Solution 1.4.2 Arough idea of the feedbackisshown in Figure 1. Pilot's y byacombina- tion of instruments and their own acquired \feel" for the plane. In reality their is feedbackonthe ap system to driveitquickly to the position that the pilot requests. Flap Position Plane's Propulsion System, wings, tail. Plane's Motion Desired Motion Pilot's sense of plane's motion plus instrument readings Pilot Figure 1: Model pilot and ap. 1