Wirestrike involving Hughes 269 C, VH-KHO, Green Vale' Barellan, New South Wales, on 23 October 1990
Beech 200, VH-IBD, Cairns, Queensland, on 23 October 1990
Piper PA-23-250 T, VH-ICY, Oenpelli, Northern Territory, on 23 October 1990
Cessna P210N, VH-WPM, Wimpinmerit, South Australia, on 21 October 1990
Loss of control involving Glasflugel Libelle, VH-GCS, Woodvale Gliding Strip, near Bendigo, Victoria, on 20 October 1990
Piper PA-25-235, VH-TNE, Pipers Field, 15 km west of Bathurst, New South Wales, on 20 October 1990
Bell 47 KH4, VH-HFV, Mataranka, Northern Territory, on 18 October 1990
Piper PA-28-161, VH-XMB, Goulburn, New South Wales, on 16 October 1990
Piper PA-28-R200, VH-CEB, Nowra, New South Wales, on 15 October 1990
Cessna 150-G, VH-RXI, 186 km north-west of Meekatharra, Western Australia, on 15 October 1990
Miscellaneous - Other involving Aerospatiale SA365C-2, VH-HCF, 5 km west of Prospect, New South Wales, on 14 October 1990
Piper PA25-235, VH-HGQ, "Strath Avon", 46 km south-west of Nyngan, New South Wales, on 14 October 1990