) Is suitably marked; and
(c) Has a means to open the window or break the glass.