What does a "pan-pan" signal on VHF radio indicate?

The "pan-pan" signal on VHF radio is used to indicate urgent information that requires attention but does not pose an immediate threat to life or property. When a boater sends a "pan-pan," they are conveying a situation that is serious enough to warrant communication, such as a mechanical issue or a request for assistance, but it is not an emergency like a "mayday" signal would indicate. This distinction is important in maritime communication, as it helps prioritize responses and ensures that emergency services can focus on life-threatening situations while still addressing urgent needs effectively.

The other signals, such as "mayday," would indicate a life-threatening emergency, while general communication or routine check-ins do not involve urgent scenarios that require a "pan-pan" declaration. Understanding these signals allows boaters to communicate effectively and ensures that critical resources are utilized appropriately in different situations on the water.