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Get an EXCLUSIVE Nord VPN Deal 👉🏻 https://www.nordvpn.com/pilot It’s completely risk free with Nord’s 30 day money-back guarantee! 👍🏻 #Lauda Air Flight 004 was a regularly scheduled flight from Bangkok, Thailand, to Vienna, Austria. On 26 May 1991, the thrust #reverser on the No.1 engine of the #Boeing #767-300ER deployed in flight uncommanded, causing the aircraft to enter an uncontrolled #dive. What happens in the following seconds could only be described as the sum of all fears. If you want to support the work I do on the channel, join my Patreon crew and get awesome perks and help me move the channel forward! 👇 👉🏻 https://www.patreon.com/mentourpilot 👉🏻 Check out our other channel here: youtube.com/mentournow 📲 Join the Mentour Pilot Discord server here! 👉🏻 https://discord.gg/JntGWdn I have also created an Amazon page with Aviation books, material and flight simulator stuff that I think you will enjoy! 👉🏻 https://www.amazon.com/shop/mentourpilot Follow my life on instagram and get awesome pictures from the cockpit! 📲 https://www.instagram.com/mentour_pilot To find the right HEADSET for YOU, check out BOSE Aviation 👉🏻 https://boseaviation-emea.aero/headsets Artwork in the studio 👉🏻 https://aeroprints.de/?lang=en Get some Awesome Mentour Pilot merch 👉🏻 https://mentour-crew.creator-spring.com/? Below you will find the links to videos and sources used in this episode. Enjoy checking them out! Sources ----------------------------------------------------- Final Report: https://www.baaa-acro.com/sites/default/files/2020-08/OE-LAV.pdf Niki Lauda at Crash Site: UNKNOWN https://tailstrike.com/database/26-may-1991-lauda-air-004/ Crash Site 2: AFP https://www.scmp.com/magazines/post-magazine/short-reads/article/2097413/when-lauda-air-flight-hong-kong-crashed-spring Crash Site 3: Tibor Krausz https://today.line.me/id/v2/article/YYPBNa?imageSlideIndex=7 Crash Site 4: UNKNOWN https://tailstrike.com/database/26-may-1991-lauda-air-004/ Crash Site 5: UNKNOWN https://twitter.com/ondisasters/status/1397313850622595073 PW4000-112 ENGINE CUTAWAY: Pratt & Whitney https://prattwhitney.com/products-and-services/products/commercial-engines/pw4000-112 Pratt and Whitney Engine: Ronidong https://en.wikipedia.org/wiki/Pratt_%26_Whitney_PW4000 Engine Comparison: StratAero via twitter https://twitter.com/strataero/status/975783948277207040 Wind Tunnel: UNKNOWN https://www.bangaloreaviation.com/2013/12/boeing-commences-wind-tunnel-testing-of.html Aircraft Comparision: UNKNOWN https://www.johngrimwade.com/blog/2017/05/29/size-comparison/ Boeing Factory Video: Boeing via YouTube https://www.youtube.com/watch?v=oDrVQBgxsrc&ab_channel=Boeing DC-8: NASA/Tony Landis https://en.wikipedia.org/wiki/Douglas_DC-8 DC-10: Danielkang7744 https://en.wikipedia.org/wiki/McDonnell_Douglas_DC-10 B707: Mike Freer https://en.wikipedia.org/wiki/Boeing_707 B747: Iberia https://www.flickr.com/photos/50189779@N03/5811507276 FAA Building: UNKNOWN https://www.avweb.com/insider/does-the-faa-seem-nastier-than-usual/ Boeing HQ: reuters https://www.reuters.com/business/aerospace-defense/boeings-chicago-hq-ghost-town-priorities-shift-2021-10-07/ Boeing Maintenance: Boeing Via Youtube https://www.youtube.com/watch?v=YdInfGkLxGk&ab_channel=Boeing Lauda HQ: Jan Gruber https://aviation.direct/en/lauda-ogh-overturns-ireland-clause Engine Wires: lectromec https://www.lectromec.com/giving-your-aircraft-ewis-a-good-cleaning/ MicroSwitches: UNKNOWN https://www.industrial-electronics.com/aircraft_9.html Aircraft used: Boeing 767-300 ER Professional by VMAX: https://store.x-plane.org/Boeing-767-300-ER-Professional_p_444.html CHAPTERS ----------------------------------------------------- 00:00 - Intro 00:34 - A Brief History 01:27 - Turbofan Engines 03:20 - Reverse Thrust 05:25 - Past Incidents/Certification 08:01 - Documented Issues 10:16 - The Flight Crew 12:21 - Takeoff & Climb 14:08 - ECAM Messages 16:04 - Adjusting The Trim 18:00 - Thrust Deployed In-Flight 19:17 - Why Did This Happen? 20:17 - A Violent Dive 21:47 - The Sum Of All Fears 24:33 - What Went Wrong? 25:30 - Authorities Take Action 27:25 - Aviation Changed M1RVL9Y8IXCLSVRT IJHPXX5ZY2Q4L7MX