Question 3862 Deck General

The correct answer is B) skimmer tank. On the COASTAL DRILLER, if the bilge discharge is oily, the bilge water should be discharged through the skimmer tank. This is in accordance with regulations to prevent the discharge of oily waste overboard, which can harm the marine environment. The skimmer tank separates the oil from the water, allowing the water to be discharged overboard while retaining the oil for proper disposal. The other options are incorrect because sump valves and dump valves do not provide the necessary oil-water separation, and discharging oily bilge water directly overboard would violate environmental regulations.