Jeju Air Crash: Pilots shut off wrong engine; probe finds clear evidence

Time of India

21-07-2025

South Korean investigators have found clear evidence that pilots of the Jeju Air plane that crashed in December shut down the wrong engine after a bird strike, a source familiar with the probe said on Monday.
The investigation, led by South Korea's Aviation and Railway Accident Investigation Board (ARAIB), has found that the left engine, which was less damaged, was shut off instead of the right engine, which had been more seriously affected by the bird strike.
The source told Reuters that cockpit voice recordings, computer data, and a physical engine switch recovered from the wreckage support this conclusion.
"The investigation team has clear evidence and backup data, so its finding will not change," the source said, speaking anonymously as the official report has not yet been released.
The Boeing 737-800 aircraft, operating a flight from Bangkok, crashed while attempting to land at Muan Airport on 29 December 2023. Of the 181 people on board, only two survived, making it the deadliest air disaster on South Korean soil.
An examination of the recovered engines confirmed there were no defects before the bird strike and the crash, according to a government source.
Investigators reportedly shared these findings with the victims' families during a private briefing on Saturday.
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A third source, who was present at the meeting, said the families were told the right engine had suffered greater damage, but the left, less-damaged, engine was shut down instead.
The ARAIB has not officially commented on the findings. Boeing, the aircraft manufacturer, directed queries to ARAIB. Engine manufacturer CFM International, a joint venture between GE and France's Safran, has not responded to requests for comment.
Jeju Air said it is actively cooperating with the investigation and is awaiting the official release of the results.
While a preliminary report issued in January confirmed the presence of duck remains in both engines, it did not specify the extent of damage. A scheduled media briefing on Saturday was cancelled after victims' families objected to the report being made public, saying it unfairly focused on pilot error and failed to consider other factors.
The Jeju Air flight overshot the runway during an emergency belly landing and crashed into an embankment containing navigation equipment. The collision caused a fire and a partial explosion, Reuters reported.
Victims' families and the pilots' union have urged the investigation team to also examine the embankment's role in the severity of the crash. Aviation experts believe the structure may have contributed to the high death toll.
The pilots' union has criticised ARAIB for 'misleading the public' by suggesting there was no problem with the left engine, even though bird remains were found in both engines. The union accused the investigators of making the pilots scapegoats and not providing enough scientific evidence to prove the aircraft could have landed safely with just the left engine running.
The union also said the investigation has so far failed to address possible organisational responsibility. A group representing the bereaved families added that the language in the planned press release made it appear as if a final conclusion had already been reached. They have called for all facts surrounding the crash to be fully examined and clarified.
Under international aviation rules, a final accident report is expected within a year of the incident.