The requested vessel with name THUNDER CAPE and MMSI:0 and IMO:5038648 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
THUNDER CAPE N/A 316005382 SAR OP S L. HURON Oct 04, 2017 21:00 UTC

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