ASN Wikibase Occurrence # 39242
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| Date: | Saturday 31 January 1998 |
| Time: | 16:00 LT |
| Type: | Sherman EXECUTIVE |
| Owner/operator: | Evan J. Sherman |
| Registration: | N50499 |
| MSN: | ES002 |
| Engine model: | Rotorway RW152D |
| Fatalities: | Fatalities: 2 / Occupants: 2 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Stayton, OR -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Training |
| Departure airport: | Salem, OR |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The amateur-built helicopter collided with terrain after in-flight separation of its tail boom and tail rotor while maneuvering. Witnesses described the helicopter making about 4 passes over the field at about 500 feet above the surface. On the last pass, there was a hard yaw to the right; the helicopter then straightened out, pitched into a flare, then the tail came up and the main rotor struck the tail-boom. The tail-boom, tail rotor, and bubble canopy separated from the helicopter. The main wreckage was located about 300 feet from those components.
Probable Cause: Main rotor strike and separation of the tail boom for undetermined reasons.
Accident investigation:
 |
|
Sources:
NTSB SEA98LA033
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 21-Dec-2016 19:23 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 07-Apr-2024 14:37 | ASN Update Bot | Updated [Time, Aircraft type, Operator, Other fatalities, Phase, Source, Narrative, Category, Accident report] |
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