Loss of separation involving a Airbus A320-211, VH-HYJ and Boeing 737-376, VH-TAX, 370 km east of Perth Aerodrome, Western Australia, on 5 July 1998
Wheels up landing involving a Beech Aircraft Corp E55, VH-INP, Jandakot Aerodrome, Western Australia, on 4 July 1998
Collision with terrain involving a Robinson R22 Beta, VH-BFA, Brunette Downs (ALA), Northern Territory, on 1 July 1998
Airframe event involving an Embraer EMB-110P1, VH-LNB, Port Lincoln Aerodrome, South Australia, on 27 June 1998
Warning devices involving a Boeing 767-277, VH-RMG, Hamilton Island Aerodrome, Queensland, on 25 June 1998
Collision with terrain involving a Cessna T210N, VH-EYZ, Mataranka, Northern Territory, on 23 June 1998
Total power loss involving a British Aerospace PLC BAe 146-200-11, VH-JJS, 74 km south of Broome Aerodrome, Western Australia, on 23 June 1998