Captain Danniel Lyon, Lieutenant Maxwell Nugent, Warrant Officer Class 2 Joseph ‘Phillip’ Laycock and Corporal Alexander Naggs lost their lives during the accident, which occurred on 28 July 2023 during Exercise Talisman Sabre.
The descent was controlled by an auto-flight system that had to be disconnected when the aircraft dipped to 480 ft below the minimum safe level and wouldn’t respond to crew instruction.
Flight QF643 took off from Sydney at around 8:45am aboard the 13-year-old 737-800 VH-VZV, but landed again after circling the airport for approximately half an hour. The aircraft was able to land safely and taxi back to the gate, with no smoke having e…