T.01 — Free tool
Standard VHF radio preambles and message templates used in maritime communications.
Grave and imminent danger, immediate assistance required
Only use when there is grave and imminent danger to life. False or misuse of a MAYDAY call is a criminal offense in most jurisdictions.
MAYDAY MAYDAY MAYDAY
THIS IS [vessel name] [vessel name] [vessel name]
MAYDAY [vessel name]
MY POSITION IS [position]
I AM [nature of distress]
I REQUIRE IMMEDIATE ASSISTANCE
[persons on board] PERSONS ON BOARD
[other information]
OVER
MAYDAY [vessel name] [vessel name] [vessel name]
THIS IS [responding station] [responding station] [responding station]
RECEIVED MAYDAY
ASSISTANCE IS ON THE WAY
OVER
Cancel distress when danger is over
MAYDAY
ALL STATIONS ALL STATIONS ALL STATIONS
THIS IS [vessel name] [vessel name] [vessel name]
TIME [time]
SEELONCE FEENEE