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ASN Wikibase Occurrence # 157117
Last updated: 10 August 2020
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Date:22-NOV-2006
Time:15:00
Type:Silhouette image of generic H500 model; specific model in this crash may look slightly different
McDonnell Douglas MD 500E (369E)
Owner/operator:Menasha Forest Management Services LLC
Registration: N1611W
C/n / msn: 0319E
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
Destination airport:Lyons, OR
Investigating agency: NTSB
Narrative:
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.

Sources:

NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20061231X01857&key=1


Revision history:

Date/timeContributorUpdates
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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