Background
The purpose of the flight was for a student to receive dual flight instruction to become more familiar with the airplane's handling characteristics. The student met with a certified flight instructor (CFI) and received a briefing for a lesson that included takeoff and landing practice.
Sequence of Events
During the lesson, the instructor directed the student to perform a simulated engine-out approach. Engine power was reduced as the airplane glided toward the airport. The student entered a close-in downwind and, at the instructor's direction, performed a left circling turn onto the base and final approach legs. The landing gear was lowered. The student asked the instructor whether they could glide all the way to the runway, and the instructor advised the student to maintain 90 knots.
As the airplane turned from the close-in base leg onto the final approach leg, the instructor told the student "don't bank." The student rolled the wings level. Immediately afterward, a left bank began again, and the instructor repeated "Don't bank." The student replied, "I'm not." The instructor applied engine power and right rudder to reduce the left bank. The airplane stopped rolling left and then rolled into a right bank, during which the right wing impacted the ground. At no time did the instructor direct the student to release the flight controls.
Outcome
The airplane stalled on short final approach and impacted the ground.