Breakdown of co-ordination involving Boeing 737-377, VH-CZG and Boeing 737-376, VH-TJD, Mount Isa, Queensland, on 1 March 1991
Kawasaki Bell 47, VH-JKX, Red Bank Mine (30 km west-north-west of Wollogorang), Northern Territory, on 17 February 1991
Total power loss involving an Aero Commander 681, VH-NYG, Tamworth, New South Wales, on 14 February 1991
Robinson R22 Beta, VH-LER, Mount Dudley, 3 km north of Trunkey Creek, New South Wales, on 13 February 1991
Piper PA-31 Navajo, VH-ITF, Embraer EMB110-P2 Bandeirante, VH-MWX, 50 km south of Ballidu, Western Australia, on 4 February 1991
Taylor Monoplane, VH-TPQ, 20 km north-north-west of Ardlethan, New South Wales, on 2 February 1991
Skyfox CA21, 55-604, Nellybri Station, 30km east-north-east of Surat, Queensland, on 30 January 1991