Collision
A Cessna 172R, registered as N72AF, and a Piper PA-28-161, registered as N39494, collided during taxi. The left wing and propeller of the Piper struck the rudder and right aileron of the Cessna, respectively.
Pilot Actions
According to the pilot of the Piper, after arriving at the run-up area, he attempted to slow the airplane. Instead of using the brake pedals, he used the rudder pedals. The pilot closed the throttle but was unable to prevent the collision. He did not report any mechanical malfunctions with the airplane.
Aircraft Information
The Cessna 172R (N72AF) and the Piper PA-28-161 (N39494) were both involved in the ground collision. No additional details about the aircraft were provided in the source.