NTSB Reports: February 2017
According to the pilot, about 10 minutes into an otherwise-normal the flight, the engine began to run rough. The pilot adjusted the power controls, but the engine started to backfire and continued to lose power. He made a spiraling descent from about 1000 feet agl and maneuvered the airplane to land on a paved area of a driving track. During the landing roll, the airplane struck a fence. The pilot stated the engine continued to operate throughout the landing and landing roll until the airplane struck the fence.