AF447 is fascinating for other reasons as well - on Airbus it is possible for two pilots to provide directly opposite control inputs because there is no mechani

AF447 is fascinating for other reasons as well - on Airbus it is possible for two pilots to provide directly opposite control inputs because there is no mechanical linkage between the sidesticks, unlike on yokes in most other airplanes. It does produce a warning (dual input) but it is not tactile - you cannot feel what the other crew member is doing. https://en.wikipedia.org/wiki/Armavia_Flight_967 https://en.wikipedia.org/wiki/Armavia_Flight_967 https://en.wikipedia.org/wiki/Indonesia_AirAsia_Flight_8501 https://en.wikipedia.org/wiki/Indonesia_AirAsia_Flight_8501 https://www.youtube.com/watch?v=8F5bRxTIn24 https://www.youtube.com/watch?v=8F5bRxTIn24 A pretty extreme UX issue.