After assessing the use of autogyros through 1942-3, the RAAF and the Army identified a number of roles and tasks which justified the need to acquire a rotary wing capability for the Australian armed forces. However, before any helicopters could be purchased, the war ended and any sense of urgency in establishing an operational rotary wing capability was lost. 

To read more, download the knowledge article The RAAF Rotary Wing Experience: Preparing for War