Aviation Accident Summaries

Aviation Accident Summary ERA12LA101

Belhaven, NC, USA

Aircraft #1

N2344U

CESSNA 172D

Analysis

The pilot was maneuvering the airplane over a marshy area about 700 feet above ground level. The airplane was in a left turn when the engine experienced a total loss of power. The pilot continued the left turn and made a forced landing, during which the airplane struck a small tree, the nose landing gear separated, and the airplane rotated about 180 degrees. Postaccident examination of the engine assembly revealed no malfunctions or anomalies that would have precluded normal operation. Review of the local weather conditions and the Federal Aviation Administration’s carburetor icing probability chart indicated that conditions were conducive to serious carburetor icing at glide, but not at cruise, power settings. It was not possible to determine what engine power settings the pilot used during the accident flight maneuvers.

Factual Information

On December 4, 2011, at 1600 eastern standard time, a Cessna 172D, N2344U, registered to a private owner, made a forced landing in a neighbor's backyard following loss of engine power, near Belhaven, North Carolina. The airplane was registered to a private owner, and operated as a 14 Code of Federal Regulations Part 91 personal flight. The airplane sustained substantial damage. Visual meteorological conditions prevailed and no flight plan was filed. The certificated private pilot reported no injuries. The flight originated from a private airfield at 1530. The pilot stated he was maneuvering his airplane over a marsh area at 700 feet above ground level in a left turn when the engine experienced a total loss of power. He continued the left turn and made a forced landing. The airplane struck a small tree, separated the nose landing gear, and came to rest 180 degrees from the initial point of impact. Examination of the airplane logbooks revealed the annual inspection was overdue by 3 months. In addition the pilot's flight review was overdue by 4 months. There was no visible damage to the propeller assembly. The crankshaft was rotated through on all cylinders, no internal binding was noted, and the engine appeared to have compression. The carburetor flange was broken and the venturi was in place with no restrictions. The throttle linkage was in place and the magneto switch appeared to be functional. No anomalies were noted with the magnetos and ignition harness. The fuel selector valve was in the both position and fuel was present in both fuel tanks and the gascolator. No water was present in either fuel tank or the gascolator. Review of a carburetor icing chart for an ambient temperature of 64 degrees Fahrenheit and dewpond temperature of 52 degrees Fahrenheit, revealed that the airplane would only be in a serious icing conditions in glide power.

Probable Cause and Findings

A total loss of engine power for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation.

 

Source: NTSB Aviation Accident Database

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