ASN Wikibase Occurrence # 299278
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| Date: | Tuesday 29 February 2000 |
| Time: | 15:45 LT |
| Type: | Burak Stanley A XF4 |
| Owner/operator: | Private |
| Registration: | N9VY |
| MSN: | 1973-92 |
| Total airframe hrs: | 9 hours |
| Engine model: | Lycoming O-320 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | BROOKSVILLE, Florida -
 United States of America
|
| Phase: | Unknown |
| Nature: | Private |
| Departure airport: | (KBKV) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
Approximately 35 minutes in to the flight, the pilot experienced a loss of propeller thrust. The pilot stated that he heard a loud 'bang' from the engine compartment and experienced loss of thrust. The pilot said that the engine tachometer went to redline, and the propeller rpm decreased. The pilot said , changing the engine rpm did not change the propeller rpm. The pilot declared an emergency and started an emergency descent for a landing on runway 27. As the pilot maneuvered the airplane on the final approach, he cleared a stand of trees on the final approach to runway 27. While on short final to land, the airplane initially collided with the ground short of the runway surface and subsequently came to rest on a taxiway. The examination of the wreckage revealed that the Rex Flex Coupling Assembly had failed and that three out of the six Rex Bolts had also failed. The pilot stated that the Flexidyne Drive Shaft was designed for a 100 horse-power engine. The pilot/builder stated that he installed a 150 horse power engine on the airplane.
Probable Cause: The owner/builder's failure to build the airplane within the design stress limits of the drive shaft assembly, that resulted in the failure of the Flex Coupling Retention Bolts.
Accident investigation:
 |
|
Sources:
NTSB ATL00LA030
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 16-Oct-2022 04:46 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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