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Maneuvering Characteristic Augmentation System (MCAS) 
[JB - Emasculate?]

Image from article: A Boeing 737 Max 8.

On Monday, Boeing CEO Dennis Muilenburg explained why the company didn't disclose the existence of the system to pilots while challenging the media's characterization of MCAS as an anti-stall system.

Boeing has come under scrutiny in recent months for its failure to disclose the presence of the Maneuvering Characteristic Augmentation System (MCAS) on its Boeing 737 Max airliners.

From: Stephen Brashear, "Boeing's CEO explains why the company didn't tell 737 Max pilots about the software system that contributed to 2 fatal crashes," businessinsider.com