NTSB Identification: MIA94LA123.
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Accident occurred Saturday, April 16, 1994 in SPRING HILL, FL
Probable Cause Approval Date: 12/07/1994
Aircraft: PIPER PA-24-260, registration: N8572P
Injuries: 1 Uninjured.

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

DURING CRUISE FLIGHT THE PILOT REPORTED A SEVERE VIBRATION. DURING THE FORCED LANDING THE AIRPLANE COLLIDED WITH TERRAIN AND CAME TO REST UPRIGHT. EXAMINATION OF THE PROPELLER REVEALED THAT A PITCH CHANGE KNOB ON ONE OF THE PROPELLER BLADES WAS FAILED. METALLURGICAL EXAMINATION OF THE FAILED PITCH CHANGE KNOB REVEALED THAT IT FAILED DUE TO FATIGUE.

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

UNSUITABLE TERRAIN ENCOUNTERED DURING A FORCED LANDING. CONTRIBUTING TO THE ACCIDENT WAS THE FATIGUE FAILURE OF ONE OF THE PROPELLER BLADE'S PITCH CHANGE KNOB.

Full narrative available

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