ASN Wikibase Occurrence # 147383
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| Date: | Friday 3 August 2012 |
| Time: | 09:19 |
| Type: |  Weatherly 620B |
| Owner/operator: | Farmers Aviation Inc |
| Registration: | N2008S |
| MSN: | 1559 |
| Total airframe hrs: | 3353 hours |
| Engine model: | P&W R-985 SERIES |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Finney County, 15 miles south of Scott City, KS -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Agricultural |
| Departure airport: | Holcomb, KS (PVT) |
| Holcomb, KS (PVT) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot noted that the engine rpm during the takeoff was about 30 rpm lower than normal but was still within the normal operating range. He reported that the airplane's engine then lost partial power as it climbed through about 50 feet above ground level after takeoff. After the airplane lost power, the pilot attempted to drop the chemical load to remain airborne; however, the airplane impacted an open field about 1 mile from the departure airstrip. Subsequent examinations of the airplane’s engine and its systems did not reveal any anomalies that would explain the loss of engine power. The weather conditions at the time of the accident were conducive to carburetor icing at glide and cruise power and were within the range of susceptibility for serious icing at glide power. Glide power settings yield a throttle angle similar to low power settings used for taxi operations; therefore, it is likely that the airplane’s carburetor accumulated ice after engine run-up and during taxi, which was not detected by the pilot. The pilot did not mention using carburetor heat during the pretakeoff engine run-up or during the power loss event; thus, based on the available information, it is likely that the airplane's engine lost power due to carburetor icing.
Probable Cause: The pilot's failure to use carburetor heat while operating in conditions conducive to carburetor icing, which resulted in a partial loss of engine power shortly after takeoff.
Accident investigation:
 |
|
Sources:
NTSB
FAA register: http://web.archive.org/web/20120804160630/http://www.kake.com:80/home/headlines/Pilot-Hurt-In-Western-Kansas-Plane-Crash-164888266.html
https://www.faa.gov/data_research/accident_incident/preliminary_data/events01/media/03_2008S.txt
http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=2008S
[LINK NOT WORKING ANYMORE:http://www.gctelegram.com/news/plane-crash-brief-8412]
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 03-Aug-2012 10:09 | Geno | Added |
| 03-Aug-2012 13:03 | gerard57 | Updated [Damage] |
| 06-Aug-2012 10:17 | Geno | Updated [Aircraft type, Registration, Cn, Operator, Source, Narrative] |
| 07-Aug-2012 15:09 | Geno | Updated [Time, Source] |
| 21-Dec-2016 19:28 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 28-Nov-2017 13:17 | ASN Update Bot | Updated [Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative] |
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