ASN Wikibase Occurrence # 285820
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| Date: | Wednesday 23 July 2008 |
| Time: | 09:30 LT |
| Type: |  Enstrom F28F |
| Owner/operator: | Private |
| Registration: | N8626E |
| MSN: | 744 |
| Total airframe hrs: | 1120 hours |
| Engine model: | Lycoming HIO-360-F1A0 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Amberg, Wisconsin -
 United States of America
|
| Phase: | En route |
| Nature: | Executive |
| Departure airport: | Menominee Marinette Twin County Airport, MI (KMNM) |
| IRON MOUNTAIN/K, MI (IMT | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot stated that the helicopter had undergone an annual inspection at the helicopter manufacturer, and he was returning when he felt a "sudden" yaw to the left during cruise flight about 32 miles from the destination airport. The pilot then performed an "immediate" descent to a clearing, and about 60 feet above ground level and 30 miles per hour, the engine lost power. The helicopter landed on its skids and spun 180 degrees, impacting a tree with its tail rotor. The tail boom separated from the fuselage and a fire ensued consuming about 10 acres of land. The pilot exited the helicopter through the "partially jammed" passenger door because the pilot door was "jammed." The pilot received minor injuries. Examination of the engine revealed a cylinder head that was separated from its barrel.
Probable Cause: The unsuitable terrain encountered by the pilot during a forced landing following a loss of engine power due to a cylinder head separation. Contributing to the accident was the tree.
Accident investigation:
 |
|
Sources:
NTSB CHI08CA203
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 02-Oct-2022 15:33 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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