For others reading through these interesting comments, here's a Wikipedia excerpt: The Maneuvering Characteristics Augmentation System (MCAS) is a flight contr

For others reading through these interesting comments, here's a Wikipedia excerpt: The Maneuvering Characteristics Augmentation System (MCAS) is a flight control law built into the Boeing 737 MAX's flight control computer, designed to help the aircraft emulate the handling characteristics of the earlier Boeing 737 Next Generation.