A preliminary report by the ATSB into the four-fatality accident near Condobolin on 2 December indicates that there was no distress signal from the aircraft before it broke up in the vicinity of thunderstorms.
The Australian Transport Safety Bureau's Preliminary Aviation Safety Investigation Report into the Piper Chieftain aircraft accident near Condobolin, NSW also found that structural failure spread wreckage along a 4 km path.
An active frontal weather system, accompanied by a line of frequent thunderstorms, was passing through the Condobolin area at the time of the accident. There was no…