The requested vessel with name EMERALD ISLE and MMSI:0 and IMO:5218602 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
EMERALD ISLE N/A 367139210 BEAVER ISLAND MI Oct 17, 2017 18:06 UTC
EMERALD ISLE N/A 338192204 Oct 14, 2017 22:51 UTC
EMERALD ISLE N/A 601566000 Jun 25, 2017 13:41 UTC
EMERALD ISLE 1 N/A 250000626 FISHINGGROUND Oct 17, 2017 15:01 UTC

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