ASN Wikibase Occurrence # 193450
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| Date: | Thursday 9 February 2017 |
| Time: | 14:30 |
| Type: |  Bell 47D-1 |
| Owner/operator: | Private |
| Registration: | N2875F |
| MSN: | TWH-8 |
| Year of manufacture: | 1976 |
| Total airframe hrs: | 2530 hours |
| Engine model: | Franklin 6V535A |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Archer County, near Lake Kickapoo, TX -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Holliday, TX |
| Holliday, TX | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The private pilot reported that he departed from his ranch and was flying about 100 ft above ground level and at 50 knots. He intended to position the carburetor heat to “on,” but he inadvertently positioned the mixture control to the “fuel cutoff” position instead, and the engine lost total power. He immediately entered an autorotation, but because the helicopter was so low and slow, there was insufficient time and altitude to flare the helicopter. He stated that the airspeed decreased and that the main rotor blade stalled, which caused the helicopter to just "drop." The pilot reported no preaccident mechanical malfunctions or failures with the helicopter that would have precluded normal operation. The pilot’s inadvertent positioning of the mixture control to the “fuel cutoff” position resulted in fuel starvation and the total loss of engine power.
Probable Cause: The total loss of engine power due to fuel starvation, which resulted from the pilot’s inadvertent positioning of the mixture control to the “fuel cutoff” position.
Accident investigation:
 |
|
Sources:
NTSB
FAA register: http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=2875F
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 10-Feb-2017 07:10 | gerard57 | Added |
| 10-Feb-2017 07:16 | harro | Updated [Aircraft type, Registration, Cn, Source] |
| 10-Feb-2017 09:47 | Aerossurance | Updated [Time, Location, Source] |
| 10-Feb-2017 12:05 | harro | Updated [Aircraft type] |
| 10-Feb-2017 16:27 | Geno | Updated [Location, Source, Narrative] |
| 19-Aug-2017 16:04 | ASN Update Bot | Updated [Time, Other fatalities, Departure airport, Destination airport, Source, Damage, Narrative] |
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