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Q&A · Survival

Essential information to include in a Mayday call?

April 5, 2026

Quick Answer

When making a Mayday call, it's essential to provide your location, the nature of the emergency, and your estimated time of survival. State your vessel's name, position, course, and speed, as well as the number of people on board. Be clear and concise, avoiding unnecessary details.

Essential Information for Mayday Calls

When calling for help in a distress situation, every second counts. Your Mayday call should include the following essential information to ensure prompt rescue:

Provide your vessel’s name, position, and estimated time of arrival at your destination. If you’re in a fixed position, such as being anchored or beached, clearly state your location using latitude and longitude coordinates, or provide your nearest landmark or reference point. Be prepared to provide this information in the correct format, such as using nautical miles and coordinates.

Mayday Call Structure

A standard Mayday call should be structured as follows: “Mayday, Mayday, Mayday, this is [vessel name] on [position], with [number] people on board. We are experiencing [nature of the emergency]. Our estimated time of survival is [time]. We are on a course of [course] at [speed] knots.” This format allows authorities to quickly assess the situation and dispatch aid.

Additional Details

In addition to the essential information, provide any relevant details that may aid in your rescue, such as your vessel’s draft, water depth, or nearby hazards. If you have a specific request, such as needing a particular type of rescue or medical assistance, state it clearly and concisely. Remember to remain calm and provide updates as necessary to ensure a successful rescue operation.

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