Airspace related event - Piper PA-39, VH-ICS and a Pacific Aerospace CT/4B, VH-YCR, 15 km east of Gunnedah Airport, New South Wales, on 21 February 2012
Breakdown of separation between GAF Nomad N22C, VH-ATO and two Boeing 737s, VH-VZA and VH-TJY, 17 km north-east of Melbourne Airport, Victoria, on 16 February 2012
Descent below minimum safe altitude involving Boeing 737-476, VH-TJS, 21 km south of Canberra Airport, Australian Capital Territory, on 12 February 2012