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 Dec 13, 2017 17:03 UTC
MARIA FILIPA N/A 263949970 Dec 04, 2017 14:35 UTC
MARIA-FRANZISKA N/A 211500480 =J?A Dec 13, 2017 08:24 UTC

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