ASN Wikibase Occurrence # 312436
This information is added by users of ASN. Neither ASN nor the Flight Safety Foundation are responsible for the completeness or correctness of this information.
If you feel this information is incomplete or incorrect, you can submit corrected information.
| Date: | Tuesday 9 May 2023 |
| Time: | 11:00 LT |
| Type: |  Robinson R44 Raven II |
| Owner/operator: | Willow Creek Aviation |
| Registration: | N704T |
| MSN: | 10343 |
| Year of manufacture: | 2004 |
| Total airframe hrs: | 3191 hours |
| Engine model: | Lycoming IO-540-AE1A5 |
| Fatalities: | Fatalities: 0 / Occupants: 3 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | near Skwentna, AK -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Executive |
| Departure airport: | Skwentna Intermediate Airport, AK (SKW/PASW) |
| Skwentna, AK | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot reported that, he was flying uphill over an area of snow-covered, mountainous terrain, when he encountered flat light and whiteout conditions, which made it difficult to discern topographical features. In an attempt to maintain visual reference with the ground, he turned the helicopter to the right to fly back down the hill. Subsequently, the right landing gear skid contacted terrain and the helicopter entered a dynamic rollover to the right, resulting in substantial damage to the fuselage, tail boom, and powertrain system. The pilot reported that there were no preaccident mechanical malfunctions or anomalies that would have precluded normal operation.
Probable Cause: The pilot's failure to maintain adequate altitude/clearance from terrain while maneuvering in adverse weather conditions, which resulted in a dynamic rollover.
Accident investigation:
 |
|
Sources:
NTSB ANC23LA032
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 12-May-2023 11:15 | Captain Adam | Added |
| 12-May-2023 14:01 | RobertMB | Updated |
| 12-May-2023 19:18 | Captain Adam | Updated |
| 28-Jul-2023 17:28 | ASN Update Bot | Updated |
Corrections or additions? ... Edit this accident description
The Aviation Safety Network is an exclusive service provided by:
Quick Links:
| ASN Home | Send Correction / Feedback |
| FSF Home | Disclaimer | Copyright |
| Contact Us | Privacy Policy |
| Press / Media |
CONNECT WITH US:
©2024 Flight Safety Foundation