The requested vessel with name TROYA and MMSI:271041793 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
TROYA 8332100 353920000 CONSTANTA Feb 16, 2018 21:24 UTC
TROYA N/A 235088861 Oct 14, 2017 17:19 UTC
TROYANO N/A 701006604 Feb 17, 2018 14:47 UTC

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