Gyrocopter, Not Reg, Redwood, 20 km north-east of Traralgon, Victoria, on 10 July 1990
Bell 206B, VH-XDM, Rudal River (320 km east of Newman), Western Australia, on 10 July 1990
Grob Twin Astir, VH-IKL, Stirling Range, Western Australia, on 9 July 1990
Piper PA-38-112, VH-HAT, French Island, Victoria, on 8 July 1990
Challenge Rotorcraft, West Wubin, Western Australia, on 7 July 1990
Cessna 172-H, VH-DPC, Deloraine, Tasmania, on 7 July 1990
Collision with terrain involving Piper PA 23, VH-ERT, Wollongong, New South Wales, on 7 July 1990
Robinson R22-Beta, VH-IOT, Charters Towers, Queensland, on 5 July 1990
Cessna 172-D, VH-RKY, Longreach Training Area, Queensland, on 3 July 1990
Piper PA-60-600, VH-AVS, Orange, New South Wales, on 3 July 1990
Pegasus Quantum, Emkaytee (50 km south-east of Darwin), Northern Territory, on 30 June 1990
Schleicher KA-6, VH-GEA, Marulan, New South Wales, on 30 June 1990