ASN Wikibase Occurrence # 289042
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| Date: | Friday 29 July 2011 |
| Time: | 09:30 LT |
| Type: | Hurley Richard A CAVALIER SA102.5 |
| Owner/operator: | Private |
| Registration: | N115RH |
| MSN: | 81002LF3 |
| Total airframe hrs: | 624 hours |
| Engine model: | Lycoming O-290-D2 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Salem, Iowa -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Oshkosh-Wittman Field, WI (OSH/KOSH) |
| Mount Pleasant Municipal Airport, IA (MPZ/KMPZ) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
About 25 minutes prior to reaching the intended refueling destination, the pilot noticed a drop in engine rpm. The pilot applied carburetor heat, the engine rpm increased, and he turned the carburetor heat off. All other engine instruments and indications appeared normal. During the descent, the engine rpm dropped again, and the pilot attempted to resolve the problem by again applying carburetor heat, changing throttle positions, and switching fuel tanks; however, he was unsuccessful. Unable to maintain altitude, the pilot performed a forced landing to a cornfield. During postaccident examination of the airplane, fuel was noted in the airframe fuel tanks, and mechanical continuity was established throughout the engine. The airplane was operating in conditions conducive to serious carburetor icing at glide power at the time of the accident. It is possible that, when the engine lost partial power during the descent, the carburetor heat was not effective, because the engine was operating at a low power setting and was not producing sufficient heat to melt the ice.
Probable Cause: The partial loss of engine power due to the formation of carburetor ice.
Accident investigation:
 |
|
Sources:
NTSB CEN11LA539
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 05-Oct-2022 09:06 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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