Engine Fire Ondeck (both engines): Which sequence correctly completes this procedure?

Engine Fire Ondeck (both engines): Which sequence correctly completes this procedure?

• A. Confirm Fire; FCSs Off; EFSLs Off; Boost Pumps Off; PRI Fire Extinguishing Button Confirm; Push; SEC Fire Extinguishing Button Confirm; Push; Emergency Electrical Cutoff; Rotor Brake; Evacuate
• B. Land/DITCH IMMEDIATELY
• C. Confirm Fire; FCSs On
• D. Evacuate Immediately

Answer: (A)

When a fire involves both engines on deck, the priority is to reliably isolate the engines from fuel and heat, then apply extinguishing agent to stop the fire, followed by securing electrical and preparing for evacuation. Start by confirming the fire to avoid wasting time on a false alarm. Then shut down the engine fuel control switches to stop fuel flow and halt engine operation. Isolate the engine fire suppression system lines to ensure the extinguishing process isn’t compromised and the agent reaches the fire area. With fuel cut and systems isolated, turn off the boost pumps to prevent any lingering fuel circulation. Next, arm and discharge the extinguishing agents for both engines, confirming and pushing the primary then the secondary extinguishing buttons so the suppressant reaches the fire in each bay. After the extinguishing agents are deployed, use the emergency electrical cutoff to reduce potential ignition sources. Apply the rotor brake to secure the rotor during the emergency and evacuation. Finally, evacuate. This sequence ensures the fire is promptly identified, contained, and extinguished, while securing the helicopter and keeping crew safety as the priority.

When a fire involves both engines on deck, the priority is to reliably isolate the engines from fuel and heat, then apply extinguishing agent to stop the fire, followed by securing electrical and preparing for evacuation. Start by confirming the fire to avoid wasting time on a false alarm. Then shut down the engine fuel control switches to stop fuel flow and halt engine operation. Isolate the engine fire suppression system lines to ensure the extinguishing process isn’t compromised and the agent reaches the fire area. With fuel cut and systems isolated, turn off the boost pumps to prevent any lingering fuel circulation. Next, arm and discharge the extinguishing agents for both engines, confirming and pushing the primary then the secondary extinguishing buttons so the suppressant reaches the fire in each bay. After the extinguishing agents are deployed, use the emergency electrical cutoff to reduce potential ignition sources. Apply the rotor brake to secure the rotor during the emergency and evacuation. Finally, evacuate. This sequence ensures the fire is promptly identified, contained, and extinguished, while securing the helicopter and keeping crew safety as the priority.