The requested vessel with name ESSAYONS and MMSI:0 and IMO:7739909 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
ESSAYONS 7923495 366972000 PORTLAND Oct 21, 2017 05:14 UTC
ESSAYONS N/A 366908170 Sep 06, 2017 20:00 UTC

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