A class ABC which is an all purpose (Monoammonium phosphate) dry chemical fire extinguisher. Probably a 20# capacity within 25 feet reach lets say or minimum two 10# ABC extinguishers which are easier to handle weight wise. A class D (Sodium Chloride or Graphite chemical) fire extinguisher for burning metals may also be appropriate given the scenario here regarding a vessel with a fuel tank. If a fire gets hot enough to burn metals nearby, this class D type works wonders.
Class B
Flammable fuels require a class B fire extinguisher.
Class B
Class B
Class B
B-I or B-II are required.
Class B
For a vessel with a permanently installed fuel tank, a Class B fire extinguisher is most appropriate, as it is designed to combat flammable liquid fires, including fuels. However, having a Class A extinguisher can also be beneficial for fires involving solid materials. Additionally, a Class C extinguisher is necessary if there are electrical components on board. It's important to ensure that the fire extinguishers are easily accessible and regularly maintained.
Unplug all electrical equipment
Carbon Dioxide or foam.
Class B
The people onboard the vessel and the ship crew