Deck : Deck General - 3328/5076 |
---|
« Previous Question |
Obstruction lights on mobile offshore drilling units on the waters of the U.S. Outer Continental Shelf must be displayed __________. |
A) at all times |
B) whenever visibility is restricted |
C) between sunset and sunrise |
D) whenever vessels approach within one-half mile |
loading answer...
Comments |
---|
There are no comments for this question. |