At 0943 Eastern time, the airplane was destroyed on impact with a tree and terrain during a go-around after an attempted landing. The solo Private pilot sustained serious injuries. Visual conditions prevailed. A witness observed the airplane over the approach end of the runway at an altitude of 150 – 175 feet agl. He reported that the airplane was diving for the runway. About halfway down the runway, the airplane leveled out at an altitude of about 75 feet agl. The witness heard the engine noise increase, but not to full power, and observed the airplane bank hard to the left. He lost sight of the airplane behind trees, then heard two thuds.