NTSB Identification: DFW07CA129.
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Accident occurred Wednesday, June 06, 2007 in Sayre, OK
Probable Cause Approval Date: 07/25/2007
Aircraft: Grumman G-164A, registration: N4673
Injuries: 1 Uninjured.

NTSB investigators used data provided by various entities, including, but not limited to, the Federal Aviation Administration and/or the operator and did not travel in support of this investigation to prepare this aircraft accident report.

The airline transport pilot departed in a single-engine, low-wing airplane for the purpose of aerial application. He reported that during takeoff, at approximately 100 feet above ground level (AGL), the engine lost partial power. He was unable to maintain altitude, and made a controlled descent into small trees off the end of the runway and then nosed over. An FAA inspector examined the airplane, and reported there was sufficient fuel on board for the flight and both water accumulators were empty. The airplane's last annual inspection was on March 21, 2007. At the time of inspection, the airplane had a total of 7,392 hours. The engine had 7,500 total hours, and 100 hours since it was last inspected. The cause for the partial loss of engine power was not determined.

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

The partial loss of engine power on takeoff-initial climb for an undetermined reason. A factor associated with the accident was the lack of suitable terrain for a forced landing.

Full narrative available

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