As a minimum requirement, a boat that is less than 26 feet in length with an installed fuel tank must have 5-B fire extinguisher.
A fire extinguisher is a fire protection device used to terminate or control small fires, often in emergency situations.
If your boat is less than 26 feet, you need one 5-B fire extinguisher on board.
Thus, as a minimum requirement, a boat that is less than 26 feet in length with an installed fuel tank must have 5-B fire extinguisher.
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