The DEEP DRILLER, while loaded as shown in the Sample Load Form #4 (Drilling), suffers damage to the port aft column below the waterline. Pumping from tank 8P and 9P is not sufficient to prevent increasing port list and stern down trim. You should consider counterflooding in tank __________.
Official USCG Answer & Rule Citation
Correct Answer: Option A — 1S
Counterflooding tank 1S directly compensates for port list and stern trim caused by starboard aft column damage, restoring upright stability and acceptable operational drafts in accordance with MODU damage control stability manuals.
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