Incident Overview
A flight instructor reported that his airplane was caught in the prop wash of a Piper Cheyenne, resulting in the airplane nosing over. The incident occurred while taxiing near runway 25.
Sequence of Events
The flight instructor stated that ground control cleared the airplane to taxi to the run-up area in the vicinity of runway 25. A Piper Cheyenne was already in the run-up area. The airplane taxied to the right of the Cheyenne and conducted an engine run-up. After completing the run-up, the airplane made a right 270-degree turn without contacting the tower. The airplane then taxied behind the Piper Cheyenne, which was still conducting an engine run-up.
Impact and Pilot Communication
During this taxi, the right wing of the airplane was blown upward, the left wing collided with the ground, and the airplane was pushed sideways to the right. The pilot informed the tower that he was caught in the prop wash as the airplane nosed over.