NTSB Identification: MIA96LA171.
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Accident occurred Saturday, June 29, 1996 in KISSIMMEE, FL
Probable Cause Approval Date: 12/10/1996
Aircraft: Beech B35, registration: N5136C
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.

The pilot stated that while descending at an indicated airspeed of 170 miles per hour (mph), the flight encountered moderate to severe clear air turbulence. He then felt a momentary vibration through the airframe and reduced power. He continued toward the planned destination and made an uneventful landing. Postlanding inspection of the airframe revealed that the rear bulkhead was cracked and that both stabilators and both ruddervators were damaged. The ruddervators were removed and found to be within prescribed limits for static balance checks. Regarding airspeed, the flight manual for the airplane indicated that the beginning of the caution range (VB) was 164 mph.

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

the pilot was operating the airplane at an indicated airspeed that exceeded the design speed for maximum gust intensity (VB), when clear air turbulence was encountered.

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