ASN Wikibase Occurrence # 363200
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| Date: | Saturday 1 August 1992 |
| Time: | 11:58 LT |
| Type: |  Hughes 269C |
| Owner/operator: | Great Lakes Helicopter Service |
| Registration: | N58335 |
| MSN: | 390762 |
| Year of manufacture: | 1979 |
| Total airframe hrs: | 2805 hours |
| Engine model: | LYCOMING HIO-360-D1A |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Aurora, IL -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Sugar Grove, IL (KARR) |
| (KARR) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE PILOT FELT A YAW, LOSS OF POWER AND DECREASE IN ROTOR RPM DURING CRUISE. HE TURNED TOWARD HOMEFIELD AND BEGAN A DESCENT. ENROUTE, THE ENGINE LOST POWER COMPLETELY, AND HE LANDED HARD IN AN OPEN FIELD. ENGINE EXAMINATION REVEALED THE CRANKSHAFT SEPARATED AT A FATIGUE FRACTURE THROUGH THE NUMBER FOUR ROD JOURNAL.
Probable Cause: FATIGUE FRACTURE OF THE ENGINE CRANKSHAFT RESULTING IN LOSS OF POWER. FACTORS WERE THE PILOT'S EXCESSIVE DESCENT AND HIS LACK OF TOTAL EXPERIENCE.
Accident investigation:
 |
|
Sources:
NTSB CHI92LA222
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 18-Mar-2024 14:39 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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