NTSB Identification: ATL00LA046.
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Accident occurred Saturday, April 22, 2000 in LAWRENCEBURG, TN
Probable Cause Approval Date: 03/02/2001
Aircraft: Air Tractor AT-401-B, registration: N6096P
Injuries: 1 Uninjured.

NTSB investigators may have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

The pilot stated that, while on an aerial application run, he heard a loud pop and observed black smoke coming from the engine exhaust. The pilot selected an area for a forced landing. While maneuvering for the landing, the airplane collided with trees. Examination of the engine disclosed that, the number 3 cylinder's exhaust valve was stuck in the open position

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

The loss of engine power due to a stuck exhaust valve that resulted in the collision with a tree while maneuvering for the forced landing.

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