The Australian Transport Safety Bureau (ATSB) is investigating the collision with terrain involving Robinson R22, VH-RAS, near Cowcowing Lakes, Western Australia, on 2 October 2022.
The pilot and passenger were fatally injured and the aircraft was destroyed.
The evidence collection phase of the investigation will include examination of the accident site and wreckage, and the collection of other relevant evidence, including any recorded data, weather information, witness reports, and maintenance records.
A final report will be released at the conclusion of the investigation. However, should a critical safety issue be identified during the course of the investigation, the ATSB will immediately notify relevant parties, so that appropriate safety action can be taken.