Optional (that is, you can get full credit without doing this part)
Make in WebGL a highly oversimplified aircraft in which the body, the wings, and the horizontal and vertical stabilizers each consists of a box. Use the transformation functions translate, rotate and scale to position, orient, and scale the boxes in an appropriate way. The link
defines terminology used in aviation and shows a detailed picture.
Add to the wings two aileron (simplified as boxes) which you can rotate around an edge (in order to get the aircraft to roll).
You may also add boxes to simulate elevators, which can change pitch (up and down), and rudders, which can change yaw (side to side).