The news report stated that the occupants "of the tiny 2 seater" donned their oxygen masks to descend. The window (looks more like a door from the pics) hit the wing (not sure how that happened at 300 knots) and missed the tail.
On their way from Perth to Tasmania to catch a flight to New Zealand for a snowboarding holiday.
Photo from Channel 7.
Lucky escape after window falls from plane - Yahoo!7
