ASN Wikibase Occurrence # 179950
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| Date: | Sunday 27 September 2015 |
| Time: | 09:46 |
| Type: |  Cessna 182G Skylane |
| Owner/operator: | Private |
| Registration: | N3147S |
| MSN: | 18255647 |
| Year of manufacture: | 1964 |
| Total airframe hrs: | 5593 hours |
| Engine model: | Continental O-470R |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Near Glenwood Springs Municipal Airport (KGWS), Glenwood Springs, CO -
 United States of America
|
| Phase: | Take off |
| Nature: | Private |
| Departure airport: | Aspen, CO (ASE) |
| Aspen, CO (ASE) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot performed a preflight inspection of the airplane, listened to a recorded weather report, and departed on a local flight. About 15 minutes into the flight, at an altitude of 9,700 ft above mean sea level, he realized the engine was at full throttle and had no more power to climb. He later reported that the electronic engine monitor indicated he "lost cylinder #2 and #4 was going down." He also stated that the engine did not completely stop producing power, but it was "running very low." The pilot elected to perform a forced landing to an open field. The airplane touched down twice, impacted a ditch, and nosed over. The examination of the airframe and test run of the engine and did not reveal any pre-impact mechanical anomalies.
The local temperature and dew point were plotted on a carburetor icing probability chart, which indicated that conditions were favorable for the formation of carburetor icing at glide and cruise power. Further, review of recorded information from the airplane's engine monitor showed data consistent with a loss of engine power due to carburetor ice. The pilot stated that he did not use carburetor heat during the flight, thus it is likely that the engine lost power due to carburetor ice, which could have been prevented with the application of carburetor heat.
Probable Cause: A loss of engine power during cruise flight due to carburetor icing and the pilot's failure to apply carburetor heat, which resulted in a forced landing on rough/uneven terrain.
Accident investigation:
 |
|
Sources:
NTSB
FAA register: http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=3147S
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 27-Sep-2015 17:27 | Geno | Added |
| 27-Sep-2015 23:04 | Geno | Updated [Time, Aircraft type, Registration, Cn, Operator, Phase, Departure airport, Destination airport, Source, Damage, Narrative] |
| 28-Sep-2015 22:54 | Geno | Updated [Source, Narrative] |
| 29-Sep-2015 07:56 | Geno | Updated [Source, Narrative] |
| 21-Dec-2016 19:30 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 01-Dec-2017 15:26 | ASN Update Bot | Updated [Other fatalities, Nature, Departure airport, Destination airport, Source, Narrative] |
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