Total power loss involving a Piper PA-28-181, VH-XKX, Bathurst Aerodrome, New South Wales, on 16 December 1999
Hard landing involving a Hughes Helicopters 269C, VH-OCD, Moorabbin Aerodrome, Victoria, on 9 December 1999
Cessna U206A, VH-XGR, near Sweers Island, Gulf of Carpentaria, Queensland, on 24 November 1999
Smoke involving a Piper PA-31-350, VH-XLA, Sydney Aerodrome, New South Wales, on 24 November 1999
de Havilland Canada DHC-7-102, VH-UUM, 13 km west-south-west of Cairns Aerodrome, Queensland, on 17 November 1999