ASN Wikibase Occurrence # 295253
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| Date: | Tuesday 9 September 2003 |
| Time: | 11:15 LT |
| Type: |  Hiller UH-12E |
| Owner/operator: | Murray Ag, Inc. |
| Registration: | N9792C |
| MSN: | 2277 |
| Engine model: | Lycoming VO 540 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Kekaha, Kauai, HI -
 United States of America
|
| Phase: | Unknown |
| Nature: | Agricultural |
| Departure airport: | Polihale, HI |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The helicopter collided with power lines during aerial application operations. The pilot was returning to the service truck for another load [of chemicals]. At the top of a ridge, approximately 500 feet mean sea level, there were two power lines of which he was unaware. During a descent at 60 knots, the helicopter impacted the top wire "about the middle of the bubble." As a result, it pitched forward and the main rotor blade cut the wire and tail boom off in sequence. The helicopter began spinning to the right and the pilot performed an autorotation.
Probable Cause: the pilot's failure to maintain clearance with the wires due to an inadequate visual lookout.
Accident investigation:
 |
|
Sources:
NTSB LAX03CA284
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 13-Oct-2022 06:07 | ASN Update Bot | Added |
| 15-Jun-2023 04:43 | Ron Averes | Updated |
Corrections or additions? ... Edit this accident description
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