Derailment of Ballast Train 8M24N, near Broken Hill, New South Wales, on 11 April 2012
Technical assistance to RA-Aus in the assessment of aircraft instrumentation - Collision with terrain, XT912 Microlight trike, reg 32-7581, near Cootamundra, New South Wales, on 7 April 2012
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
Runway Excursion - Ju 8257, Fokker 50, Oyut Airport, Mongolia, 30 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
Collision involving a motor vehicle and train 4460S, 10 km south of Port Germein, South Australia, on 19 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
Derailment of freight train 7SP3, near Roto, New South Wales, on 4 March 2012