The requested vessel with name COLUMBA and MMSI:0 and IMO:6916718 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
COLUMBA 9594602 538004328 RECALADA ARGENTINA Feb 25, 2018 11:48 UTC
COLUMBA N/A 225983785 Nov 22, 2017 09:46 UTC
COLUMBA DOS N/A 225954950 Mar 01, 2017 17:18 UTC
COLUMBA UNO N/A 224523750 Feb 20, 2018 14:56 UTC

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