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| Date: | Friday 31 August 2018 |
| Time: | 13:45 |
| Type: |  Cub Crafters CC11-160 Carbon Cub SS |
| Owner/operator: | Private |
| Registration: | N71BN |
| MSN: | CC11-00107 |
| Year of manufacture: | 2009 |
| Total airframe hrs: | 943 hours |
| Engine model: | Cub Crafters CC340 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Other fatalities: | 0 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Fairfield County, west Lancaster, OH -
 United States of America
|
| Phase: | Landing |
| Nature: | Private |
| Departure airport: | Chapel Hill, NC (5NC5) |
| Lancaster, OH (LHQ) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot reported that while descending from cruise flight to traffic pattern altitude, the airplane's engine began to run rough. He applied carburetor heat which made the roughness worse and when he then turned off carburetor heat, the engine lost all power. The pilot executed a forced landing to a farm field where the airplane nosed over in the high vegetation.
According to a carburetor icing probability chart, the temperature and dew point were in the range of susceptibility for serious carburetor icing at descent power settings. The pilot's report of the accident listed no mechanical malfunctions or failures of the airplane, and a recommendation to apply carburetor heat earlier at the beginning of the descent.
Based on the information available the airplane's engine likely lost power due to accumulation of carburetor ice due to the delayed application of carburetor heat.
Probable Cause: The delayed application of carburetor heat by the pilot which led to accumulation of carburetor ice, eventual loss of engine power, and the subsequent forced landing in high vegetation.
Accident investigation:
 |
|
Sources:
NTSB
FAA register: https://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=71BN
Location
Media:
USA, Fairfield - According to the Lancaster Fire Department, they responded to a Carbon Cub SS aircraft crash near OH-188, right out side of Lancaster in Hocking Township in Fairfield County. The pilot was not injured.https://t.co/UGkvCrEGKN pic.twitter.com/c9c7orod4M
— Planes Of Legend (@PlanesOfLegend) 1 septembre 2018
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 31-Aug-2018 23:49 | Geno | Added |
| 01-Sep-2018 08:23 | Iceman 29 | Updated [Registration, Source, Embed code, Damage, ] |
| 01-Sep-2018 08:36 | Iceman 29 | Updated [Registration, Embed code, ] |
| 01-Sep-2018 08:38 | Iceman 29 | Updated [Time, Aircraft type, ] |
| 10-Sep-2018 15:31 | harro | Updated [Registration, Cn, Operator, Source, ] |
| 10-Sep-2018 15:32 | harro | Updated [Aircraft type, ] |
| 12-Nov-2019 17:50 | ASN Update Bot | Updated [Time, Nature, Departure airport, Destination airport, Source, Narrative, Accident report, ] |
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