ASN Wikibase Occurrence # 188938
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| Date: | Tuesday 7 June 2016 |
| Time: | |
| Type: |  Robinson R44 II |
| Owner/operator: | Private |
| Registration: | N41407 |
| MSN: | 12424 |
| Year of manufacture: | 2008 |
| Total airframe hrs: | 460 hours |
| Engine model: | Lycoming IO-540-AE145 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Location: | Chireno, TX -
 United States of America
|
| Phase: | Landing |
| Nature: | Training |
| Departure airport: | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The student helicopter pilot reported that during a local flight he diverted his attention to the navigational equipment and removed his hand from the cyclic. He reported that he lost control of the helicopter and believed the helicopter became inverted. He further reported that he presumed that he had damaged the rotor system and elected to make a precautionary landing by entering an autorotation. During the landing, the left helicopter skid touched down on uneven terrain and the helicopter rolled over, which resulted in substantial damage to the tail boom.
The manufacturer provided a test flight video that showed what will occur when the Helicopter's cyclic is released in forward flight. Per the video, in forward flight, should the pilot release the cyclic, the helicopter will pitch up and roll left.
The National Transportation Safety Board determines the probable cause(s) of this accident as follows:The student pilot's selection of unsuitable terrain for landing, which resulted in the helicopter rolling over during landing, and substantial damage to the tail boom.
Accident investigation:
 |
|
Sources:
http://ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20160609X70225&key=1
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 30-Jul-2016 16:30 | Aerossurance | Added |
Corrections or additions? ... Edit this accident description
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