Airspace related - Other involving a Beech Aircraft Corp 1900C, VH-OST, 56 km north of Williamtown Aerodrome, New South Wales, on 26 November 1998
Flight control systems involving a Pilatus Britten-Norman Ltd BN-2A-8, VH-FCO, near Horn Island Aerodrome, Queensland, on 23 November 1998
Airframe event involving a McDonnell Douglas DC9-33F, VH-IPF, Melbourne, Victoria, on 18 November 1998
Airframe event involving a Douglas Aircraft Co DC-9-33F, VH-IPF, Melbourne Airport, Victoria, on 17 November 1998
Fire involving a British Aerospace PLC BAe 146-200A, VH-YAD, 2 km south-west of Adelaide Aerodrome, South Australia, on 16 November 1998