ASN Wikibase Occurrence # 135324
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| Date: | Friday 27 June 2003 |
| Time: | 17:45 |
| Type: |  Hiller UH-12E |
| Owner/operator: | Private |
| Registration: | N62417 |
| MSN: | 1158 |
| Total airframe hrs: | 1163 hours |
| Engine model: | Lycoming VO540-C2A |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Elk Mound, WI -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Agricultural |
| Departure airport: | Elk Mound, WI (WI05) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The helicopter impacted terrain after encountering a reported "whirlwind." The pilot reported he was on a spray pass at a "good altitude" and at 55 miles per hour. The pilot noted he saw the whirlwind but was not concerned. The pilot stated, "suddenly it felt [he] was slammed into the ground and out of control." The pilot reported the helicopter cartwheeled about 60 to 100 feet before coming to a stop.
Probable Cause: The pilot's failure to maintain clearance from the terrain. Factors contributing to the accident were the whirlwind, the turbulence, and the helicopter's low altitude.
Accident investigation:
 |
|
Sources:
NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20030702X01007&key=1
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 21-Dec-2016 19:26 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 08-Dec-2017 18:51 | ASN Update Bot | Updated [Operator, Other fatalities, Departure airport, Source, Narrative] |
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