I believe this may be the tug.
MERMAID VANTAGE
Position Recorded on: 10/16/2010 11:47:22 PM (UTC)
Lon/Lat: 115.4147 / -19.962139
Speed/Course: 2 kn / 80�
Don't know if this link will work for the map.
http://www.marinetraffic.com/ais/default.aspx?oldmmsi=565903000&zoom=10&olddate=10/16/2010%2011:47:22%20PM