ASN Wikibase Occurrence # 145114
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| Date: | Sunday 11 March 2012 |
| Time: | 15:30 |
| Type: |  Hughes 369D |
| Owner/operator: | Prism Helicopters Inc |
| Registration: | C-GVEB |
| MSN: | 611006D |
| Year of manufacture: | 1981 |
| Total airframe hrs: | 13207 hours |
| Engine model: | Allison 250 |
| Fatalities: | Fatalities: 0 / Occupants: 4 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Trading Bay, AK -
 United States of America
|
| Phase: | Landing |
| Nature: | Passenger - Non-Scheduled/charter/Air Taxi |
| Departure airport: | Trading Bay, AK |
| Trading Bay, AK | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot was landing at an off-airport site in flat-light conditions. After touchdown, the left skid sank into the snow, and the helicopter began rolling to the left. The pilot attempted to correct the roll with right cyclic input but overcorrected, and the helicopter entered a dynamic roll to the right. The helicopter came to rest on its right side, sustaining substantial damage to the tailboom and the main rotor drive system. The pilot stated that there were no preaccident mechanical anomalies with the helicopter.
Probable Cause: The pilot's selection of an unsuitable landing site in flat-light conditions, which resulted in an inadvertent dynamic rollover.
Accident investigation:
 |
|
Sources:
NTSB
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 17-Apr-2012 22:32 | Geno | Added |
| 31-Aug-2014 19:22 | Aerossurance | Updated [Cn, Operator, Nature, Narrative] |
| 21-Dec-2016 19:28 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 27-Nov-2017 20:26 | ASN Update Bot | Updated [Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative] |
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