ASN Wikibase Occurrence # 157117
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| Date: | Wednesday 22 November 2006 |
| Time: | 15:00 |
| Type: |  McDonnell Douglas MD 500E (369E) |
| Owner/operator: | Menasha Forest Management Services LLC |
| Registration: | N1611W |
| MSN: | 0319E |
| Year of manufacture: | 1989 |
| Total airframe hrs: | 7997 hours |
| Engine model: | Allison 250-C20B |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Near Lyons, OR -
 United States of America
|
| Phase: | En route |
| Nature: | External load operation |
| Departure airport: | Lyons, OR |
| Lyons, OR | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot said that he was moving Christmas trees during harvesting operations. He said that one of the two slings holding the load failed, and as the trees fell to the ground, the second sling "popped" into his rotor head. The pilot said that both the cyclic and collective were severed, and he lost all flight control. An autorotation was not possible and the helicopter fell to the ground and came to rest on its right side.
Probable Cause: A severing of the helicopter's cyclic and collective rods by one of the load lifting slings following the failure of the other sling. A contributing factor was the hard landing due to the fact that an autorotation was not possible.
Accident investigation:
 |
|
Sources:
NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20061231X01857&key=1
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 25-Jun-2013 13:30 | JINX | Added |
| 21-Dec-2016 19:28 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 05-Dec-2017 09:29 | ASN Update Bot | Updated [Other fatalities, Nature, Departure airport, Destination airport, Source, Narrative] |
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