The DH84 Dragon VH-AAO appearing in the first few minutes of the film had an interesting life, including the two pre war owners being arrested and jailed en-route between the UK and Australia.
The Dragon's demise is also somewhat unusual:
20.12.47: The aircraft was parked at Coonamble airport, NSW when a violent wind storm bore down on the airport. The aircraft was tied down with ropes and chains but despite those precautions the aircraft was picked up by the storm, lifted over trees around the airfield and deposited over a mile away into the Castlereagh River. Aircraft was totally destroyed. The event was reported (with photographs) in the Sydney Morning Herald on 23.12.47. Date quoted incorrectly as 23.12.47: this was the date of Sydney Morning Herald reported on the windstorm with photos of VH-AAO in the Castlereagh River and Tiger Moth VH-BGK wrecked.
https://aviation-safety.net/wikibase/205253