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| Date: | Saturday 18 June 2022 |
| Time: | 15:23 LT |
| Type: |  Robinson R44 Raven II |
| Owner/operator: | Private |
| Registration: | N944BC |
| MSN: | 13484 |
| Year of manufacture: | 2013 |
| Total airframe hrs: | 1349 hours |
| Engine model: | Lycoming IO-540-AE1A5 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Other fatalities: | 0 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Auburn Municipal Airport, WA (S50) -
 United States of America
|
| Phase: | Take off |
| Nature: | Training |
| Departure airport: | Auburn Municipal Airport, WA (S50) |
| Auburn Municipal Airport, WA (S50) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The flight instructor was providing initial flight training to the student. After completing hover and pattern work, they transitioned to a raised grass helicopter practice pad on the airport. After the student completed a successful set-down, the instructor asked him to lift the helicopter into a hover. As the helicopter lifted off the ground, it began to move aft, and the instructor applied forward cyclic. However, the helicopter continued, and he felt the right skid touch the ground. The helicopter then started to roll, and sensing that this could be the beginning of a dynamic rollover event, he reduced collective pitch control, however the helicopter yawed to the left and rolled over. The fuselage and tailboom were substantially damaged. The pilot reported that there were no mechanical failures or malfunctions with the helicopter that would have precluded normal operation.
Probable Cause: The student pilot's loss of helicopter control and the flight instructor's delayed remedial action while providing hover training which resulted in a dynamic rollover.
Accident investigation:
 |
|
Sources:
NTSB WPR22LA220
FAA register: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=944BC
Location
Media:
One patient with minor injuries is heading to a local hospital via POV for further evaluation. pic.twitter.com/lEeDlsTYgA
— Valley Regional Fire (@ValleyFire) June 19, 2022
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 19-Jun-2022 11:48 | gerard57 | Added |
| 19-Jun-2022 12:57 | johnwg | Updated [Time, Aircraft type, Registration, Cn, Total occupants, Location, Departure airport, Destination airport, Source, Narrative, Category, ] |
| 19-Jun-2022 13:04 | johnwg | Updated [Location, Departure airport, Destination airport, ] |
| 19-Jun-2022 14:29 | RobertMB | Updated [Source, Embed code, Narrative, ] |
| 19-Jun-2022 14:29 | RobertMB | Updated |
| 30-Jun-2022 02:59 | Captain Adam | Updated [Time, Total occupants, Location, Nature, Source, Embed code, Narrative, ] |
| 03-Nov-2022 18:48 | ASN Update Bot | Updated [Time, Other fatalities, Departure airport, Destination airport, Source, Narrative, Category, Accident report, ] |
| 03-Nov-2022 19:39 | harro | Updated [Location, Phase, Departure airport, Destination airport, Source, Narrative, ] |
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