NTSB Identification: ATL99FA122.
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Accident occurred Friday, September 03, 1999 in GAINESVILLE, GA
Probable Cause Approval Date: 01/18/2001
Aircraft: Mooney M20J, registration: N4072H
Injuries: 3 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.
Witnesses near the accident site recall observing the airplane in level flight at approximately 2000 feet above the ground. Other witnesses near the accident site reported hearing the engine lose power and then regain power, but are unclear as to whether the engine lost power a second time before colliding with the ground. They then observed the airplane pitch up and then spiral nose-down until it collided with the ground. Examination of the accident site revealed that the airplane rested on the ground in a nose low attitude. Debris from the airplane was scattered within an area 60 feet square. The engine and propeller assemblies were buried several inches into the ground. Examination of the engine assembly and the airframe failed to disclose a mechanical malfunction or a component failure.
The National Transportation Safety Board determines the probable cause(s) of this accident to be: The pilot's failure to maintain flying speed which resulted in a stall and the subsequent collision with terrain. Full narrative available
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