Hard landing involving an Amateur Built Q2, VH-OMW, Shepparton Aerodrome, Victoria, on 30 August 1998
Forced/precautionary landing involving a Piper PA-25-235, VH-WGC, Waikerie Aerodrome, South Australia, on 29 August 1998
Loss of separation involving an Airbus A340, BHXI and Cessna 172, VH-ZWR, 7 km south-south-east of Melbourne Aerodrome, Victoria, on 6 August 1998
Fuel starvation involving a Cessna U206F, VH-PQJ, 46 km west-north-west of Kununurra Aerodrome, Western Australia, on 1 August 1998