Originally Posted by
cougar
I don't fly the 737, but doesn't the Alpha floor automatically protect against airspeed decay below the minimum maneuver speed for the NG and Max variants? Do the A/Ts automatically engage if armed at the Alpha floor?
Yes, they do. As long as the AT switch is on (which is normally would be until the autopilot is disconnected for landing, even if it's in ARM mode not actively doing anything), the system will push the thrust up automatically if needed.