NTSB Identification: FTW04FA232.
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Accident occurred Saturday, September 04, 2004 in Corsicana, TX
Probable Cause Approval Date: 07/07/2005
Aircraft: Fairchild M-62A-3, registration: N79307
Injuries: 2 Fatal.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

A witness observed the single engine vintage airplane in level flight and suddenly nose dive into the ground shortly after takeoff. Several witnesses at the airport reported that the pilot taxied the airplane to the runway run-up area and taxi back to a hangar, where he performed work on the airplane. Upon completing the work, the pilot taxied back to the runway, and proceeded to takeoff. A private individual who shared the hangar with the 8,000-hour pilot stated that he found a can of solvent and a sparkplug cleaner out of place and next to the air compressor the day of the accident. Examination of the airframe and engine revealed they were free of anomalies. Examination of the carburetor (Model MA-4-5, part number 10-2301, serial number 3908881) revealed the lower piece of the two piece venturi was dislodged and cocked over to one side. The legs of the lower piece were fractured and displayed evidence of carbon. The mating gasket between the upper and low body of the carburetor was imploded in two locations. Excessive soot and blackening was observed in the carburetor throat during disassembly examination.

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

The loss of engine power due to a faulty carburetor and the pilot's failure to maintain airspeed sufficient for flight resulting in an inadvertent stall/spin during the forced landing after takeoff.

Full narrative available

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