Air-traffic control investigators are looking into an incident whereby two passenger jets almost collided while flying over Australia.
The Jetstar A320 and Singapore Airlines A330 aircraft came within 305 metres of one another while flying over the Northern Territory.
According to news.com.au, air traffic cleared the Jetstar flight from Darwin to Brisbane to climb through the Singapore's jet's altitude en route from Brisbane to Singapore.
The incident, called a 'loss of separation', occurred 75km southeast of the RAAF Base Tindal, near Katherine.
A 'loss of separation' is when the risk of collision is increased when planes fly within 305 metres vertically and 9.26 kilometres horizontally of each other, the report said.
Australian Transport Safety Bureau (ATSB) Team Manager Mark Walker said they were investigating what caused the incident, the report said.
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The ATBS declined to say how close the aircraft came to each other.
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