Canard (aeronautics) an aircraft designer may adopt the canard configuration to reduce the main wing loading, to better control the main wing airflow, or to increase the aircraft’s maneuverability, especially at high angles of attack or during a stall. Canard foreplanes, whether used in a canard or three-surface configuration, have important consequences on the aircraft’s longitudinal equilibrium, static and dynamic stability characteristics. The term “canard” arose from the appearance of the Santos-Dumont 14-bis of 1906, which was said to be reminiscent of a duck ("canard" in French) with its neck stretched out in flight. The Wright Brothers began experimenting with the foreplane
Canard (aeronautics) propeller: "the power-induced flow clean up of the wing trailing edge" increases the wing lift coefficient slope (see above). Conversely, a propeller located ahead of the canard (increasing the lift slope of the canard) has a strong destabilising effect. A highly loaded lifting canard may not have sufficient spare lifting capacity to accommodate large movements of the centre of pressure or of the centre of gravity. Trim may be accomplished in similar manner to a tailless craft, by adjustment of trailing-edge surfaces. In particular, the use of landing flaps on the main wing causes a large trim change. The Saab