A PASSENGER jet was told to fly through the holding pattern of another aircraft because a Brisbane air traffic controller hadn't been given enough training, a report has found.
An Australian Transport Safety Bureau (ATSB) report into the incident says the Qantas and Virgin 737s were both headed for Brisbane airport on July 29, 2011.
The air traffic controller on duty told the pilots to enter similar holding patterns at a point 93km southwest of Brisbane Airport.
When directing one of the planes to land, the controller gave priority to the wrong aircraft.
The controller twice directed one 737 to descend through the holding pattern of the second.
But the crew of the plane queried those directions.
Realising the mistake, the flight controller was able to quickly direct the planes to recover separation - the minimum distance required between the planes to avoid risking a collision.
That distance is normally 9.3km, but the aircraft had came within 7.2km of each other.
The ATSB report found while there was no risk of an imminent collision the controller had received a reduced amount of on-the-job training, only four rather the usual six weeks, and didn't have enough experience in high workload situations.
In response to the incident Airservices Australia says it will change its controller training program.
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