ASN Wikibase Occurrence # 380046
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| Date: | Saturday 18 February 1984 |
| Time: | 14:30 LT |
| Type: |  Bell 206L-3 |
| Owner/operator: | N. Am. Helicopter Service Inc |
| Registration: | N3893U |
| MSN: | 51020 |
| Year of manufacture: | 0 |
| Total airframe hrs: | 1298 hours |
| Engine model: | Allison 250-C30P |
| Fatalities: | Fatalities: 0 / Occupants: 7 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Lake City, CO -
 United States of America
|
| Phase: | Initial climb |
| Nature: | Unknown |
| Departure airport: | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
THE HELICOPTER TOOK OFF IN MARGINAL VMC CONDITIONS AT CLOSE TO CONDITIONS REQUIRING MAXIMUM PERFORMANCE FOR TAKEOFF. THE PLT ATTEMPTED TO HOVER AT 90 PERCENT RPM WAITING HE SAID 'FOR A BREEZE'. THE HOVER STIRRED UP SNOW CAUSING A WHITEOUT AND LOSS OF VISUAL CUES. WHEN THE ACFT WAS SETTLING THE PLT APPLIED 100 PERCENT TO CHECK THE DESCENT BUT THE ACFT STRUCK THE GROUND. AN ARTICLE IN FEB 1984 ISSUE OF FLYING SAFETY HAD SUGGESTIONS FOR THIS TYPE OPERATION WHICH INCLUDES 'APPLY SUFFICIENT TORQUE FOR A POSITIVE RATE OF CLIMB.'
Probable Cause:
Accident investigation:
 |
|
Sources:
NTSB DEN84LA093
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 01-Apr-2024 12:14 | ASN Update Bot | Added |
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