The requested vessel with name SHIRLEY MAHONE and MMSI:367603240 and IMO:0 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
SHIRLEY MAHONE N/A 368186456 Feb 25, 2018 03:40 UTC

Also, you may try to find the vessel in our comprehensive Vessels Database or track this ship on the map.