It is transmitted only if the ship or its crew is in immediate danger and urgent assistance is required.
- Switch VHF radio station to channel 16
- ''MAYDAY, MAYDAY, MAYDAY''
- ''This is (ships’ name or call sign, 3 times)''
- ''My position is (Latitude and Longitude)''
- Indicate nature of distress (sinking, fire, collision, grounding, capsizing...)
- Other information (type of help requested, number of persons onboard, description of the ship…)
- ''Over''
|
It is transmitted if the distress call is not justufied, but the call refers to safety of the ship or its crew.
- Switch VHF radio station to channel 16
- ''PAN-PAN, PAN-PAN, PAN-PAN''
- ''All ships (3 times)''
- ''This is (ships’ name or call sign, 3 times)''
- ''My position is (Latitude and Longitude)''
- Indicate type of help requested (man over the board, urgent medical assistance, engine failure…)
- "Over"
|
It is transmitted when an important navigational or meteorological warning should be given.
- Switch VHF radio station to channel 16
- ''SECURITE, SECURITE, SECURITE''
- ''All ships (3 times)''
- ''This is (ships’ name or call sign, 3 times)''
- Indicate the details of the warning (sudden storm, obstacle on fairway)…
- "Over"
|