OUPV & 100-Ton Master · Uninspected Vessels
On an uninspected vessel, a Type B portable fire extinguisher is required principally to fight fires involving:
- AOrdinary combustibles such as wood and paper
- BFlammable liquids such as gasoline, oil, and grease✓ Correct
- CEnergized electrical equipment only
- DCombustible metals
Explanation
Marine fire extinguishers are classified by the fires they fight: Type B is for flammable liquids (gasoline, oil, grease) — the principal fire hazard in machinery and fuel spaces. The number (B-I, B-II) denotes capacity.
Authority: 46 CFR Subchapter C; 46 CFR 25.30
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