112 works from any phone across Europe and is always correct in an emergency (999 in the UK and Ireland too). On the radio, VHF channel 16 and DSC channel 70 reach every rescue centre and ship in range. Calling the responsible maritime rescue centre directly removes a transfer step — the numbers are below.
Free to link and reprint with attribution. Numbers change — if one has changed before we’ve caught it, tell us: support@vesselsos.com.