ASN Wikibase Occurrence # 365949
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| Date: | Thursday 15 November 1990 |
| Time: | 11:20 LT |
| Type: |  Hughes 269C |
| Owner/operator: | Helicopters Inc. |
| Registration: | N9280F |
| MSN: | 540305 |
| Total airframe hrs: | 8409 hours |
| Engine model: | LYCOMING HIO-360-D1A |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Louisville, KY -
 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 PATROLLING A PIPELINE WHEN THE ENGINE LOST POWER. HE DID AN AUTOROTATION LANDING IN AN OPEN FIELD. THE INVESTIGATION REVEALED THE NUMBER ONE CYLINDER CONNECTING ROD CAP HAD FRACTURED. METALLURGICAL EXAMINATION OF THE FRACTURE SURFACE REVEALED A FATIGUE CRACK HAD ORIGINATED FROM A GALLING MARK ON THE BEARING SURFACE OF THE ROD. THE ENGINE WAS OPERATED 39 HOURS SINCE IT WAS LAST OVERHAULED.
Probable Cause: FATIGUE FAILURE OF THE NUMBER 1 CYLINDER CONNECTING ROD.
Accident investigation:
 |
|
Sources:
NTSB BFO91LA014
History of this aircraft
Other occurrences involving this aircraft
| 25 August 1985 | N9280F | Helicopters, Inc. | 0 | Elizabethtown, KY | |
sub |
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 20-Mar-2024 15:48 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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