On 6 February 2023, a Boeing 737-300 owned by Coulson Aviation and used as an air tanker crashed in the Fitzgerald River National Park in the Great Southern Region of Western Australia while fighting multiple fires.

[6] On 6 February 2023, at 12:08 pm, the aircraft involved took off from the Busselton Margaret River Airport on the first of three missions that day to respond to a fire near Hopetoun.

[2][7] A report of the preliminary investigation released on 3 May 2023 stated that the aircraft had hit a ridge line while dropping retardant at a low altitude.

After the aircraft had slid to a rest, the pilots had been able to escape through the left side cockpit window only sustaining minor injuries.

[8] On 6 November 2024, the final report was released, which determined that the accident was caused by a controlled flight into terrain (CFIT) due to pilot error after stalling.