NTSB Identification: FTW89LA108.
The docket is stored on NTSB microfiche number 40067.
Accident occurred Saturday, June 03, 1989 in FORT WORTH, TX
Probable Cause Approval Date: 08/02/1990
Aircraft: PIPER PA-23-250, registration: N4906P
Injuries: 1 Uninjured.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

THE PILOT HAD ATTEMPTED TWO PREVIOUS TAKEOFFS AND ABORTED BOTH DUE TO A LOSS OF POWER ON THE LEFT ENGINE. WITNESSES TO THIS FLIGHT SAW THE AIRPLANE LIFT OFF TO 50 FEET AGL, THEN MAKE AN ABRUPT LEFT TURN AND DESCEND TO THE GROUND. INSPECTION REVEALED THE AIRPLANE STRUCK A CHAIN-LINK FENCE BEFORE HITTING THE GROUND. THE LANDING GEAR HAD BEEN DOWN, THE LEFT ENGINE HAD NOT BEEN PRODUCING POWER. THE LEFT PROPELLER WAS NOT FEATHERED. THE RIGHT ENGINE HAD BEEN PRODUCING HIGH POWER AND THE RIGHT PROPELLER HAD BEEN FEATHERED. FURTHER INSPECTION REVEALED CONTAMINATED FUEL IN BOTH THE LEFT AND RIGHT FUEL SYSTEMS.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

INITIALLY THE LOSS OF POWER ON THE LEFT ENGINE DUE TO AN INADEQUATE PREFLIGHT BY THE PILOT. A SECONDARY CAUSE WAS A INADVERTENT FEATHERING OF THE WRONG PROPELLER BY THE PILOT.

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