NTSB Identification: ERA12LA058
14 CFR Part 91: General Aviation
Accident occurred Tuesday, November 01, 2011 in Pompano Beach, FL
Probable Cause Approval Date: 07/18/2013
Aircraft: CESSNA 172N, registration: N739JN
Injuries: 2 Minor.
NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.
According to the pilot, while the airplane was descending on final approach, the throttle control became unresponsive. Although multiple settings were attempted, the engine remained at idle rpm, and the pilot made a forced landing on a road. The airplane collided with a lightpost and sustained substantial damage to the fuselage. Although initial examination of the engine did not reveal any preimpact mechanical anomalies that would have precluded normal operation, further examination revealed that the throttle cable had separated from its housing/end fitting. As a result, the throttle cable could not actuate the carburetor control, and the engine remained at idle rpm. A review of the airframe and engine logbooks revealed that the throttle cable was not maintained correctly and was never maintained in accordance with the manufacturer’s service manual.
The National Transportation Safety Board determines the probable cause(s) of this accident to be: The separation of the throttle cable from its fitting, which resulted in an inability to control engine power. Contributing to the accident was the inadequate maintenance by the owner. Full narrative available
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