The requested vessel with name KALITHEA and MMSI:44700522 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
KALITHEA N/A 244700522 WESEL Feb 20, 2018 11:44 UTC

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