Collision with terrain involving an ICA Brasov IS-28B2, VH-WVQ, 3 km west-north-west of Mount Beauty, Victoria, on 10 April 1993
VFR into IMC involving Piper PA-28RT-201T, VH-IWJ, 5 km north-west of Evans Head, New South Wales
Loss of separation involving a Fokker B.V. F28 MK 4000, VH-FKI, Meekatharra, Western Australia, on 7 April 1993
Loss of separation involving an Airbus A320-211, VH-HYI and Beech Aircraft Corp 56TC/A1, VH-KPY, 9 km south-east of Perth, Western Australia, on 7 April 1993
Diversion/return involving a Boeing 747-438, VH-OJQ, En-route Bangkok - London, United Kingdom, on 7 April 1993
Breakdown of co-ordination involving a Boeing 727-277, VH-ANA, 270 km north of Sydney, New South Wales, on 6 April 1993
Hard landing involving a Robinson R22 Alpha, VH-NOC, Kununurra, Western Australia, on 6 April 1993
Air-ground-air involving a Piper PA-31, VH-OFF, 30 km north-east of Canberra, New South Wales, on 5 April 1993
Rejected take-off involving an Embraer EMB-110P1, VH-LNB and Piper PA-28-180, VH-WIL, Port Lincoln, South Australia, on 5 April 1993
Airspace incursion involving a Piper PA-34-220T, VH-PZP, Devonport, Tasmania, on 3 April 1993
ANSP info/procedural error involving a Boeing 737-376, VH-TJB, Launceston, Tasmania, on 2 April 1993