The requested vessel with name CAPTAIN YAKUBOVICH and MMSI:0 and IMO:7337464 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
CAPTAIN YAKUBOVICH 8318740 273348130 JP ISM Feb 20, 2018 10:17 UTC

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