A mobile offshore drilling unit is on the waters of the U.S. Outer Continental Shelf. It has a length of 220 feet and a breadth of 190 feet. Where must the obstruction lights be located?
A
At the top of the drill mast
B
On each corner of the rig
C
At the bow of the rig
D
At the bow and stern of the rig
E
İlgili Sorular
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