What happened
The incident occurred during a routine local training exercise conducted at Mallala Airport. The accident involved two twin-engine military transport aircraft operated by the Royal Australian Air Force (RAAF). Shortly after departing the runway, one of the aircraft collided with a second RAAF Avro 652 Anson registered A4-31. Both aircraft were carrying crews of two personnel each.
Following the mid-air impact, both airplanes lost control and crashed in the vicinity of the runway. The collision resulted in fatal injuries for everyone on board. In total, four crew members were killed in the accident. The victims included personnel from the 6th Service Flying Training School (SFTS).
Findings
The source material does not provide specific technical findings or a detailed investigation report regarding the exact mechanical or procedural causes of the collision. It confirms only that the event was a mid-air collision during a training phase, leading to the loss of both aircraft and all personnel involved.