The requested vessel with name SPRING FEVER and MMSI:338071919 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
SPRING FEVER N/A 235071463 Nov 02, 2017 13:27 UTC
SPRING FEVER N/A 367612770 Oct 30, 2017 17:43 UTC
SPRING FEVER 1 N/A 316013073 Nov 11, 2017 20:48 UTC

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