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702 Fire Extinguishers
HOW TO CHOOSE COAST GUARD APPROVED MARINE FIRE EXTINGUISHERS
Coast Guard Requirements are Determined by Boat Length
1. Less than 26 Feet:
When NO fixed fire extinguishing system is installed in machinery space(s): At least One B-1 type approved hand
portable fire extinguisher. (NOT REQUIRED on outboard motorboats less than 26 feet in length if the construction of Extinguisher Classification Guide
such motorboats will not permit the entrapment of explosive or flammable gases or vapors.) When a fixed fire extin- Here is a guide to aid you in the
guishing system is installed in machinery space(s), One less B-1 type extinguisher is required. selection of an extinguisher for
2. 26 Feet to Under 40 Feet: home, car boat, trailer or industrial
At least Two B-1 type approved portable fire extinguishers; or at least One B-II type approved portable fire extin- application.
guisher. When an approved fixed system is installed, One less B-1 type is required. Look for the classification letters on
3. 40 Feet to Under 65 Feet: the fire extinguisher.
At least Three B-1 type approved portable fire extinguishers; OR at least One B-1 type PLUS One B-II type Class
approved portable fire extinguisher. When an approved fixed system is installed, One less B-1 type is required.
A
Combustible Materials
AMERICAN BOAT-YACHT COUNCIL RECOMMENDATIONS Paper, Wood, Fabric, Rubber, Most
Plastics, Drapes, Bedding, Upholstery
Type Boat USCG Type Qty. Suggested Location and Trash
Outboard (Open) B-1 1 Steering Position Class
Outboard Cruisers B-1 2 Steering Position & Galley or Passenger Cockpit B
Runabouts B-1 2 Steering Position & Passenger Cockpit Flammable Liquids
Cruisers under 26' in Length B-1 2 Steering Position & Galley or Passenger Cockpit Gasoline, Cooking Oils, Kerosene,
Cruisers 26' & Over & Less B-1 3 Outside Engine Compartment, Steering Position, Greases, Solvents, Paints, Other
than 40' in Length Galley Flammable Liquids
Cruisers 40' in Length & Over, B-1 4 Outside Engine Compartment, Steering Position, Galley, Class
but Not Over 65' & Crew's Quarters C
Auxiliary Sailboats under 26' in Length B-1 2 Companionway & Forward Hatchway Live Electrical
Auxiliary Sailboats 26' & Over, but B-1 3 Companionway or Steering Position, Galley or Outside Fires started by Short Circuit or Faulty
Less than 40' in Length Engine Compartment and Forward Hatchway Wiring in Motors, Switches, Appliances
Auxiliary Sailboats 40' in Length & B-1 4 Companionway or Steering Position, Galley or Outside (televisions, clothes dryers, etc.). The
extinguishing agent is electrically non-
Over, but Not Over 65' Engine Compartment, Crew's Quarters & Forward Hatchway conductive.
ALL TYPE B (EFFECTIVE ON FLAMMABLE LIQUIDS) EXTINGUISHERS MUST BEAR AND UNDERWRITERS
LABORATORIES 5-B:C OR HIGHER RATING. ALL EXTINGUISHERS MUST BE RESTRAINED IN MOUNTING BRACKETS.
DRY CHEMICAL CARBON DIOXIDE FOAM
Classication Minimum Minimum Minimum
(Type Size) Pounds Pounds Gallons
B-I 2 14 1-1/4
B-II 10 15 2-1/2
B-I & BII Approved Portable Fire Extinguishers
Coast Guard
Fig. No. No. Classification Capacity UL Rating Type*
5200 3A40BC BI 5 lbs. 3A40BC Dry Chemical
5200 M110 BI 2-3/4 lbs. 1A10BC Dry Chemical
5201 M10 BI 2-3/4 lbs. 10BC Dry Chemical
5201 M5 BI 10 lbs. 4A60BC Dry Chemical
5BC
2 lbs.
FIRE EXTINGUISHERS A-4 Standard, Effective July 31, 2009... Setting Standards for Safer Boating
5201
M5P
BI
Dry Chemical
5BC
2 lbs.
BII
5200
Dry Chemical
4A60BC
*NOT a Clean Agent
ABYC
®
For New Boats Built After 7-31-2009
A-4 Fire Fighting Equipment
4.5 Requirements – In General
4.5.2 Inboard and stern drive boats with engine compartments shall have either:
4.5.2.1 a fixed fire extinguisher system installed to protect the fire compartment (see A-47), or Fig. 7509 MA2 Systems
4.5.2.2 a single suitably sized clean agent portable fire extinguisher provided and installed in a proximity to a port to permit
discharge directly into the engine compartment without opening the primary access – Special Order Fireboy
No. 70551 5 lbs., No. 71100 11 lbs.
4-7 Requirements – Fixed Fire Extinguishing Systems
4.7.1 Fixed fire extinguishing systems shall be capable of both automatic and manual operations
4.7.3.3 Diesel boats
4.7.3.3.1 the system shall be designed and installed so that:
4.7.3.3.2 the engine(s), generator(s), and blower(s) located in the protected space shut down automatically and after
discharge the minimum required design concentration in accordance with A-4.7.10 must remain.

