ASN Wikibase Occurrence # 377123
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| Date: | Wednesday 29 May 1985 |
| Time: | 13:00 LT |
| Type: |  Hughes 269C |
| Owner/operator: | Private |
| Registration: | N8976F |
| MSN: | 1130252 |
| Total airframe hrs: | 3182 hours |
| Engine model: | LYCOMING HIO-360 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | West Liberty, IA -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Agricultural |
| Departure airport: | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
ON A DOWNWIND SWATH RUN THE HELICOPTER EXPERIENCED AN ENG FAILURE AND THE PLT ENTERED AN AUTOROTATION. THE PLT THEN MADE A HARD LANDING WHICH RESULTED IN SUBSTANTIAL DAMAGE. INSPECTION OF THE ENGINE REVEALED THAT THE NUT WHICH RETAINS THE GEAR TO CRANKSHAFT END HAD BACKED OFF ALLOWING THE GEAR TO SEPARATE AND THE ENG TO QUIT. THE NUT SAFETY WHICH BUTTS UP TO THE NUT FACE WAS NOT IN PLACE.
Probable Cause:
Accident investigation:
 |
|
Sources:
NTSB MKC85LA115
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 30-Mar-2024 08:28 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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