Cessna 172-N, VH-NAX, French Island, Victoria, on 22 December 1990
Collision with terrain involving Cessna C152, VH-BUO, 3 km east of Kerswell Point, Lake Burragorang, New South Wales, on 21 December 1990
Sirocco, A10-79, Holbrook, New South Wales, on 21 December 1990
Czech Blanik, VH-HDV, Laverton, Victoria, on 20 December 1990
Engine malfunction involving Hiller UH12-E, VH-FBQ, 10 km north-west of Quirindi, New South Wales, on 19 December 1990
Cessna C150-E, VH-JSE, Bankstown Airport, New South Wales, on 19 December 1990
Cessna 210-N, VH-SJG, 80 km north of Leonora, Western Australia, on 19 December 1990
Beechcraft K35, VH-AYU, Bundaberg, Queensland, on 19 December 1990
Glasfugel Hornet, VH-GMQ, Warwick, Queensland, on 17 December 1990
Cessna R172-K, VH-SPW, Melbourne Airport, Victoria, on 15 December 1990
Cessna A188B-A1, VH-SUA, 10 km west of Pemberton, Western Australia, on 14 December 1990
Collision with terrain involving Cessna A188B-A1, VH-UDK, Ginidgeree' Warren, New South Wales, on 11 December 1990