The 747 That Lost a Door at 23,000 Feet
About this video
Explore the catastrophic failure of United 811 at 23,000 feet, where a flawed latch design led to explosive decompression. Discover how a single latch flaw turned a cargo door into a deadly missile, reshaping safety standards for future aircraft. Learn the engineering insights behind this aviation disaster. Chapters: 00:00 The 747 That Lost a Door 00:21 A Door Becomes a Missile 00:44 A Disturbing Discovery 01:00 The Door's Deadly Path 01:24 Anatomy of a Latch 01:40 A Cascade of Failure 01:56 The Electrical Trigger 02:25 No Human Hand 02:51 Improper wiring allowed arcing to unlock the doo 03:05 So Why Did the NTSB First Blame the Ground Crew? 03:31 The probable cause was improper wiring. 03:45 New Door Latches Urged 04:00 A Universal Fix 04:15 Multiple opportunities... could have precluded t 04:28 The Door's Violent Departure 04:44 Aluminum Under Pressure 05:01 The Investigation's Twist 05:18 A Template for Safety 05:41 The latch that changed aviation Sources & further reading: • NTSB Aircraft Accident Report AAR-92/02 (Supersedes AAR-90/01) — https://www.faa.gov/sites/faa.gov/files/AAR92-02.pdf • FAA Lessons Learned: Boeing 747-122 (N4713U) — https://www.faa.gov/lessons_learned/transport_airplane/accidents/N4713U • Wikipedia: United Airlines Flight 811 — https://en.wikipedia.org/wiki/United_Airlines_Flight_811 • Aviation Safety Network: Accident description — https://aviation-safety.net/wikibase/326360 • Washington Post: 'New Door Latches Urged for Boeing 747 Jumbo Jets' (August 24, 1989) — https://www.washingtonpost.com/archive/politics/1989/08/24/new-door-latches-urged-for-boeing-747-jumbo-jets/4ea406f5-dfa5-4b66-83e • Mayday: Air Disaster – 'The Cargo Door That Ripped Apart Flight 811' — https://www.youtube.com/watch?v=2ddyJtwSk3c
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