How should flight deck communicate with ATC in a fire event?

• A. Provide position, altitude, nature of emergency, and intentions
• B. Declare mayday, provide position, altitude, nature of emergency, and intentions
• C. Wait for ground control to initiate contact
• D. Simply squawk 7700 and remain silent

Answer: (B)

In an inflight fire, the priority is to gain immediate emergency attention and give ATC the information needed to manage airspace and coordinate a safe landing. Declaring mayday signals a life-threatening situation and triggers urgent handling by controllers. Along with that call, providing your exact position and altitude lets ATC pinpoint where you are, the nature of the emergency communicates the risk you’re facing, and your stated intentions tells them what you plan to do—typically diverting to the nearest suitable airport and requesting priority landing. With this combination, ATC can clear the airspace, guide you with vectors or an expedited approach, and mobilize emergency services on the ground, all while you concentrate on managing the onboard situation. Waiting for ground control to initiate contact is too slow in a fire event, and simply squawking a general emergency code without the accompanying information leaves controllers without the critical context they need to respond effectively.