THE PILOT WAS EN ROUTE AND AS HE WAS SWITCHING FUEL TANKS, THE ENGINE LOST POWER. THE PILOT MADE A FORCED LANDING IN FIELD WHERE THE AIRPLANE WAS SUBSTANTIALLY DAMAGED. THE INVESTIGATION DID NOT DISCLOSE EVIDENCE OF MECHANICAL MALFUNCTION. THERE WAS FOUR GALLONS OF FUEL IN THE TOP WING FUEL TANK AND NONE IN THE FORWARD AND AFT FUSELAGE TANKS.
The National Transportation Safety Board determines the probable cause(s) of this accident as follows:
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