46 CFR 169.567: Portable fire extinguishers.

(a) The minimum number of portable fire extinguishers required on each vessel is determined by the Officer in Charge, Marine Inspection, in accordance with table 1 to § 169.567(a) and other provisions of this subpart.

Table 1 to § 169.567(a)—Required Portable Fire Extinguishers

Space Portable fire extinguishers

Minimum required rating Quantity and location

Propulsion machinery space without fixed extinguishing system 40-B:C 2.

Propulsion machinery space with fixed extinguishing system 40-B:C 1 in the vicinity of the exit.

Living space and open boats 2-A 1 per 1,000 cubic foot of space.

Galley (without fixed system) 40-B:C 1 per 500 cubic foot.

Spare Units 2-A 10 percent of the required number rounded up.

40-B:C 10 percent of the required number rounded up.

(b) Table 1 to § 169.567(a) indicates the minimum required classification 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.

(c) All portable fire extinguishers installed on vessels must be of an approved type.

(d) Portable fire extinguishers must be stowed in a location convenient to the space protected.

(e) Portable fire extinguishers must be installed and located to the satisfaction of the Officer in Charge, Marine Inspection.

(f) Portable fire extinguishers which are required to be protected from freezing must not be located where freezing temperatures may be expected.