ASN Wikibase Occurrence # 36018
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| Date: | Thursday 23 June 1994 |
| Time: | 11:55 |
| Type: |  Hiller UH-12E |
| Owner/operator: | Emerald Helicopters |
| Registration: | N330CW |
| MSN: | HA3064 |
| Total airframe hrs: | 4363 hours |
| Engine model: | LYCOMING VO-540-C2A |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Watertown, SD -
 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 |
On June 23, 1994, at 1155 central daylight time, a Hiller HU-12E, N330CW, registered to Emerald Helicopters, Inc., of Olivia, Minnesota, and piloted by a commercial helicopter pilot, experienced a wire strike and impact with the terrain while maneuvering during aerial application. The helicopter was destroyed and the pilot sustained fatal injuries. The 14 CFR Part 137 flight was operating in visual meteorological conditions. No flight plan was on file. The exact location of the departure and time of departure are unknown.
WHILE MANEUVERING DURING AERIAL APPLICATION THE HELICOPTER IMPACTED A TRANSMISSION WIRE AND THE TERRAIN. A SUBSEQUENT EXAMINATION OF THE HELICOPTER REVEALED NO PRE-EXISTENT ANOMALIES. POST MORTEM EXAMINATION OF THE PILOT REVEALED NO PHYSICAL IMPAIRMENT AND TOXICOLOGICAL EXAMINATION OF SPECIMENS FROM PILOT WERE NEGATIVE FOR DRUGS SCREENED.
Probable Cause: the pilot's failure to maintain a visual lookout. A factor associated with the accident was the powerlines.
Accident investigation:
 |
|
Sources:
NTSB: https://www.ntsb.gov/ntsb/brief.asp?ev_id=20001206X01493
Images:
Photo: NTSB
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 21-Dec-2016 19:22 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 12-Oct-2022 03:31 | Captain Adam | Updated [Narrative, Accident report, Photo] |
Corrections or additions? ... Edit this accident description
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