According to federal regulations, the lubricating oil system on a vessel must be designed to function satisfactorily at what maximum permanent list?

A. 10 degrees
✓ 15 degreesCorrect
C. 20 degrees
D. 5 degrees

Why B is correct

46 CFR §56.50-80(a) requires the lubricating oil system to function satisfactorily when the vessel has a permanent 15° list and a permanent 5° trim. The 5° figure applies to trim, not list.

Cited:46 CFR §56.50-80

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