What is the call for a LIFE THREATENING signal?

The call for a life-threatening situation is "MAYDAY MAYDAY MAYDAY." This term is a universally recognized distress signal used in maritime and aviation communications to indicate an immediate danger to life or the vessel. When someone sends a MAYDAY call, they are alerting authorities and nearby vessels that they are in a critical situation requiring urgent assistance, such as sinking, fire on board, or medical emergencies.

Using "MAYDAY" three times emphasizes the seriousness of the distress and ensures that the message is prioritized by listeners. In the context of emergency procedures, it's essential for the distinction between different types of distress calls. "PAN PAN PAN," for example, indicates a situation that is urgent but not life-threatening, while "SECURITAY SECURITAY SECURITAY" is used for safety messages. "CHARLIE - QUEBEC" does not serve as a distress signal and is irrelevant in this context.

Therefore, "MAYDAY MAYDAY MAYDAY" is the correct response for indicating a life-threatening scenario, clearly signaling to others the need for immediate help and mobilizing a response effectively.