Plane crash cause investigation begins Share AN investigation has been launched into the cause of a plane crash in Heatherton last week. A Piper PA-32-300 aircraft crashed one kilometer north of Moorabbin Airport last Tuesday, 22 June, just after midday. The pilot, who was the sole occupant of the plane, was taken to hospital with serious injuries. The plane was destroyed when it hit the ground. A statement from Victoria Police read “it is believed a light plane crashed into trees shortly after take-off from Moorabbin Airport just after midday. The plane crashed into a paddock in semi-rural area of Heatherton – close to Moorabbin Airport.”