ASN Wikibase Occurrence # 288098
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| Date: | Tuesday 7 September 2010 |
| Time: | 06:00 LT |
| Type: |  Aérospatiale SA 315B Lama |
| Owner/operator: | Precision Helicopter |
| Registration: | N17285 |
| MSN: | 2333 |
| Year of manufacture: | 1973 |
| Total airframe hrs: | 4334 hours |
| Engine model: | Turbomeca ARTOUSTE III |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Winters, California -
 United States of America
|
| Phase: | Take off |
| Nature: | Agricultural |
| Departure airport: | Winters, CA (KPVT) |
| Winters, CA (KPVT) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot reported that, after takeoff and about 200 feet above ground level, the engine decelerated to an idle power setting. The pilot initiated an autorotation, but, due to the low height above the ground, the helicopter landed hard. During the postaccident engine examination, the fuel pump and fuel governor were removed and placed on a test bench for an operational check. Both the fuel pump and governor performed within normal parameters. Further examination found non-metallic particles within the fuel filter; however, their presence would not have reduced the fuel flow and contributed to the engine deceleration event. An examination of the remaining engine components and airframe systems revealed no mechanical failures or malfunctions that would preclude normal operation. The reason for the loss of engine power could not be determined.
Probable Cause: A loss of engine power for reasons that could not be determined because postaccident examination of the airframe and engine did not reveal any anomalies that would have precluded normal operation.
Accident investigation:
 |
|
Sources:
NTSB WPR10LA452
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 04-Oct-2022 18:32 | ASN Update Bot | Added |
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