ASN Wikibase Occurrence # 234281
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| Date: | Friday 6 September 2019 |
| Time: | 13:50 |
| Type: |  Robinson R44 II |
| Owner/operator: | Pollux Aviation Ltd |
| Registration: | N447PA |
| MSN: | 11197 |
| Year of manufacture: | 2006 |
| Total airframe hrs: | 4038 hours |
| Engine model: | Lycoming IO-540-AE1A5 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Nuiqsut, AK -
 United States of America
|
| Phase: | Landing |
| Nature: | Cargo |
| Departure airport: | Prudhoe Bay/Deadhorse Airport, AK (SCC/PASC) |
| Prudhoe Bay/Deadhorse Airport, AK (SCC/PASC) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot reported that he landed the helicopter facing south and about 90 ft from where ground personnel were unhooking super sacks filled with gravel. When the skids touched down, the pilot reduced the collective and then saw an empty super sack about 15 ft away, which subsequently struck the main rotor toward the outboard portion of the blade. The super sack was ingested by the advancing side of the main rotor disk. The pilot rolled off the throttle and shut down the engine. The helicopter sustained substantial damage to the main rotor blades. The pilot reported that there were no preaccident mechanical failures or malfunctions with the helicopter that would have precluded normal operation.
Probable Cause: The pilot's improper decision to land downwind from unsecured debris, which resulted in the helicopter’s main rotor disk ingesting foreign objects.
Accident investigation:
 |
|
Sources:
NTSB
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 23-Mar-2020 18:43 | ASN Update Bot | Added |
| 14-Nov-2023 16:04 | harro | Updated [Other fatalities, Narrative] |
Corrections or additions? ... Edit this accident description
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