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Worst single-plane disaster ever was 41 years ago - Special Thread August 12 1985: Japan Airlines Flight 123, a B-747, crashes in Gunma (Japan). 4 survivors, 520 dead: worst single-plane disaster ever. Explosive decompression severely damaged the tail and hydraulics, severely damaging controls. Cause: improper repairs to rear bulkhead... show more
331,921 次观看 • 1 个月前 •via X (Twitter)
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Pictures taken by passengers after the sudden decompression. Despite severe damage affecting the jet´s handling, the crew was able to use engine thrust to keep it in the air for 32 mins before the aircraft went down. Story of the photographs here ⬇️2/12
Associated Press footage of the crash aftermath. The aircraft went down on the Osutaka Ridge, and as such, the accident is also known as “Mount Otusaka Air Disaster”🧵⬇️3/12
Some Pictures of the crash aftermath and the jet before the accident (its registration was “JA8119) Note the extent of damage to the landscape. The jet´s impact tore off the outer third of the right wing and two engines, scattering them 500–700 meters ahead. The aircraft then flipped inverted and struck another ridge 570 meters northwest before exploding. 🧵⬇️4/12
Brazilian TV period news report on the accident. I guess the news must have been all over the evening broadcasts that day, but strangely I can´t find anything from US or British broadcasters (at least on YouTube) Japanese TV Breaking News segments compilation (about 1 hour of video here) 🧵⬇️5/12
FAA “Lessons Learned” feature on this occurrent, which became a case-study for maintenance in aviation. The link shows in detail how the decompression affected controls and also the improper repairs. Link to the accident report (translated to English) This is one of the most thoroughly detailed enquiries of this type I have ever seen. 🧵⬇️6/12
Part of a CVR recording (Edited and w/ English subtitles) showing flight´s route and the crew´s struggle to control an aircraft that, as one Captain described “it was doomed” since the decompression. NOTE: CONTENT MAY DISTURB LISTENERS. 🧵⬇️7/12 Full video here -
Real-time X-Plane animation of the accident sequence, using CVR audio and with English subtitles. This also gives a good idea of the struggle the crew faced to last the flight for so long. Not even in simulators other pilots were able to last as long airborne as the JAL 123 crew did. 🧵⬇️8/12 Full video here
Mayday Air Crash Investigation Full episode on the occurrence 🧵⬇️9/12
In 2023 the “Mayday Air Crash Investigation” series remade the episode on JAL 123, with updated graphics and info. Trailer here “Seconds for Disaster” Episode on the occurrence 🧵⬇️10/12
“JAL 123: a Japanese Tragedy”, a 1999 BBC documentary on the Japanese officials’ reactions to the disaster. Controversially, Japanese authorities delayed SAR by about 14 hours after misidentifying the crash site and assuming there were no survivors. It also declined assistance from nearby US forces. It was later found more people might have survived if the crash side was reached sooner. 2016 memorial ceremony on Japan, as reported by AFP 8/12
Among the victims was Japanese singer Kyu Sakamoto, known outside of Japan by songs like Sukiyaki (Ue o Muite Arukou), here with lyrics and translation. Thanks to @md80.com for sharing this one 🧵⬇️ 11/12
Picture of 19-y-o Keiko Washino, posing just before boarding the flight. She was not among the four survivors. 🧵⬇️12/12
i find plane crashes eerily fascinating and remember hearing that audio long ago. the fact that other pilots couldn't keep the plane flying in the sim for nearly as long says a lot about the flight crew and their efforts.
Yes, really shows how much they fought to save it
It’s crazy that more than 4 people survived the actual crash, but in the end, due to a variety of factors, including a delayed rescue response, only 4 survived the entire incident. The other survivors of the actual crash died overnight awaiting rescue, leaving only 4 in the end.
True. It is a miracle 4 people survived, but there could have been more
Hard to believe that was 41 years ago. Such an awful tragedy.
Time GOES by fast
How did anyone survive that?
To BE fair, a great deal of.luck
Lengthy terror for the souls on board.
Nightmare fuel
Thankful to be living at a time when engineers, investigators, & regulators all seem to be in alignment & contributing to an industry that benefits from effective data collection & "lessons learned."
Comunication evolver a lot, and that is much beneficial for safery
Many questions left, ranging from conspiracy theory of accidental shoot down to, from ALPA Japan, inspections of repair, many reported problems with rear toilet door/coat room, accident investigations not in line with ICAO & lack of independence of JTSB.
I recall reading on that. This accident sure took a dent on Japanese society
These are the 2023 ALPA Japan reports based on new information. Hadn't seen these before.
Sadly not translated. But some of the illustrations have been updated
Quickly skimmed the 7-page Japanese overview and great points throughout and some technical stuff that will have to digest. Google translate, have to admit, is pretty decent now.
What happened to the 4 survivors?
Fate, basically
the “improper maintenance from years ago failing on your unlucky flight” is the worst type of accident imo
Yes: a time bomb, basically
I listened to a podcast from one of the four survivors and it was very compelling. She was on that mtn for days. When one of the locals found her, he wouldn’t approach and almost shot her because he’d never seen a white person before and thought she was a ghost of a dead passngr
You must be thinking on another accident
I did a little research and you’re right.
Tenerife mate!
Tenerife was the worst with Multiple aircraft involved.
It was the 2nd worst. Tenerife was the worst.
The real tragedy was the Japanese rescue effort. A US military aircraft in route to Yokota Air Force Base saw the crash site and reported its position. US Marines from Yokosuka responded to the crash site, but were eventually turned back by Japanese authorities. 16 hours later...
Hold my beer... Tenerife airport disaster - Wikipedia
![This was such a close call that all simulations on it resulted in a crash [and would have likely been one of the worst in history had it been so] August 9 1978: Olympic Airways Flight 411, a B-747 with 418 aboard, had a near miss over Athens (Greece). Due to crew actions on takeoff, engine thrust was reduced drastically. The jet lost significant altitude and speed: it flew as low as 153 ft and at a speed of 158 kts before the crew recovered. Boeing inquiry stated the jet lost power after crew mistakenly turned off the engine´s water injection system, reducing thrust, which led to a loss of altitude and speed that put the plane near an irrecoverable stall. To get an idea of how close this came to a major disaster (a 747 loaded with fuel going down in a major city), all of Boeing´s simulations of the scenarios presented in the flight resulted in a crash. Video is an excerpt from an analysis by Mentour Pilot, well worth a check – you can see the full video on the link here](https://image.24vids.com/tw-2086331842416779268/ext_tw_video_thumb/2086331799693602816/pu/img/zZFnpmUzCpx6xc1Y.jpg)
![The Überlingen mid-air collision was 24 years ago, in Germany July 1 2002: Bashkirian Airlines 2937 [a Tu-154] and DHL 611 [a cargo B-757] collided in mid-air over Überlingen, near the German-Swiss border. All 71 aboard both planes died. Inquiry traced the cause to a number of shortcomings on the part of the Swiss air traffic control service responsible for the sector involved, as well as ambiguities in the procedures for using the traffic collision avoidance system (TCAS) – the cargo jet followed TCAS instructions, the jetliner didn’t. [A similar conflict occurred in 2001, but the corrective actions weren´t effective] In 2004, Peter Nielsen, the air traffic controller on duty at the time of the collision, was murdered by Vitaly Kaloyev, a Russian architect whose wife and two children died in the accident. The murderer was released in 2007 and was later elected to the local Government. 🎥 Mayday ACI Series](https://image.24vids.com/tw-2072123178676085217/ext_tw_video_thumb/2072123120916234240/pu/img/8pM_4z4BTOiPAfpl.jpg)