In most cases, when a large merchant vessel enters shallow water at high speed the __________.
Official USCG Answer & Rule Citation
Correct Answer: Option D — bow will squat farther than the stern
Shallow water effect, or squat, causes a vessel to sink deeper and trim by the head as speed increases. The pressure distribution around the hull changes, creating a low-pressure zone under the bow that pulls it downward, significantly reducing under-keel clearance and impacting the vessel's steering response.
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