Cessna 182-Q, VH-UMR, 30 km east of Mainoru, Northern Territory, on 28 November 1990
Hughes 369-D, VH-PPD, 5 km west of Gayndah, Queensland, on 28 November 1990
Cessna 172 RG, VH-KDO, Rye Park' Carabost, New South Wales, on 26 November 1990
Hughes 269-C, VH-NCL, Lethbridge, Victoria, on 24 November 1990
Bell 412, VH-NSV, Maersk Valiant, Western Australia, on 23 November 1990
Lemke-Schneider LS-3, VH-GQI, 20 km east of Waikerie, South Australia, on 22 November 1990
Cessna 175, VH-RHD, Armagh Station, (20 km south-west of Alpha), Queensland, on 22 November 1990
Beechcraft C35, VH-DBC, "Karuma" 37 km south-west of Goodooga, New South Wales, on 21 November 1990
Cessna 172-N, VH-TKH, 25 km north-west of Oakey, Queensland, on 21 November 1990
Collision with terrain involving an Air Tractor AT-502, VH-OMC, 13 km east of St George, Queensland, on 20 November 1990
Airframe - Other involving De Havilland DHC2-FP, VH-AQA, Palm Beach, New South Wales, on 18 November 1990
Boeing 737-376, VH-TAW, Cairns, Queensland, on 18 November 1990