Those involved in a near-miss between a Virgin airplane and small training aircraft at Albury Airport will be interviewed about the incident.
The packed Virgin flight from Sydney to Albury was forced to abandon its approach about 9.45am on October 19.
The crew received an alert at 1300 feet, while in the process of landing, for a nearby aircraft operated by the Australian Airline Pilots Academy.
Passenger Carolyn Gillard was on board the Virgin flight with her family and said she was shocked to look out and see the plane.
"I thought 'holy cow, that shouldn't be there'," she said.
"I knew it was too close.
"I asked another lady if she saw it and as I said that, the plane took off and aborted the landing."
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The Australian Transport Safety Authority has released an initial report into the near-collision, which it listed as a "serious incident".
"As part of the investigation, the ATSB will interview directly involved parties and obtain other relevant information, including recorded data," the report states.
The report states the Virgin pilots increased separation between the two aircraft after receiving the alert.
Flight data shows the plane gained altitude, circled the airport, and made a successful landing.
The type of Virgin aircraft involved in the incident can carry about 64 passengers.
The training aircraft had flown from Wagga and was also due to land at Albury.
The Albury Airport air control tower is not manned 24 hours a day.
Ms Gillard said no-one from Virgin or the aviation authority had made contact after landing.
"There was an announcement that the Virgin pilots had to submit a report which delayed the next plane," she said.
"There should have been communication about what happened."
Investigators are gathering evidence, with the investigation likely to be finalised by early to mid 2020.