208B — Cessna Aircraft Company 208B

This document is an investigation report by the Australian Transport Safety Bureau (ATSB) concerning an incident involving a Cessna 208B Grand Caravan. The report details an engine malfunction that occurred during a flight from Lizard Island Airport to Cairns Airport on January 8, 2024. The aircraft, operated by East Air, experienced uncommanded engine acceleration, leading to a runway overrun and subsequent damage to the aircraft. The report outlines the findings of the investigation, including the nature of the engine malfunction, pilot actions, and recommendations for training and operational procedures to enhance safety. It serves as a critical resource for pilots and operators of the Cessna 208B, highlighting the importance of understanding engine control unit malfunctions and the need for effective emergency procedures.

• Cessna 208B Grand Caravan experienced uncommanded engine acceleration during flight.
• Pilot attempted to troubleshoot the engine issue but could not regain control, leading to a runway overrun.
• Engine limitations include a maximum torque of 1,865 ft-lb and an interstage turbine temperature limit of 765°C.
• Pilot had over 2,431 hours of experience on the C208 type and was well-rested before the flight.
• Recommendations include improved training for pilots on engine control unit malfunctions.