Thesaurus Term/Concept: DEADLIGHT

Identifier	143027
Class	MDA OBJECT TYPE
Status	Preferred
Index?	Yes
Scope Note	A hinged plate of brass, iron or wood inboard of a ship's scuttle or porthole which can be lowered and secured with a butterfly nut to prevent damage to glass in heavy weather or mask internal light from enemy vessels.

Broader Terms/Concepts (1)