NTSB Identification: IAD05LA101.
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Accident occurred Monday, July 11, 2005 in Cadiz, OH
Probable Cause Approval Date: 05/30/2006
Aircraft: Aeronca 65CA, registration: N36806
Injuries: 1 Uninjured.
NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.
The airplane was in cruise flight, at 2,100 rpm, when engine power decreased, and the maximum attained was 1,400 rpm. The pilot applied carburetor heat, and turned back toward an open area "less than a mile back." The pilot completed the forced landing; however, during the rollout, the airplane went down an unanticipated hill, and the landing gear collapsed. The on-scene examination was limited to a damage assessment, as well as confirming that fuel and oil were present. The airplane was subsequently moved to the pilot's hangar, and after the insurance company took possession, there was no further examination. Weather, reported at an airport about 35 nautical miles to the east, indicated a probability of serious carburetor icing at glide power. FAA-P-8740-24, Tips on Winter Flying, noted that carburetor ice could manifest itself by a loss of rpm in fixed pitch airplanes. The response would have been to apply full carburetor heat; however, the engine could run roughly for a short time while the ice melted. In addition, light carburetor icing over a prolonged period of time could become serious.
The National Transportation Safety Board determines the probable cause(s) of this accident to be: Carburetor icing, which resulted in a partial loss of engine power. A factor was an unanticipated hill in the forced landing rollout area. Full narrative available
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