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All vessels are required to have a Type B, U.S. Coast Guard–approved fire extinguisher(s) on board if one or more of the following conditions exist:

  • Inboard engine
  • Vessel length of 26 feet or longer
  • Closed compartments where portable fuel tanks may be stored
  • Double-bottoms which are not sealed to the hull or which are not completely filled with flotation material
  • Enclosed living spaces
  • Closed storage compartments in which flammable or combustible materials may be stored
  • Permanently installed fuel tanks

Approved types of fire extinguishers are identified by the following marking on the label—“Marine Type USCG Approved”—followed by the size and type symbols and the approval number.