NTSB Identification: ERA13CA234
According to the instructor pilot, he was at the airplane controls while he demonstrated a touch and go landing with the student pilot. He stated that the airplane collided with unmarked power lines during an attempt to land on an undesignated grass strip. The airplane came to rest on the ground inverted. Examination of the airplane revealed substantial damage to the airplane fuselage and empennage. The pilot reported no preaccident mechanical malfunctions or failures with the airplane that would have precluded normal operation.