The requested vessel with name PLAN A and MMSI:378247000 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
PLAN A N/A 339464000 FT LAUDERDALE Feb 21, 2018 23:33 UTC
PLAN A N/A 538070978 FT LAUDERDALE Mar 15, 2016 19:00 UTC
PLAN A _ N/A 244890495 DUSSELDORF Nov 12, 2016 16:29 UTC

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