ASN Wikibase Occurrence # 361366
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Date: | Friday 3 September 1993 |
Time: | 17:27 LT |
Type: | Bensen B8 |
Owner/operator: | Private |
Registration: | UNREG |
MSN: | |
Engine model: | MCCULLOCH 4318 |
Fatalities: | Fatalities: / Occupants: 1 |
Aircraft damage: | Destroyed |
Category: | Accident |
Location: | Aurora, CO -
United States of America
|
Phase: | En route |
Nature: | Private |
Departure airport: | Watkins, CO (KFTG) |
Destination airport: | |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:THE AIRCRAFT WAS SEEN FLYING BETWEEN 300 AND 400 FEET ABOVE THE GROUND WHEN, ACCORDING TO A WITNESS, IT SUDDENLY 'ROLLED RIGHT, NEARLY INVERTED, AND DESCENDED APPROXIMATELY 80 DEGREES NOSE DOWN.' SEVERAL DEEP GOUGES AND A SCRAPE MARK WERE NOTED ATOP THE ENGINE CRANKCASE, DIRECTLY BENEATH THE CENTER ENGINE MOUNTING BOLT. THE ENGINE MOUNT WAS FRACTURED. THIS FRACTURE, ACCORDING TO A METALLURGIST, WAS DUE TO FATIGUE. THE REMAINING FRACTURES WERE DUE TO OVERLOAD. THERE WAS NO EVIDENCE OF FLIGHT CONTROL MALFUNCTION OR FAILURE.
Probable Cause: FATIGUE FAILURE OF THE CENTER ENGINE MOUNT THAT ALTERED THE THRUST AND LIFT VECTORS.
Accident investigation:
|
| |
Investigating agency: | NTSB |
Report number: | FTW93LA272 |
Status: | Investigation completed |
Duration: | 11 months |
Download report: | Final report |
|
Sources:
NTSB FTW93LA272
Location
Revision history:
Date/time | Contributor | Updates |
16-Mar-2024 17:45 |
ASN Update Bot |
Added |
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