NTSB Identification: MIA97LA091.
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Accident occurred Sunday, March 02, 1997 in WAUCHULA, FL
Probable Cause Approval Date: 08/29/1997
Aircraft: Hackett WINDEX 1200C, registration: N1201G
Injuries: 1 Fatal.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

The home built, powered glider was being flown on a flight to conduct a stall test at 3,000 feet. A witness observed the powered sailplane flying westbound at low altitude. According to the witness, the powered sailplane entered an abrupt turn to the east, then it started rotating to the left in a descent until it disappeared from view below a tree line. Examination of the crash site revealed evidence that the powered sailplane collided with the ground in a near vertical descent, 10-degree nose-up attitude, with no evidence of forward motion, rotating around its vertical axis to the left. Examination of the airframe, flight control assembly, engine assembly, and accessories revealed no evidence of a precrash mechanical failure or malfunction. The powered sailplane had accumulated about 4 hours of flight time, since it was built.

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

failure of the pilot to maintain adequate airspeed, while maneuvering, which resulted in an inadvertent stall/spin and subsequent collision with terrain.

Full narrative available

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