The pilot’s exceedance of the airplane’s takeoff performance limitations, which prevented the airplane from gaining sufficient altitude to clear the trees off the departure end of the runway.

LOSS OF CONTROL ON LANDING ROLL DUE TO THE PILOT'S FAILURE TO MAINTAIN PROPER ALIGNMENT, RESULTING IN COLLISION WITH TERRAIN DURING AN UNCONTROLLED GROUND LOOP/SWERVE. A FACTOR RELATING TO THE ACCIDENT WAS THE CROSSWIND WEATHER CONDITIONS.