Deck General USCG Q#5007 (Set 155)

When maneuvering in restricted waters the effect of squat on a vessel varies proportionally to the speed. Which factor is utilized for general calculations?

Official USCG Answer & Rule Citation

Correct Answer: Option C — the square of the speed through the water

Hydrodynamic squat increases exponentially rather than linearly; standard maritime safety calculations determine squat proportional to the square of the vessel's speed through the water.

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