ASN Wikibase Occurrence # 146885
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| Date: | Sunday 22 July 2012 |
| Time: | 14:30 |
| Type: |  Cessna A185F Skywagon |
| Owner/operator: | Private |
| Registration: | N5168E |
| MSN: | 18503937 |
| Year of manufacture: | 1979 |
| Total airframe hrs: | 3747 hours |
| Engine model: | Continental IO 520 SERIES |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Near Hanson Lake, Mapleton, ME -
 United States of America
|
| Phase: | Landing |
| Nature: | Private |
| Departure airport: | Ashland, ME |
| Presque Isle, ME (KPQI) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
During a cross-country flight at an altitude of about 2,500 feet mean sea level and about 5 nautical miles from the destination airport, the pilot observed a sudden decrease in engine power. After activating the high-power fuel boost pump setting and subsequently switching fuel tanks, the pilot performed a forced landing to a nearby field; the boost pump remained activated for the rest of the flight. During the landing, the airplane collided with trees, resulting in substantial damage to the fuselage and right wing. Fuel normally flows by gravity from each wing’s fuel tank to a three-position selector valve. The selector valve then allows fuel flow from either the left wing tank, the right wing tank, or both tanks simultaneously. A postaccident examination of the airplane revealed no fuel in the right wing tank, 10 to 12 gallons of fuel in the left wing tank, and unobstructed fuel lines from the left wing tank to the fuel selector. A visual engine examination and engine test run with fuel supplied directly to the fuel selector revealed no engine operating anomalies, indicating that the pilot likely had the right fuel tank selected when the engine first lost power. When the pilot attempted to regain engine power, he left the auxiliary fuel pump activated for the rest of the flight, well beyond the 3- to 5-second interval dictated by the airplane’s engine restart procedures, which likely resulted in the engine flooding.
Probable Cause: The pilot’s improper fuel management, which resulted in fuel starvation and a total loss of engine power, and his use of an improper engine restart procedure.
Accident investigation:
 |
|
Sources:
NTSB
FAA register: http://bangordailynews.com/2012/07/23/news/aroostook/pilot-uninjured-when-plane-crashes-in-mapleton/
https://www.faa.gov/data_research/accident_incident/preliminary_data/events01/media/09_5168E.txt
http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=5168E&x=0&y=0
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 23-Jul-2012 21:43 | Geno | Added |
| 21-Dec-2016 19:28 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 27-Nov-2017 20:57 | ASN Update Bot | Updated [Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative] |
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