The requested vessel with name WUCHANG and MMSI:0 and IMO:9734812 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
WUCHANG 9657844 477518300 CARTAGENA Feb 20, 2018 18:33 UTC

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