The DEEP DRILLER, loaded as shown in Sample Load Form #4 (Drilling), suffers major damage which results in flooding in tank C1P. Pumping from tanks in the vicinity of the damage has proven ineffective. Your best countermeasure is to __________.

Correct Answer: Option D — counterflood in 10S

When direct pumping from flooded spaces proves ineffective due to system damage or flooding source continuity, restoring transverse symmetry and acceptable draft requires deliberate counterflooding in intact opposite-side spaces such as tank 10S to counteract list.