Collision on ground involving a Piper PA-28-181, VH-XKX and Socata TB-20, VH-JTY, Bankstown Aerodrome, New South Wales, on 28 December 1998
Loss of separation involving a Boeing 767-300, V8RBJ and McDonnell Douglas F/A-18A, 80 km north-west of Taroom VOR, Queensland, on 15 December 1998
Rejected take-off involving a Saab SF-340B, VH-OLN, Lismore Aerodrome, New South Wales, on 10 December 1998
Airframe event involving a McDonnell Douglas DC9-33F, VH-IPF, Melbourne, Victoria, on 9 December 1998
Collision on ground involving a Cessna 310R, VH-TDS, Maitland (ALA), New South Wales, on 8 December 1998
Operational non-compliance involving a Gates Learjet 36, VH-SLJ and Piper PA-31, VH-MYG, Williamtown Aerodrome, New South Wales, on 6 December 1998
Forced/precautionary landing involving a de Havilland Aircraft Pty Ltd DH-82A, VH-AQN, Palm Meadows Golf Course, 20 km north of Coolangatta Aerodrome, Queensland, on 5 December 1998