In the machinery space of all uninspected motor vessels, there must be one type B-II hand portable fire extinguisher for which of the following?

Correct Answer: Option D — 1000 B.H.P. of the main engines or fraction thereof

Under 46 CFR, uninspected motor vessels utilizing internal combustion engines must carry approved B-II hand portable fire extinguishers in machinery spaces based on the total brake horsepower (BHP) rating of the main propulsion engines.