ASN Wikibase Occurrence # 359603
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| Date: | Monday 31 October 1994 |
| Time: | 17:30 LT |
| Type: |  Bell UH-1E |
| Owner/operator: | Private |
| Registration: | N5088J |
| MSN: | 154696 |
| Total airframe hrs: | 7309 hours |
| Engine model: | LYCOMING T53-L-13B |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Willits, CA -
 United States of America
|
| Phase: | En route |
| Nature: | Unknown |
| Departure airport: | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE PILOT WAS CONDUCTING A SERIES OF SLING LOAD LOGGING OPERATIONS. THE PILOT DEPARTED THE LOGGING AREA AFTER SETTING DOWN THE LAST LOG. DURING THE CLIMB-OUT, THE TAIL ROTOR ASSEMBLY STRUCK A TREE AND SEPARATED FROM ITS ATTACH BRACKET. THE PILOT EXECUTED AN AUTOROTATION. THE HELICOPTER SUSTAINED A HARD LANDING AT THE COMPLETION OF THE AUTOROTATION. METALLURGICAL EXAMINATION OF THE HELICOPTER'S 90-DEGREE GEARBOX DISCLOSED NO EVIDENCE OF ANY FATIGUE ON THE FRACTURED SURFACES. THE WRECKAGE EXAMINATION REVEALED NO EVIDENCE OF ANY PREEXISTING AIRFRAME OR ENGINE MALFUNCTIONS OR FAILURES.
Probable Cause: that the pilot misjudged the distance between the helicopter and the trees.
Accident investigation:
 |
|
Sources:
NTSB LAX95LA030
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 15-Mar-2024 12:39 | ASN Update Bot | Added |
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