The model aircraft commences the maneuver in level flight by reducing power on base leg, and then turns onto a higher than normal final approach that is parallel with the judges’ line. As model aircraft enters the turn it starts a Sideslip by the application of opposite rudder to the direction of turn, achieving a yaw of at least 20º off track. A marked loss of height must be apparent while maintaining final approach speed. The aim of the Sideslip, if continued, would be to effect a landing in front of the judges.

Before reaching judges’ position however, the Sideslip is corrected, normal flight is resumed and the model aircraft carries out an overshoot from below 5 meters before climbing away. Purpose of this maneuver is to demonstrate a marked loss of height on final approach without an excessive build up of speed or the use of flap. This maneuver may be nominated by all types of model aircraft.