Where will you find the requirements for the lights that must be displayed on a mobile offshore drilling unit that is being towed?
Official USCG Answer & Rule Citation
Correct Answer: Option B — COLREGS
The International Regulations for Preventing Collisions at Sea (COLREGS) specify the exact configuration of navigation lights, shapes, and day signals that must be exhibited by vessels and towed structures like Mobile Offshore Drilling Units.
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