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=== In transportation accidents ===
* According to the [[National Transportation Safety Board|NTSB]], one of the factors contributing to [[Asiana Airlines Flight 214]] crash was ''"the complexities of the autothrottle and autopilot flight director systems … which increased the likelihood of mode error".''<ref>
* Mode confusion was part of the events that led to the loss of [[Air France Flight 447]] in 2009, and the loss of life of 228 people. The pilots reacted to a loss of altitude by pulling on the stick, which would have been an appropriate reaction with the autopilot fully enabled, which would then have put the aircraft in a climbing configuration. However, the airplane's systems had entered a mode of lesser automation ("direct law" in Airbus terms) due to a blocked airspeed sensor, allowing the pilots to put the plane in a nose-high stall configuration, from which they did not recover.<ref>[https://arstechnica.com/information-technology/2017/11/uss-mccain-collision-ultimately-caused-by-ui-confusion/] BEA final report on the loss of Air France 447</ref>
* On January 17, 2015, the offshore supply vessel "Red7 Alliance" collided with a lock gate of the Kiel Canal in Germany, damaging it severely. An investigation concluded that the levers controlling the ship's [[Azimuth thruster]]s were not used in a way appropriate to the mode they were set to, resulting in the ship accelerating instead of coming to a stop in the lock.<ref>[https://www.bsu-bund.de/SharedDocs/pdf/DE/Unfallberichte/2016/Untersuchungsbericht_16_15.pdf?__blob=publicationFile&v=5] M/V Red7 Alliance investigation report (German)</ref>
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