An Air Force fighter jet has been involved in an incident at the Amberley air base on Monday afternoon which appeared to force two crew members to eject.
Images from the scene show two people descending to the ground with parachutes at the site, about 50 kilometres south-west of Brisbane.
An aircraft on the runway, which Nine reported to be an F/A-18 Super Hornet, appeared to have damage around the cockpit.
In a brief statement, a Defence Department spokeswoman said the crew were safe and no other personnel were involved.
“Defence’s first priority is the safety of personnel at RAAF Base Amberley,” she said.
“Defence will provide more information once the immediate actions associated with the incident are completed. The cause of the incident is not known at this time and will be subject to investigation.”