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by youngtaff 2659 days ago
"The automatic trim we described last week has a name, MCAS, or Maneuvering Characteristics Automation System. It’s unique to the MAX because the 737 MAX no longer has the docile pitch characteristics of the 737NG at high Angles Of Attack (AOA).

This is caused by the larger engine nacelles covering the higher bypass LEAP-1B engines."

Boeing only told pilots MCAS existed following the Lion crash, almost 18 months after the plane entered service

https://leehamnews.com/2018/11/14/boeings-automatic-trim-for...