ASN Wikibase Occurrence # 371048
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| Date: | Thursday 26 May 1988 |
| Time: | 22:15 LT |
| Type: |  Enstrom F-28A |
| Owner/operator: | Horizon Helicopters |
| Registration: | N9209 |
| MSN: | 226 |
| Total airframe hrs: | 26124 hours |
| Engine model: | LYCOMING HIO-360-C1A |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Middletown, DE -
 United States of America
|
| Phase: | Initial climb |
| Nature: | Training |
| Departure airport: | (N92) |
| Wilmington, DE (KILG) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
SHORTLY AFTER TAKEOFF, AT AN ALT OF APRX 400 FT, A LOUD BANG WAS HEARD AND THE HELICOPTER DEVELOPED A MODERATE TO SEVERE VIBRATION. THE CFI TOOK CONTROL OF THE HELICOPTER AND INITIATED AN AUTOROTATION. THE HELICOPTER CONTACTED SMALL TREE BRANCHES AND LANDED HARD IN A FIELD. POST ACCIDENT INSPECTION REVEALED THE #3 CYLINDER CONNECTING ROD CAP HAD SEPARATED FROM THE CONNECTING ROD. THE FATIGUE FAILURE INITIATED AT THE BOLT HOLE IN THE YOKE SECTION OF THE ROD. SEVERE GALLING WAS VISIBLE ON THE FAILED CONNECTING ROD CAP AND YOKE.
Probable Cause:
Accident investigation:
 |
|
Sources:
NTSB BFO88FA050
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 25-Mar-2024 17:29 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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