A flight motion simulator includes a pitch frame pivotably mounted, and nested for pitching in a roll frame. The roll frame is pivotally mounted to, and nested for rolling in, a base frame. The roll frame and pitch frame are rotatable in unison so as to simulate a roll of an aircraft relative to the base frame. The pitch frame is rotatable relative to the roll frame so as to simulate a pitch of the aircraft relative to the roll frame. A control stick is pivotably mounted to the base frame and pitch frame for controlling and actuating the pitch and roll. A first coupler having at least two degrees of freedom is rotatably mounted to the lower end of the control stick and to the pitch frame. A second coupler also having at least two degrees of freedom is rotatably mounted to the control stick at a lower mid-section thereof to an upper end of a post mounted to the base frame. This aids the pilot in actuating pitch and roll as the control stick provides mechanical advantage to the pilot providing manual inputs to the upper end of the control stick. The two degrees of freedom of the first and second couplers include rotation about a longitudinal axis and rotation about a lateral axis.