46 CFR 118.500: Required number, type, and location.

(a) Each portable fire extinguisher on a vessel must be of a type approved by the Commandant. The minimum number of portable fire extinguishers required on a vessel must be acceptable to the cognizant OCMI, but must be not less than the minimum number required by table 1 to § 118.500(b) and other provisions of this section.

(b)Table 1 to § 118.500(b) indicates the minimum required number and type of extinguisher for each space listed. Extinguishers with larger numerical ratings or multiple letter designations may be used if the extinguishers meet the requirements of the table.

Table 118.500(b)—Required Portable Fire Extinguishers

Space Minimum required rating Quantity and location

Operating station 10-B:C 1.

Machinery space 40-B:C 1 in the vicinity of the exit.

Open vehicle deck 40-B 1 for every 10 vehicles.

Accommodation space 2-A 1 each for each 2,500 sq ft or fraction thereof.

Galley 40-B:C 1.

Pantry, concession stand 2-A 1 in the vicinity of the exit.

(c) A vehicle deck without a fixed sprinkler system and exposed to weather must have one 40-B portable fire extinguisher for every 5 vehicles, located near an entrance to the space.

(d) The frame or support of each semi-portable fire extinguisher permitted by paragraph (b) of this section must be welded or otherwise permanently attached to a bulkhead or deck.