The aircraft's uncontrolled climb after encountering a wind gust or thermal during landing flare without engine power resulting in the pilot having to force the aircraft onto the runway making a hard landing prior to the end of the runway.

THE PILOT'S FAILURE TO ADEQUATELY COMPENSATE FOR THE TAIL WIND CONDIITONS DURING A LOW PASS WHICH EXCEEDED THE PERFORMANCE CAPABILITY OF THE AIRCRAFT. A FACTOR WAS THE TAIL WIND CONDITIONS.