What: Qantas Boeing 737-800 en route from Darwin to Melbourne
What: Qantas Boeing 717 arriving en route from Alice Springs to Darwin
Where: Darwin
When: Oct 2, 2012
Who: (up to) 295 aboard
Why: Two Qantas flights came to within 250 metres of each other over Darwin were caught not by the human ATC, but only by the traffic collision avoidance system on board the plane from Alice Springs. The system reported the other plane was 247 metres below.
An investigation is currently underway to determine if the Darwin a defence air traffic controller sent the jets on a collision course.
The Qantas-badged 717 was operated by Cobham, a flight contractor.




Alliance Air flight QQ-2700 made an emergency landing in Longreach, Australia, on July 16th.