Just found this
The machine plunged to earth and came to rest upside down in a blackberry thicket surrounded by trees beside the Kiewa River, about 1.5km from the Mount Beauty airstrip.
"It looks like he may have been doing a manoeuvre called an auto-rotation, which is an unpowered decline," Sen-Sgt Incoll said.
"Some debris was seen falling from the helicopter but we're not able to identify the cause of the crash until it's investigated."