46 CFR §118.300

1. (a)A self priming, power driven fire pump must be installed on each vessel.
2. (b)On a vessel without overnight accommodations, or with overnight accommodations for not more than 49 passengers, the fire pump must be capable of delivering a single hose stream from the highest hydrant, through the hose and nozzle required by § 118.320 of this part, at a pitot tube pressure of 345 kPa (50 psi).
3. (c)On a vessel carrying more than 600 passengers or with overnight accommodations for more than 49 passengers, the fire pump must meet § 76.10-5 of this chapter.
4. (d)A fire pump may be driven by a propulsion engine. A fire pump must be permanently connected to the fire main and may be connected to the bilge system to meet the requirements of § 119.520 of this subchapter.
5. (e)A fire pump must be capable of both remote operation from the operating station and local operation at the pump.