Five months after Lion Air 610 crashed, another 737-MAX went down with a similar cause. However the official report was at odds with two other internationally respected investigative organisations. We dig into the detail of how the AOA Sensor was claimed to have failed, and review checklist discrepancies to extract fact from opinion as to what most likely triggered this horrible chain of events.With John Chidgey.This show is <a href="/blog/podcasting-2-0">Podcasting 2.0 Enhanced</a>
<a href="https://engineered.network/celebrate/">Celebrating Causality&rsquo;s 50th Episode!!</a>
Previous Episode:
<ul>
<li><a href="https://engineered.network/causality/episode-33-737-max/">Causality Episode 33: 737 MAX</a></li>
</ul>
Reports:
<ul>
<li><a href="https://bea.aero/fileadmin/user_upload/ET_302__B737-8MAX_ACCIDENT_FINAL_REPORT.pdf">EAIB: Aircraft Accident Investigation Report B737- MAX 8, ET-AVJ December 2022 (PDF)</a></li>
<li><a href="https://www.ntsb.gov/investigations/Documents/US%20comments%20ET302%20Report%20March%202022.pdf">US Comments: ET302 Report March 2022 (PDF)</a></li>
<li><a href="https://www.ntsb.gov/investigations/Documents/Response%20to%20EAIB%20final%20report.pdf">US Comments: Response to EAIB Final Report (PDF)</a></li>
<li><a href="https://bea.aero/les-enquetes/evenements-notifies/detail/accident-du-boeing-737-immatricule-et-avj-et-exploite-par-ethiopian-airlines-survenu-le-10-03-2019-pres-de-bishoftu-enquete-menee-par-eaib-ethiopie/">BEA: Accident du Boeing 737 immatriculé ET-AVJ et exploité par Ethiopian Airlines survenu le 10/03/2019 près de Bishoftu</a></li>
<li><a href="https://bea.aero/en/investigation-reports/notified-events/detail/incident-to-the-boeing-737-registered-f-gzho-and-operated-by-transavia-on-08-02-2018-at-orly/">BEA: Incidents to the Boeing 737 - 800 registered F-GZHO operated by Transavia France on 07/02/2018 at Norwich (United Kingdom) and 08/02/2018 at Paris-Orly</a></li>
<li><a href="https://bea.aero/fileadmin/user_upload/BEA2018-0071.en.pdf">BEA: Incidents to the Boeing 737 - 800 registered F-GZHO operated by Transavia France (PDF)</a></li>
<li><a href="https://www.emsa.europa.eu/retro/Docs/marine_casualties/annex_13.pdf">ICAO Annex 13: Aircraft Accident and Incident Investigation (PDF)</a></li>
</ul>
General Information:
<ul>
<li><a href="https://en.wikipedia.org/wiki/Ethiopian_Airlines_Flight_302">Ethiopian Airlines Flight 302</a></li>
<li><a href="https://en.wikipedia.org/wiki/Addis_Ababa_Bole_International_Airport">Addis Ababa Bole International Airport</a></li>
<li><a href="https://en.wikipedia.org/wiki/Jomo_Kenyatta_International_Airport">Jomo Kenyatta International Airport</a></li>
<li><a href="https://en.wikipedia.org/wiki/Rotation_(aeronautics)">Rotation (Aeronautics)</a></li>
<li><a href="https://en.wikipedia.org/wiki/Ground_proximity_warning_system">Ground Proximity Warning System</a></li>
<li><a href="https://en.wikipedia.org/wiki/Boeing_737_MAX_groundings">Boeing 737 MAX Groundings</a></li>
<li><a href="https://en.wikipedia.org/wiki/Federal_Aviation_Administration#Continued_Airworthiness_Notification_to_the_International_Community_(CANIC)">Federal Aviation Administration</a></li>
<li><a href="https://en.wikipedia.org/wiki/Impact_of_the_COVID-19_pandemic_on_aviation">Impact of the COVID-19 Pandemic on Aviation</a></li>
<li><a href="https://en.wikipedia.org/wiki/Financial_impact_of_the_Boeing_737_MAX_groundings">Financial Impact of the Boeing 737 MAX Groundings</a></li>
<li><a href="https://applications.icao.int/postalhistory/annex_13_aircraft_accident_and_incident_investigation.htm#:~:text=According%20to%20the%20provisions%20laid,have%20occurred%20in%20their%20territory.">ICAO</a></li>
<li><a href="https://aviation.stackexchange.com/questions/14690/what-are-n1-and-n2">N1 and N2</a></li>
<li><a href="https://weatherspark.com/h/d/148744/2019/3/10/Historical-Weather-on-Sunday-March-10-2019-at-Addis-Ababa-Bole-International-Airport-Ethiopia#Figures-ColorTemperature">March 10, 2019 Historical Weather at Addis Ababa Bole International Airport, Ethiopia</a></li>
<li><a href="https://flightaware.com/live/flight/ETAVJ">ET-AVJ Flight Tracking and History</a></li>
<li><a href="https://www.proponent.com/wp-content/uploads/2018/01/Collins-Angle-of-Attack-AOA-Systems.pdf">Collins AOA Systems (PDF)</a></li>
<li><a href="https://skybrary.aero/articles/autothrottle-autothrust">Auto-Throttle and Auto-Thrust</a></li>
<li><a href="https://www.flaps2approach.com/journal/2014/9/2/b737-autothrottle-at-normal-and-non-normal-operations.html">B737 Autothrottle (A/T) Normal and Non-Normal Operations</a></li>
<li><a href="https://www.federalregister.gov/documents/2018/12/06/2018-26365/airworthiness-directives-the-boeing-company-airplanes">Airworthiness Directives</a></li>
</ul>
Articles:
<ul>
<li><a href="https://fearoflanding.com/accidents/accident-reports/the-bea-weighs-in-ethiopian-airlines-flight-302/">The BEA Weighs In: Ethiopian Airlines Flight 302</a></li>
<li><a href="https://fearoflanding.com/accidents/controversy-surrounds-final-report-on-ethiopian-flight-302/">Controversy Surrounds Final Report on Ethiopian Air Flight 302</a></li>
<li><a href="https://www.airlineratings.com/news/more-omissions-in-ethiopian-737-max-report/">More Omissions In Ethiopian 737 MAX Report</a></li>
<li><a href="https://www.airlineratings.com/news/us-ntsb-criticizes-ethiopian-max-report/">US NTSB Criticises Ethiopian MAX Report</a></li>
<li><a href="https://www.cnbc.com/2020/11/17/house-passes-bill-to-reform-plane-certification-process-after-two-boeing-737-max-crashes.html">House passes bill to reform plane certification process after two Boeing 737 Max crashes</a></li>
<li><a href="https://www.canada.ca/en/transport-canada/news/2021/01/government-of-canada-introduces-additional-requirements-to-allow-for-the-return-to-service-of-the-boeing-737-max.html">Government of Canada introduces additional requirements to allow for the return to service of the Boeing 737 MAX  - Canada.ca</a></li>
<li><a href="https://documentation.osac.aero/view/289335">EASA Decision Not to Adopt FAA AD 2020-24-02 (PDF)</a></li>
</ul>
Regulations:
<ul>
<li><a href="https://www.congress.gov/bill/116th-congress/house-bill/8408">Aircraft Certification Reform and Accountability Act</a></li>
<li><a href="https://www.faa.gov/newsroom/faa-proposes-new-policy-would-fulfill-one-key-requirements-aircraft-certification-safety">FAA Proposes New Policy that Would Fulfill One of the Key Requirements of the Aircraft Certification, Safety, and Accountability Act | Federal Aviation Administration</a></li>
<li><a href="http://www.b737.org.uk/mcaslaws.htm#acsaa">Post MCAS Law Changes</a></li>
<li><a href="http://www.b737.org.uk/faa_ad.htm">Boeing 737 Airworthiness Directives</a></li>
<li><a href="https://www.aviationtoday.com/wp-content/uploads/2018/11/2018-23-51_emergency.pdf">Airworthiness Directive 2018-23-51 (PDF)</a></li>
<li><a href="https://www.faa.gov/sites/faa.gov/files/2022-08/737_AD_2019-NM-035fr.pdf">Airworthiness Directive 2020-24-02 (PDF)</a></li>
<li><a href="https://www.faa.gov/foia/electronic_reading_room/boeing_reading_room">FAA: Boeing 737 MAX Reading Room</a></li>
<li><a href="https://tc.canada.ca/en/binder/boeing-737-max-8">Transport Canada: Boeing 737-MAX-8</a></li>
</ul>
Litigation:
<ul>
<li><a href="https://www.cnbc.com/2021/01/07/doj-fines-boeing-over-2point5-billion-charges-it-with-fraud-conspiracy-over-737-max-crashes.html">Boeing to pay more than $2.5 billion to settle criminal conspiracy charge over 737 Max</a></li>
<li><a href="https://www.justice.gov/opa/pr/boeing-charged-737-max-fraud-conspiracy-and-agrees-pay-over-25-billion">Boeing Charged with 737 Max Fraud Conspiracy and Agrees to Pay over $2.5 Billion</a></li>
<li><a href="https://www.forbes.com/sites/joewalsh/2021/11/05/boeing-directors-settle-shareholder-lawsuit-over-737-max-crashes-for-2375-million/?sh=20d7f57a344b">Boeing Directors Settle Shareholder Lawsuit Over 737 MAX Crashes For $237.5 Million</a></li>
<li><a href="https://www.bbc.com/news/business-58483150">Boeing: Directors to face investor lawsuit over fatal crashes</a></li>
<li><a href="https://www.cnbc.com/2020/09/16/boeing-slammed-in-house-report-over-737-max-failures-as-company-tries-to-return-the-plane-to-service.html">Boeing, FAA slammed in House report over deadly 737 Max failures</a></li>
<li><a href="https://www.bbc.com/news/business-59236437">Boeing agrees deal with families of Ethiopia crash victims</a></li>
<li><a href="https://www.reuters.com/world/boeing-moves-settle-lawsuits-over-ethiopian-airlines-737-max-crash-2021-11-10/">Boeing to compensate victims in Ethiopian Airlines 737 MAX crash</a></li>
</ul>
Support Causality on <a rel="payment" href="http://patreon.com/johnchidgey" title="Causality on Patreon"> Patreon</a>Episode Gold Producers:
 'r' and Steven Bridle.Episode Silver Producers:
 Mitch Biegler, Shane O'Neill, Lesley, Jared Roman, Joel Maher, Katharina Will, Chad Juehring, Dave Jones and Kellen Frodelius-Fujimoto.

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