Serious incident to the Airbus A321 registered VH-OFS operated by Jetstar Airways on 10/08/2026 near Sydney (Australia)
Uncommanded disconnection of autopilot No. 2 during approach, uncommanded climb. Autopilot No. 1 engaged.
Responsible entity
Preliminary data based on the notification from the Australian authorities:
During approach at 3,500 ft, the no. 2 autopilot disengaged and the aircraft entered an uncommanded climb. The captain engaged the no. 1 autopilot, and observed the altitude had increased by 400 ft with a vertical speed of 3,500 feet per minute.