NTSB Probable Cause

INADEQUATE PREFLIGHT AND IMPROPER USE OF THE FUEL SYSTEM, WHICH RESULTED IN FUEL STARVATION, AND IMPROPER USE OF EMERGENCY PROCEDURES. FACTORS RELATED TO THE ACCIDENT WERE: SELF INDUCED PRESSURE BY THE PILOT TO MEET AN ARRIVAL TIME, HIS FAILURE TO EXTEND THE FLAPS BEFORE LANDING, AND THE OBSTRUCTIONS (TREE STUMP, STACK OF BRICKS, AND FENCING/BACKSTOP) IN THE EMERGENCY LANDING AREA.