USCG Exam Practice · Fire extinguishers — types, ratings, requirements
A recreational vessel exceeds 300 gross tons. Under 33 CFR §175.320, which of the following correctly describes the fire extinguishing equipment requirement for the machinery space beyond the portable extinguishers required by gross tonnage?
- AA minimum of two 20-B portable extinguishers and one approved fixed system must both be installed.
- BEither one 160-B semi-portable fire extinguishing system or a fixed fire extinguishing system must be fitted in the machinery space.✓ correct
- COne 160-B semi-portable system is required, and a fixed system may not be substituted.
- DA fixed fire extinguishing system is mandatory; semi-portable systems are not an acceptable alternative above 300 gross tons.
Why B is correct
33 CFR §175.320(b)(2)(ii) states that on recreational vessels of more than 300 gross tons, either one 160-B semi-portable fire extinguishing system must be fitted, or alternatively, a fixed fire extinguishing system must be fitted in the machinery space. The two options are presented as alternatives, not cumulative requirements.
Cited:33 CFR §175.320
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