ASN Wikibase Occurrence # 70881
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| Date: | Thursday 31 December 2009 |
| Time: | 14:00 |
| Type: |  Piper PA-18-105 Cub Special |
| Owner/operator: | Private |
| Registration: | N146T |
| MSN: | 18-2260 |
| Year of manufacture: | 1952 |
| Total airframe hrs: | 3610 hours |
| Engine model: | Lycoming O-320-B2B |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Near Willow Airport, AK -
 United States of America
|
| Phase: | Landing |
| Nature: | Private |
| Departure airport: | Willow, AK (UUO) |
| Wasilla, AK (IYS) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The private pilot was departing on a Title 14, CFR Part 91, personal flight. He said that shortly after takeoff, all engine power was lost, and he turned the airplane left, 180 degrees, in an attempt to return to the runway. During the turn, the airplane descended nose first into an area of snow-covered terrain, coming to rest inverted about 275-yards from the runway end. A postaccident examination revealed that the airplane's fuel valve selector handle was in the near off position. No mechanical anomalies were discovered during the wreckage examination. The pilot said that he fueled the airplane just before the accident flight, but he could not recall if he closed the fuel valve while fueling. He speculated that he may have inadvertently moved the fuel valve selector handle while boarding the airplane, while wearing a pair of heavy, thick, insulated overalls. In the pilot's written statement to the NTSB, he indicated that there were no preaccident mechanical problems with the airplane, and in the section of the report "Recommendation (How could this accident have been prevented?)" the pilot wrote, in part: "Do checklist" and "Land straight ahead when the engine stops." Given the lack of mechanical deficiencies with the airplane's engine or flight controls, in conjunction with the pilot’s statement, it is likely the pilot failed to ensure that the airplane's fuel valve was properly positioned before takeoff, and then failed to adequately maintain control of the airplane while returning to the airport after the power loss.
Probable Cause: The pilot’s failure to ensure that the airplane’s fuel selector valve was on before takeoff, resulting in a loss of engine power due to fuel starvation, and his subsequent decision to attempt a low altitude turn towards the departure airport, resulting in an aerodynamic stall and loss of control.
Accident investigation:
 |
|
Sources:
NTSB
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 01-Jan-2010 16:19 | RobertMB | Added |
| 21-Dec-2016 19:25 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 02-Dec-2017 17:59 | ASN Update Bot | Updated [Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative] |
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