Breakdown of separation - Boeing 737-838, VH-VXI and an Airbus A330-243, B-6073, near Tindal, Northern Territory, on 6 April 2012
Losses of separation assurance involving Airbus A330-243, PK-GPO and Airbus A330-341, PK-GPA, near ATMAP (IFR reporting point), Western Australia, on 31 March 2012
Technical assistance to the Queensland Coroner relating to accident involving Europa XS registered VH-EUM, 30 March 2012
Runway incursion - SAAB 340, VH-ZLH / Vans RV10, VH-PGX, Taree Airport, New South Wales, on 23 March 2012
Loss of separation assurance - VH-EBE/VH-TQL, Airbus A330/De Havilland DHC-8, 28 km N Cairns Aerodrome, 21 March 2012
Runway excursion - Aircraft unknown, Williamtown Airport, New South Wales, on 21 March 2012
ATC procedural error involving Piper PA34, VH-FEJ, 37 km south-west of Townsville, Queensland, on 14 March 2012
Hard landing - Airbus A340-313X, CS-TQM, Darwin, Northern Territory, on 28 February 2012
Collision with terrain - Robinson R22, VH-HRY, 95 km south-west of Springsure ALA, Queensland, on 21 February 2012
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