Pan-Pan, said three times (“Pan-Pan, Pan-Pan, Pan-Pan”), is the internationally recognized urgency signal — used for a genuinely serious situation that requires assistance, but doesn’t involve immediate, grave danger to life or the vessel.
Where Pan-Pan Sits in the Distress Hierarchy
- Mayday — grave and imminent danger, life-threatening emergency
- Pan-Pan — urgent, requires assistance, but not immediately life-threatening
- Sécurité — a safety message, such as a navigational warning, not an emergency at all
When Pan-Pan Is the Correct Call
- A medical situation requiring assistance that isn’t immediately life-threatening
- Mechanical failure leaving a vessel drifting but not in immediate danger (e.g., steering or propulsion failure in open water, not near hazards)
- A person missing but no confirmed emergency yet established
- Any situation genuinely requiring priority attention and assistance, without the vessel or crew being in grave, immediate peril
Why the Distinction From Mayday Matters
Using Mayday for a situation that’s actually Pan-Pan-level can trigger a disproportionate emergency response, diverting resources unnecessarily. Using Pan-Pan for a genuinely life-threatening Mayday-level situation can delay the urgent response that’s actually needed. Correctly judging which applies is a real, consequential decision, not just a formality of word choice.
Pan-Pan Message Format
Similar structure to a Mayday call — vessel identification, position, nature of the urgency, and assistance required — but transmitted with the Pan-Pan prefix rather than Mayday, correctly signaling the actual severity level to anyone monitoring the frequency.
Exam Relevance
Pan-Pan’s position in the distress signal hierarchy, and correctly judging when it (rather than Mayday) is the appropriate call, are core GMDSS and Communication topics in deck officer competency exams.