While the DEEP DRILLER is operating as shown in Sample Form #4 (Drilling), casing is accidentally dropped over the starboard side. If the starboard aft inclination is slowly increasing, which tank is probably damaged?
Official USCG Answer & Rule Citation
Correct Answer: Option D — 10S
A slowly increasing starboard aft inclination indicates progressive flooding or weight accumulation in the starboard aft area. Tank 10S, located in the starboard aft lower hull, is the probable compartment experiencing unintended water ingress.
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