Lion Air Flight 610

Aircraft and flight

The flight was a short domestic sector bound for Depati Amir Airport in Pangkal Pinang. Shortly after takeoff the crew reported flight-control issues to air traffic control in Jakarta. The aircraft climbed and descended repeatedly before it impacted the sea. Flight-data and cockpit-voice recorders were later recovered and formed the basis of the technical investigation.

Investigation and key findings

National investigators, assisted by international agencies and manufacturers, examined recorder data, maintenance records and crew communications. A primary technical factor identified was erroneous input from an angle-of-attack sensor. That faulty data repeatedly activated an automated flight-control function designed to enhance handling characteristics. Investigators concluded that the system commanded repeated nose-down control inputs in response to the bad sensor readings and that the flight crew struggled to override those commands.

• Sensor failure: incorrect angle-of-attack readings initiated a hazardous control sequence.
• Automated control behavior: the design and activation logic of the augmentation system were scrutinized for contributing to the event.
• Human and organizational factors: crew responses, training, airline maintenance practices and documentation were evaluated as contributing elements.

Investigators produced recommendations addressing technical design, training and operational procedures. The accident report emphasized that safety depended on interactions among sensors, automation and human operators rather than a single isolated cause.

Casualties, recovery and aftermath

The accident resulted in the loss of all people on board. Recovery operations and forensic work were undertaken to identify victims and recover the recorders. The crash prompted broad regulatory and industry responses: the aircraft model was subjected to intense scrutiny, changes were required to software and procedures, and additional pilot training and guidance were implemented by regulators and the manufacturer. The event, and subsequent related accidents, led to temporary operational restrictions for the type while updates and reviews were completed.

The case remains widely cited in discussions of aircraft automation, sensor reliability and the need for clear procedures and training so crews can manage unexpected automated behavior. Further reading and official reports are available from national investigation agencies and contemporary news coverage; for example, initial reporting by regional press and official summaries from investigative bodies provide detailed timelines and technical explanation. Additional resources include airport information pages for the origin and destination airports: Soekarno–Hatta and Depati Amir, as well as geographic context for the crash area near Java.