• The standard procedure for an engine fire varies by the aircraft and the type of engine. I am providing a generic answer that could be tailored to most commercial airliners. Pilots first become aware of an engine fire by warning alarms in the cockpit. The mandatory procedure is not to immediately extinguish the fire, but to maintain aircraft control. The normal means to snuff out an engine fire is to pull the emergency fire suppression handle. (one of those guarded red handles that you see in cockpit photos) The fire suppression system then does the following: 1. Bleed air from the affected engine is stopped 2. Isolation valves are closed to the engine 3. Any electrical systems operating by the engine are shut down and power will be drawn from other engines to compensate. 4. Fuel flow is stopped 5. Fire extinguishing fluid is discharged into the engine Some fires are more difficult to extinguish than others. The key action here is preventing it from damaging the other systems through isolation and by taking away its fuel flow, then hitting it with some fire extinguishant.

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