ASN Wikibase Occurrence # 298677
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| Date: | Sunday 16 July 2000 |
| Time: | 00:40 LT |
| Type: |  Mbb BK-117-A3 |
| Owner/operator: | Omniflight Helicopters, Inc. |
| Registration: | N312LS |
| MSN: | 7061 |
| Year of manufacture: | 1985 |
| Total airframe hrs: | 6508 hours |
| Engine model: | Lycoming LTS101-650-1 |
| Fatalities: | Fatalities: 0 / Occupants: 3 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | ALLEN, Texas -
 United States of America
|
| Phase: | Unknown |
| Nature: | Ferry/positioning |
| Departure airport: | GARLAND , TX (T57) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The commercial helicopter pilot terminated the night approach to a 6 to 8-foot hover, with 'trees and 2 post-box's to the right and a large ditch to the left.' The pilot hovered the helicopter sideways to the left to move away from the trees. He then started a left pedal turn to face EMS units located behind the helicopter. He had turned the helicopter approximately 120 degrees, 'when I moved backwards' and struck the trees with the tail rotor. He immediately stopped the turn and moved the helicopter forward before losing tail rotor control. As the helicopter began to spin, he 'lowered the collective and landed hard.' The tail rotor drive shaft forward of the 45 degree gearbox was sheared.
Probable Cause: the pilot's failure to maintain obstacle clearance while hovering the helicopter. A contributing factor was the dark night light conditions.
Accident investigation:
 |
|
Sources:
NTSB FTW00LA206
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 15-Oct-2022 21:19 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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