South Korea’s Aviation and Railway Accident Investigation Board (ARAIB) has completed its initial investigation into the Dec. 29 Jeju Air crash near Muan Airport, which involved a bird strike leading to a failed emergency landing. The ARAIB briefed victims’ families on Saturday and announced plans to submit a preliminary report to the International Civil Aviation Organization (ICAO) by Monday, sharing key findings with stakeholders, including the U.S. and France.

Preliminary findings reveal that the plane struck a flock of Eurasian teals, causing both engines to fail mid-flight. Black box recordings ceased four minutes before the crash, which ended in the aircraft colliding with ground infrastructure. Wreckage analysis and detailed black box synchronization are ongoing, while South Korea collaborates with international experts to determine the cause and issue safety recommendations.