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Course Outline

Use this chart to determine the type and quantity of fire extinguishers required for your vessel.

Length of Vessel Without Fixed System With Fixed System*
Less than 26 feet one 5-B none
26 feet to less
than 40 feet
two 5-B or one 20-B one 5-B
40 feet to less
than 65 feet
three 5-B or one 20-B and one 5-B two 5-B or one 20-B
*refers to a permanently installed fire extinguisher system

For carriage requirements, one 5-B is equivalent to one B-I, and one 20-B is equivalent to one B-II.

To receive a permit authorizing the use of a vessel as a place of principal habitation or vacation site, the vessel must have on board the required number of portable fire extinguisher according to the vessel’s length.

  • Up to 25 feet, at least one B-I or larger extinguisher is required.
  • Over 25 feet and up to 50 feet, at least two B-I or larger extinguishers are required.
  • Over 50 feet and up to 75 feet, at least three B-I or larger extinguishers are required.
  • At least one additional fire extinguisher is required for each additional 25 feet or fraction thereof.
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