ASN Wikibase Occurrence # 134263
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| Date: | Thursday 4 April 2002 |
| Time: | 14:00 |
| Type: |  Bell 206B-3 JetRanger III |
| Owner/operator: | AeroWest Helicopters, Inc. |
| Registration: | N997GM |
| MSN: | 2366 |
| Year of manufacture: | 1978 |
| Total airframe hrs: | 8890 hours |
| Engine model: | Rolls Royce/Allison 250-C20B |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Leadville, CO -
 United States of America
|
| Phase: | En route |
| Nature: | Survey |
| Departure airport: | Eagle, CO (EGE) |
| Leadville, CO (LXV) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot, who was on a power line patrol in mountainous terrain, flew the helicopter 100 feet to the right of the power line and into a 10 to 18 knot headwind. Airspeed was between 70 and 80 knots, altitude was 400 feet above the ground, and power was between 70 to 80 percent torque. As he turned to continue following the power line, a "strong downdraft pushed the helicopter" into the ground despite his efforts to regain control. The helicopter struck snow-covered terrain and rolled over.
Probable Cause: the pilot's inadvertent flight into adverse weather, which resulted in a collision with terrain. A contributing factor was the downdraft.
Accident investigation:
 |
|
Sources:
NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20020422X00566&key=1
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 21-Dec-2016 19:26 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 09-Dec-2017 16:06 | ASN Update Bot | Updated [Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative] |
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