NTSB Identification: MIA96LA231.
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Accident occurred Monday, September 16, 1996 in PENSACOLA, FL
Probable Cause Approval Date: 05/30/1997
Aircraft: Piper PA-22-108, registration: N984WB
Injuries: 1 Minor.

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 stated that he performed a preflight of the airplane, which included checking each fuel tank twice and the fuel strainer three times for contaminants. He stated he only observed a few drops of water during the first sample from the fuel strainer. He also stated that he performed an engine run-up before takeoff with no discrepancies noted. He applied full power to takeoff. The flight climbed to about 150 to 200 feet above ground level. When the flight was about 3/4 down the runway, the engine experienced a total loss of power. The pilot then initiated a descent for a forced landing, and the airplane collided with trees about 1/2 mile south of the runway. Postcrash examination of the engine revealed water and debris contamination in the carburetor. The carburetor was bench tested, which revealed the fuel flow in pounds per hour to be less than the engine manufacturers limits. Review of the engine logbook revealed no entry to indicate that the carburetor had been overhauled since it was manufactured in February 1961. The FAA-PMA produced a service bulletin (non-mandatory) which stated that the carburetor must be overhauled when the engine is overhauled or 10 years, which ever is first.

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

loss of engine power during the initial climb due to contamination in the carburetor. Trees in the emergency landing area were a related factor.

Full narrative available

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