Mentour Forum

737 Max Problems  



Is this pilots report from back in early 2017, referring to the MCAS control?   "...with as much as 58,000 lb. of thrust available from engines mounted well below the center of gravity, there is pronounced thrust-versus-pitch coupling at low speeds, especially with aft center of gravity (CG) and at light gross weights. Boeing equips the aircraft with a speed-stability augmentation function that helps to compensate for the coupling by automatically trimming the horizontal stabilizer according to indicated speed, thrust lever position and CG. Pilots still must be aware of the effect of thrust changes on pitching moment and make purposeful control-wheel and pitch-trim inputs to counter it."   Specifically is this 'speed-stability augmentation function', what evolved into the MCAS system?

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