The requested vessel with name MARIA F and MMSI:0 and IMO:7217016 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
MARIA FERNANDA I N/A 345991297 Sep 09, 2014 12:09 UTC
MARIA FERRE DOS N/A 224012860 Oct 19, 2017 11:05 UTC
MARIA-FRANZISKA N/A 211500480 =J?A Oct 05, 2017 12:36 UTC

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