News / Aviation
Forty years ago, on August 12, 1985, Japan Airlines Flight 123 crashed into the mountains of Gunma Prefecture, Japan, claiming 520 lives. This tragedy remains the deadliest single-aircraft accident in aviation history. While the disaster is...
### Background Japan Airlines Flight 123, a Boeing 747 SR-46, was a domestic flight from Tokyo to Osaka. The aircraft, registered as JA8119, had been in service since 1974 and had accumulated over 25,000 flight hours.
### The Incident On June 2, 1978, JA8119 experienced a tailstrike during landing, damaging its rear bulkhead. The subsequent repair was found to be inadequate. On August 12, 1985, 12 minutes after takeoff, the faulty repair failed, causing an explosive decompression that severed hydraulic lines and damaged the vertical stabilizer. The pilots struggled to control the plane for 32 minutes before it crashed into Mount Takamagahara.
### Aftermath The crash site became a memorial, and the Safety Promotion Center at Haneda Airport was established to educate about the disaster and prevent future incidents. The president of JAL resigned, and two employees involved in the aircraft's maintenance took their own lives due to the psychological burden.
### Lessons Learned Flight 123 led to significant improvements in aircraft maintenance procedures and safety regulations worldwide. The disaster highlighted the importance of thorough repairs and rigorous inspection protocols.
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