Safeworking breach – track machine BC7, Bogan Gate, New South Wales, on 15 August 2011
Runway incursion - Piper PA-28-161, VH-BZE and Piper PA-28R-200, VH-PVL, Moorabbin Airport, Victoria, on 11 August 2011
Partial train separation of XPT ST24, near Broadmeadows, Victoria, on 11 August 2011
Icing event - Piper PA-44, VH-FRI, Port Macquarie Airport, New South Wales, on 9 August 2011
Technical assistance to PNG Accident Investigation Committee - GPS data recovery and instrument examination from a MBB BO-105 aircraft that impacted terrain, 5 km south of Timini, Morobe Provence, Papua New Guinea, on 8 August 2011
Breakdown of separation - Cessna 172, VH-WYG and Boeing 747, N171UA, 19km north-west Sydney Airport, New South Wales, on 7 August 2011
Operational non-compliance - Embraer ERJ 190, VH-ZPA, overhead Essendon Airport, Victoria, on 30 July 2011
Loss of separation involving Boeing 737, VH-VZC and Boeing 737, VH-VOT, at BLAKA, 93 km south-south-east of Brisbane Airport, Queensland, on 29 July 2011
Loss of main rotor drive Robinson R44, VH-ZWC, 83 km east of Darwin Airport, Northern Territory, on 28 July 2011
Incorrect aircraft configuration - Airbus A320-232, VH-VQA, Melbourne Airport, Victoria, on 28 July 2011
Procedural non-compliance - Embraer 120, VH-TWZ, Perth Airport, Western Australia, on 28 July 2011
Collision with terrain involving Robinson R22, VH-YOL, 14 km north-west of Fitzroy Crossing, Western Australia, on 27 July 2011