Safety & Environmental Protection (Deck) USCG Question #540 (Set 16)

You are attempting to take a dead ship in tow. All lines have been passed and secured. How should you get underway?

Official USCG Answer & Rule Citation

Correct Answer: Option C — Gradually apply power until catenary almost breaks the water, but keep the catenary in the water.

Gradually applying power allows the towline catenary to act as a shock absorber against surging and snatch loads. Breaking the catenary completely out of the water eliminates this vital elasticity, risking parting the hawser or damaging deck fittings.

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