Old 14th Mar 2019, 22:36
  #193 (permalink)  
Join Date: Jan 2008
Location: Reading, UK
Posts: 10,116
Originally Posted by Speed of Sound View Post
Correct me if I'm wrong but wouldn't AoA sensors mounted on opposite sides of a fuselage output different values under certain conditions of bank and yaw?
You're not wrong.

But the optional "AOA DISAGREE" warning on the Max only alerts if the disparity between the two exceeds 10. That would, of course, have trapped the 20 discrepancy on the Lion Air flight.

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