ASN Wikibase Occurrence # 379893
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| Date: | Thursday 15 March 1984 |
| Time: | 12:30 LT |
| Type: |  Hiller UH-12B |
| Owner/operator: | Myers Helicopter Service |
| Registration: | N1021Y |
| MSN: | MH353 |
| Total airframe hrs: | 1803 hours |
| Engine model: | Franklin 6V4-200-C33 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Ulysses, KS -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Ulysses, KS |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE PLT MADE AN AUTOROTATIVE PRECAUTIONARY LANDING AFTER FEELING VIBRATIONS IN THE ANTI-TORQUE PEDALS. THE ACFT WAS TURNED INTO THE WIND BUT LANDED HARD IN A FIELD. THE PLT UPON EXITING THE ACFT FOUND THE ANTI-TORQUE ROTOR AND GEARBOX MISSING. THEY WERE FOUND 100 YARDS AWAY, BACK ALONG THE FLT PATH. ANALYSIS OF THE FAILED PARTS REVEALED AN AREA OF FATIGUE IN THE ATTACHMENT FITTINGS OF THE ANTI-TORQUE ROTOR AND GEARBOX.
Probable Cause:
Accident investigation:
 |
|
Sources:
NTSB MKC84LA102
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 01-Apr-2024 10:37 | ASN Update Bot | Added |
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