Near collision involving Airbus EC135, VH-UJB, and Aero Commander 690-A, VH-ATF, about 45 km west-north-west of Warrnambool Airport, Victoria, on 12 March 2025

Summary

The ATSB is investigating a near collision involving an Airbus EC135 helicopter, registered VH‑UJB, and an Aero Commander 690‑A aircraft, registered VH‑ATF, about 45 km west‑north‑west of Warrnambool Airport, Victoria, on 12 March 2025.

During aerial firefighting operations, the crew of the Airbus EC135 detected the Aero Commander 690-A in close proximity on TCAS. No radio calls were heard from the 690-A and the EC135 manoeuvred to establish separation.

The final report has been drafted and is undergoing internal review to ensure the report adequately and accurately reflects the evidence collected, analysis, and agreed findings.

The final report will be released at the conclusion of the investigation. 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.