NTSB Identification: ATL99LA133.
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Accident occurred Sunday, September 19, 1999 in ENTERPRISE, AL
Probable Cause Approval Date: 08/03/2000
Aircraft: Grumman-Schweizer G-164B, registration: N6736Q
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.

According to the pilot, he departed Enterprise Airport with a full load of chemicals for aerial application to a nearby cotton field. Shortly after takeoff, the engine began to surge. He adjusted the propeller lever control to the 'high' position and turned the fuel boost pump 'on.' He elected to return to the airport and while on short final he observed another airplane pass beneath him. His airplane, although surging, had been producing sufficient power therefore, he executed a left 360 degree turn for spacing. When the turn was nearly complete, the engine lost all power and he maneuvered for an open field. The airplane collided with a tree and then the ground. Examination of the wreckage revealed that the wings, empennage, and fuselage were destroyed almost beyond recognition. The only recognizable portion of the engine was the power section and the entire turbine section was destroyed. A fuel sample of the Jet-A fuel used in the airplane showed no visible evidence of contamination. The airplane and engine were consumed by fire.

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

The loss of engine power for undetermined reasons. Contributing to the severity of the accident was the in-flight collision with a tree during the forced landing.

Full narrative available

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