The fire triangle is dead, long live the fire quadrangle which adds the “Ignition Energy” to get the fire started. Others use “chemical reaction” but it isn’t always – such as an electrical fire. Once started, you’re down the three legs to maintain it. If the Ignition Energy isn’t removed, you may well have a rekindle. 1. Avoid starting the fire in the place. Sometimes easier said than done but proper maintenance and safety precautions eliminate most fires before they begin. 2. Be prepared to respond quickly and accurately. Have adequate training and equipment. 3. Do NOT add air to the engine room if there’s a fire. You’re only feed it more oxygen an increase the fire. 4. Emergency stop all equipment. Isolate the engine room from fuel and electricity (remote shutoffs). 5. Use the fire extinguisher or installed extinguishing system in the engine compartment. Give it a little time to work. Opening the hatch/door too soon could start the fire anew. 6. Don’t ventilate unless/until you’re prepared to deal with a bigger fire. Instead, get more extinguishers or have a spray (not full stream) hose ready. 7. While waiting thirty seconds or so, do (minimum) Pan-Pan announcement. 8. Attempt to evaluate condition of the compartment before opening door (sight glass, porthole, etc. If you can’t check first, be prepared when opening the door for flames to start up quickly and to have a fair amount of smoke exit. Dark smoke is incomplete combustion (oxygen starved fire). White smoke is complete combustion/steam. 9. Use the hose to spray water. Turn the hose in a circular pattern. That will cut down on smoke and reduce the temperature of the room. It could reduce the temperature enough to extinguished the fire as the small spray droplets will absorb heat faster (than a full stream) by turning to steam (which itself can burn so be careful). 10. Dewater, check for damage. Fix root cause. 11. Reduce grog level. CT 30°24'43.07"N 88°34'1.90"W
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