RIP to all the people who perished on JAL Flight 123. May they rest in peace. ----- Japan Air Lines Flight 123 (Japanese: 日航ジャンボ機墜落事故[1]) was a scheduled domestic passenger flight from Tokyo to Osaka, Japan. On August 12, 1985, the Boeing 747 operating the service suffered a severe structural failure and decompression 12 minutes into the flight. After flying under minimal control for a further 32 minutes, the 747 crashed in the area of Mount Takamagahara, 100 kilometres (62 mi; 54 nmi) from Tokyo. The aircraft, featuring a high-density seating configuration, was carrying 524 people. All 15 crew members and 505 of the 509 passengers died in the accident. Some of the fatalities survived the initial impact but died of their injuries hours later while awaiting rescue. All four survivors were seriously injured. The crash of Flight 123 is the deadliest single-aircraft accident in aviation history.[2] Japan's Aircraft Accident Investigation Commission (AAIC),[3]: 129 assisted by the U.S. National Transportation Safety Board,[4] concluded that the structural failure was caused by a faulty repair by Boeing technicians following a tailstrike incident seven years earlier. When the faulty repair eventually failed, it resulted in a rapid decompression that ripped off a large portion of the tail and caused the loss of all on-board hydraulic systems, disabling the aircraft's flight controls.
Wikipedia, Me, air crash investigation, Plane'nBoom, owner of the song, The Longest Road. Background info: The accident aircraft, a Boeing 747SR-46, registration JA8119 (serial number 20783, line number 230), was built and delivered to Japan Air Lines in 1974. It had accumulated slightly more than 25,000 flight hours and 18,800 cycles at the time of the accident (one cycle consisting of takeoff, cabin pressurization, depressurization, and landing).[2] 1978 tailstrike incident On June 2, 1978, while operating Japan Air Lines Flight 115 along the same route, JA8119 bounced heavily on landing while carrying out an instrument approach to runway 32L at Itami Airport. The pilot then excessively flared the aircraft, causing a severe tail strike on the second touchdown. No fatalities occurred among the 394 people on board, but 25 people were injured, 23 minor and 2 serious. The tailstrike cracked open the aft pressure bulkhead. The damage was repaired by Boeing technicians, and the aircraft was returned to service.[5][3][6] The aircraft had flown for 8,830 hours at the time of the tailstrike incident.[5]: 4