N9120EAeronca 11AC

According to the certificated flight instructor (CFI), the student pilot was receiving instruction in a tailwheel equipped airplane. During the takeoff roll, the airplane began to veer to the right, exited the runway, and impacted the corner of a building, resulting in substantial damage to the forward and aft spars of the left wing.. The CFI reported that during the takeoff roll, the student pilot was pushing heavily on the right brake. According to the student pilot, about 300 feet into the takeoff roll, the airplane veered to the right a few degrees and the CFI took control of the airplane. The airplane continued to veer to the right and prior to impacting the building, the student pilot retarded the throttle. Both pilots reported that there were no mechanical malfunctions with the airplane prior to the accident. The National Transportation Safety Board was notified of this accident on February 25, 2011.