From the ABC:
Plane plunges into lake, 1 missing
Posted December 7, 2007 10:07:00
One person is missing after a light plane crash in the New South Wales Hunter Valley.
The Ambulance Service says the plane crashed into Lake Liddel, 25 kilometres north of Singleton, just after 9:00am (AEDT).
It is not known if there were any other people on board.