Incident Overview Facts

  • Incident occurred on 1985-08-12 involving null aircraft JA8119 (Boeing 747-100).
  • Location: Mount Takamagahara, Japan.
  • Fatalities: 520 out of 524 occupants on board.

Investigation Summary

Japan Airlines Flight 123 suffered explosive decompression and total hydraulic failure following improper bulkhead repair, resulting in the deadliest single-aircraft accident in history.

Airframe & Operator Details

Operating Carrier
Aircraft Model
Boeing 747-100
Registration Mark
JA8119
Mode S Hex

Location & Impact

Accident Location
Mount Takamagahara
Country
Japan
Total Fatalities
520
Total Occupants
524

See Also