Loss of separation involving a Airbus A320-211, VH-HYG and Boeing 737-376, VH-TAG and Airbus A320-211, VH-HYE, 50 km west of Filet, Western Australia, on 2 March 1998
Loss of separation involving a Beech Aircraft Corp 1900D, VH-SMH and Beech Aircraft Corp 95-B55, VH-GKB, 19 km north of Williamtown Aerodrome, New South Wales, on 26 February 1998