ASN Wikibase Occurrence # 266198
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| Date: | Saturday 31 July 2021 |
| Time: | 08:30 LT |
| Type: |  Robinson R44 Raven II |
| Owner/operator: | Mf Helicopters LLC |
| Registration: | N285RG |
| MSN: | 11323 |
| Year of manufacture: | 2006 |
| Total airframe hrs: | 3320 hours |
| Engine model: | Lycoming IO-540-AE1AS |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Randolph Township, Columbia County, WI -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Agricultural |
| Departure airport: | Randolph, WI |
| Randolph, WI | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot reported that while making a turn at the end of a field following an aerial application pass, the helicopter struck power lines and subsequently impacted the ground. The helicopter sustained substantial damage to the fuselage and main rotor system. The pilot did not report any preaccident mechanical malfunctions or failures with the helicopter that would have precluded normal operations. The pilot reported he was aware of the power lines but misjudged the position of the helicopter with reference to the lines and realized that he did not have sufficient room to make the turn without impacting the lines. The pilot stopped the turn and lowered the collective to attempt to pass under the power lines. The helicopter impacted the lower string of lines and impacted the ground, coming to rest almost upright.
Probable Cause: The pilot's failure to maintain clearance from power lines during a low-level aerial application flight.
Accident investigation:
 |
|
Sources:
NTSB CEN21LA349
https://flightaware.com/live/flight/N285RG
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 31-Jul-2021 20:44 | Geno | Added |
| 31-Jul-2021 20:59 | RobertMB | Updated [Total fatalities, Other fatalities, Narrative] |
| 02-Aug-2021 16:47 | Anon. | Updated [Aircraft type, Registration, Cn, Operator, Location, Source, Damage, Narrative] |
| 02-Aug-2021 16:48 | Captain Adam | Updated [Aircraft type, Operator, Location, Source, Damage, Narrative] |
| 08-Aug-2021 12:06 | Anon. | Updated [Location, Source, Narrative] |
| 19-Jan-2022 07:56 | Anon. | Updated [Narrative] |
| 25-Jun-2022 14:04 | ASN Update Bot | Updated [Time, Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative, Category, Accident report] |
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