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HOW an Impossible Failure CRASHED this Boeing 767!

Mentour Pilot 3,186,858 lượt xem 2 years ago
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#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.

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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


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