ASN Wikibase Occurrence # 317978
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| Date: | Thursday 13 July 2023 |
| Time: | 15:15 LT |
| Type: |  Hughes 369D |
| Owner/operator: | Heinen Bros Ag |
| Registration: | N533DR |
| MSN: | 490533D |
| Year of manufacture: | 1979 |
| Total airframe hrs: | 9071 hours |
| Engine model: | Rolls-Royce M250-C20,C20B |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Unknown |
| Category: | Accident |
| Location: | Atchison, KS -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Agricultural |
| Departure airport: | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot reported that, during an aerial application pass in a helicopter, he failed to observe a second lower powerline near a previously observed high-tension powerline. The pilot attempted to maneuver under the lower powerline but was unsuccessful, and the helicopter impacted the lower powerline and subsequently the terrain. The helicopter sustained substantial damage to the main rotor system, the tail boom, and the tail rotor system. The pilot reported there were no preaccident mechanical failures or malfunctions with the helicopter that would have precluded normal operation.
Probable Cause: The pilot's failure to adequately survey a field for obstructions prior to a low-level aerial application pass, which resulted in an impact with a powerline.
Accident investigation:
 |
|
Sources:
NTSB CEN23LA308
FAA register: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=N533DR
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 14-Jul-2023 15:05 | AgOps | Added |
| 14-Jul-2023 19:00 | RobertMB | Updated |
| 27-Jul-2023 21:34 | Captain Adam | Updated |
| 30-Sep-2023 11:52 | ASN Update Bot | Updated |
| 30-Sep-2023 11:53 | harro | Updated |
Corrections or additions? ... Edit this accident description
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