Flight control systems involving a Cessna 402C, VH-UCD, 9 km south-east of Palm Island (ALA), Queensland, on 26 February 1999
Air/pressurisation involving a Airbus A320-211, VH-HYC, 56 km north of Rockhampton VOR, Queensland, on 22 February 1999
Air-ground-air involving a Boeing 747-100, N852FT, 9 km north-north-west of Melbourne Instrument Landing System, Victoria, on 21 February 1999
Runway excursion involving a Piper PA-28-161, VH-CWW, Lilydale (ALA), Victoria, on 20 February 1999
Animal strike involving a Embraer EMB-820-C, VH-HVA, Coonabarabran Aerodrome, New South Wales, on 10 February 1999
Loss of control involving a Yakovlev 55-M, RA-44512, Camden, New South Wales, on 7 February 1999
Abnormal engine indications involving a British Aerospace PLC 3107, VH-TQK, 56 km south-west of Williamtown, New South Wales, on 4 February 1999