MCAS was required for certification, in that it increases the linearity of control forces through to a stall. Without it, it becomes easier to enter a stall.

MCAS was required for certification, in that it increases the linearity of control forces through to a stall. Without it, it becomes easier to enter a stall. MCAS was not a fix to make training lighter, the aircraft would not be able to get a type certificate without it. https://leehamnews.com/2019/02/08/bjorns-corner-pitch-stability-part-9/ https://leehamnews.com/2019/02/08/bjorns-corner-pitch-stabil...