The requested vessel with name SAIMA and MMSI:0 and IMO:7648423 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
SAIMAA N/A 211425550 Oct 01, 2017 20:31 UTC
SAIMAA N/A 230011240 SAVONLINNA Aug 21, 2017 10:56 UTC
SAIMAAGRACHT 9288069 246293000 HUSUM SWEDEN Dec 14, 2017 12:35 UTC

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