https://www.npr.org/sections/thetwo-way/2010/02/colganbuffalo_plane_crash_erro.h

https://www.npr.org/sections/thetwo-way/2010/02/colganbuffalo_plane_crash_erro.html
https://www.faa.gov/news/fact_sheets/news_story.cfm?newsId=11857&TB_iframe=true&height=600&width=800
https://www.faa.gov/news/press_releases/news_story.cfm?newsId=15314
https://www.faa.gov/news/press_releases/news_story.cfm?newsId=14838
https://www.faa.gov/about/initiatives/maintenance_hf/library/documents/media/human_factors_maintenance/united_airlines_flight_232.mcdonnell_douglas_dc-10-10.sioux_gateway_airport.sioux_city.lowa.july_19.1989.pdf
https://commons.erau.edu/cgi/viewcontent.cgi?article=2313&context=publication

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