Troyer, not registered, near Dooralong, 13 km west of Wyong, New South Wales, on 27 May 1990
Robinson R22M, VH-HBS, 200 km north-east of Newman, Western Australia, on 27 May 1990
Cessna C182, VH-DBT, Corowa Aerodrome, New South Wales, on 26 May 1990
Hughes 269C, VH-MQI, Richmond, Queensland, on 24 May 1990
Piper PA-32-R300, VH-WHG, Launceston, Tasmania, on 23 May 1990
Hiller UH-12E, VH-FFU, 3 km west of Hay Point, Queensland, on 20 May 1990
Beechcraft 23, VH-UAS, Bendigo, Victoria, on 20 May 1990
Collision with terrain involving a Bellanca 8KCAB, VH-BIE, Toogoolawah, Queensland, on 19 May 1990
Hughes 269-C, VH-HFU, 50 km south-east of Papunya, Northern Territory, on 17 May 1990
Cessna 182-Q, VH-FFM, 40 km north-east of Moomba, South Australia, on 16 May 1990
Cessna 210M, VH-PJQ, Kununurra Airport, Western Australia, on 15 May 1990
Piper PA-28-R180, VH-TUT, Jandakot, Western Australia, on 15 May 1990