Ocean Viking sends an email to LYJRCC with ITMRCC, MTRCC and Alarm Phone in copy, to inform that at 1825Z, the following message was received via VHF CH 16: ‘MAYDAY MAYDAY for a boat in distress in position 33 28N 013 53E.’ MV Ocean Viking tried to contact via VHF CH16 the station sanding a Mayday Call: No Reply.