The requested vessel with name JELGAVA and MMSI:211601820 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
JELGAVA N/A 275428000 May 25, 2017 21:29 UTC

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