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Bloomington, IN
AIRCRAFT EXPERIENCED PARTIAL LOSS OF ENGINE POWER AT 150 FEET AGL AFTER TAKEOFF. PILOT MADE 180 DEGREE TURN IN ATTEMPT TO RETURN TO AIRPORT, BUT EXPERIENCED FURTHER POWER LOSS AND ELECTED TO MAKE EMERGENCY LANDING IN FIELD. RIGHT WINGTIP HIT TREE, AND AIRCRAFT MADE HARD LANDING. INVESTIGATION REVEALED FAILURE OF THE NUMBER TWO EXHAUST VALVE. THE NUMBER TWO CYLINDER ASSEMBLY HAD BEEN REPLACED WITH A REBUILT CYLINDER ASSEMBLY FIVE WEEKS PRIOR TO THE ACCIDENT, AND HAD ACCUMULATED SEVEN HOURS OPERATIONAL TIME.
AIRCRAFT EXPERIENCED PARTIAL LOSS OF ENGINE POWER AT 150 FEET AGL AFTER TAKEOFF. PILOT MADE 180 DEGREE TURN IN ATTEMPT TO RETURN TO AIRPORT, BUT EXPERIENCED FURTHER POWER LOSS AND ELECTED TO MAKE EMERGENCY LANDING IN FIELD. RIGHT WINGTIP HIT TREE, AND AIRCRAFT MADE HARD LANDING. INVESTIGATION REVEALED FAILURE OF THE NUMBER TWO EXHAUST VALVE. THE NUMBER TWO CYLINDER ASSEMBLY HAD BEEN REPLACED WITH A REBUILT CYLINDER ASSEMBLY FIVE WEEKS PRIOR TO THE ACCIDENT, AND HAD ACCUMULATED SEVEN HOURS OPERATIONAL TIME.