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NTSB Identification: MIA97LA118. The docket is stored in the (offline) NTSB Imaging System.

Accident occurred Thursday, April 03, 1997 at TROY, AL

Aircraft: Cessna 210M, registration: N761VX

Injuries: 1 Uninjured



Event: 20001208X07775 Status: Final Report Approved On Monday, February 02, 1998



NTSB Preliminary Narrative (6120.19A)



On April 3, 1997, about 1615 central standard time, a Cessna 210M, N761VX, registered to Air Carriers Inc,, crashed during a forced landing

following loss of engine power in the vicinity of Troy, Alabama, while on a Title 14 CFR Part 135 business flight. Visual meteorological conditions

prevailed. The commercial-rated pilot was not injured. The aircraft was substantially damaged. The flight originated from Dothan, Alabama.



The pilot reported experiencing a partial loss of engine power while en route from Dothan, Alabama, to Bessemer, Alabama at 4,500 feet in

visual meteorological conditions. The pilot performed an emergency landing under partial power at the Happy Valley Community Airpark, an

ultralight airfield. The aircraft's landing roll exceeded the runway length, struck tree stumps and dirt piles, flipped on its back and came to rest at

the end of the runway.



The engine was transported to Teledyne Continental Motors in Mobile, Alabama. The engine was placed in a test cell. The engine start up was

immediate and the engine ran smoothly at all rpm's. The propeller was removed and disassembled. The examination revealed the No. 2 blade hub

was not attached to the phenolic link on the piston assembly, and was broken into three pieces. The three pitch change brackets with phenolic

links were forwarded to the NTSB Materials Laboratory Division for further analysis.



Examination of the No. 2 blade hub was conducted with an electron microscope after ultrasonic cleaning with soap and water revealed

features typical of tensile overstress with no preexisting features. No stress raiser such as a gouge mark or pore was found on the surface in

the area of the fractures. For additional information see NTSB Metallurgist's Factual Report No. 97-150.



The three pitch change brackets with phenolic links were released to Mr. Scott Grant, FAA, FSDO-09, on October 6, 1997.



NTSB Final Narrative (6120.4)



The pilot stated he experienced a partial loss of engine power at 4,500 feet. He made a forced landing to an ultralight airfield. The airplane

touched down long, went off the end of the runway, and nosed over. The engine was removed and transported to the engine manufacturer.

The engine was placed in an engine test cell, started and developed power.



NTSB Probable Cause Narrative



The pilot's failure to obtain the proper touchdown point during an emergency landing resulting in an overrun and subsequent nose over. A factor

in the accident was a reported partial loss of engine power for undetermined reasons.



Occurrences and Sequence of Events

Occurrence: 1, LOSS OF ENGINE POWER

Phase of Operation: CRUISE



Sequence of Events for Occurrence Number: 1

1 (Finding) POWERPLANT / UNDETERMINED / (0)



Occurrence: 2, FORCED LANDING

Phase of Operation: DESCENT - EMERGENCY



Occurrence: 3, OVERRUN

Phase of Operation: EMERGENCY LANDING



Sequence of Events for Occurrence Number: 3

1 (Finding) TERRAIN CONDITIONS / WET / (0)

2 ( Cause ) PROPER TOUCHDOWN POINT / NOT OBTAINED / PILOT IN COMMAND



Occurrence: 4, NOSE OVER

Phase of Operation: EMERGENCY LANDING



Sequence of Events for Occurrence Number: 4

1 (Finding) TERRAIN CONDITIONS / GROUND / (0)


 

 

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