The requested vessel with name TAMARACK and MMSI:0 and IMO:8976279 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
TAMARACK 9261970 636016198 VERA CRUZ, MEXICO Feb 22, 2018 19:49 UTC
TAMARACK N/A 338301912 Nov 09, 2017 17:28 UTC
TAMARACK N/A 235095636 Oct 21, 2017 11:01 UTC

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