46 C.F.R. § 122.606 Escape hatches and emergency exits.
Title 46 - Shipping
All escape hatches and other emergency exits used as means of escape must be marked on both sides in clearly legible letters at least 50 millimeters (2 inches) high: “EMERGENCY EXIT, KEEP CLEAR”, unless such markings are deemed unnecessary by the cognizant OCMI.
Title 46: Shipping
PART 122—OPERATIONS
Subpart F—Markings Required
§ 122.606 Escape hatches and emergency exits.
