Australian Transport Safety Bureau finds collision avoidance system failed to activate on Qantas aircraft

An interim report from the Australian Transport Safety Bureau has found that a collision avoidance system failed to activate on a Qantas A330 flying from Perth to Sydney that went too close to another Qantas aircraft travelling from Sydney to Perth. The collision avoidance system on the Perth-Sydney plane activated, but the report concluded the same system did not activate on the other Airbus. The report found an air traffic controller should not have given permission for one aircraft to move from 38,000 feet to 40,000 feet, which would have put it in the path of the Sydney-bound plane travelling