ASN Wikibase Occurrence # 367720
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| Date: | Friday 10 November 1989 |
| Time: | 20:00 LT |
| Type: |  Beechcraft 95 |
| Owner/operator: | B & H Aviation |
| Registration: | N17AT |
| MSN: | TD107 |
| Engine model: | LYCOMING O-360-A1A |
| Fatalities: | Fatalities: 0 / Occupants: 4 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Floydada, TX -
 United States of America
|
| Phase: | En route |
| Nature: | Training |
| Departure airport: | Grand Prairie, TX (F67) |
| (Q41) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
WHILE THE AIRPLANE WAS AT CRUISE, THE RIGHT PROPELLER SPINNER FELL OFF. THREE OR FOUR MINUTES LATER, THE RIGHT PROPELLER CAME OFF AND CUT INTO THE NOSE OF THE AIRPLANE. WITH NO ELECTRICAL POWER, AND DETERIORATED AIRPLANE CONTROL, THE PILOT MADE A WHEELS-UP LANDING ON THE DESTINATION AIRPORT. THE RIGHT PROPELLER AND THE CENTER OF THE STARTER RING WERE NOT RECOVERED. FIVE OF THE PROPELLER ATTACHMENT BOLTS REMAINED IN THE ENGINE CRANKSHAFT FLANGE. LABORATORY VISUAL INSPECTION INDICATED FOUR OF THESE BOLTS FAILED FROM FATIGUE AND THE FIFTH FAILED FROM OVERLOAD.
Probable Cause: FAILURE OF THE PROPELLER ATTACHMENT BOLTS DUE TO FATIGUE IN FOUR OF THE BOLTS AND OVERLOAD IN ANOTHER. A CONTRIBUTING FACTOR WAS THE LOSS OF ELECTRICAL POWER AND THE DETERIORATED AIRPLANE CONTROL/PREFORMANCE.
Accident investigation:
 |
|
Sources:
NTSB FTW90LA025
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 22-Mar-2024 18:05 | ASN Update Bot | Added |
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