Amusingly enough, the 737 is one of those few airframes which are dynamically stable in yaw. The yaw damper is not on the required equipment list. Others like t

Amusingly enough, the 737 is one of those few airframes which are dynamically stable in yaw. The yaw damper is not on the required equipment list. Others like the 757, the failure of one of the two fitted yaw dampers is enough to prevent dispatch.