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Boeing big cheese repeats pledge of 737 Max software updates following fatal crashes

Anonymous Coward
Anonymous Coward

Technically it is not an anti-stall device. It is a mechanism to counteract the tendency of the position and size of the new engines to generate positive lift at higher angles of attack. This positive lift reduces the force required on the control column to increase angle of attack and certification means that column forces on the approach to stall should not decrease. MCAS dials in nose down trim to ensure the column force required to increase AoA remains consistent or increases on the approach to stall.

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