GRAND ISLAND, NE, USA
N1198Z
AERO COMMANDER 680FL
THE TWIN ENG ACFT CRASHED AND BURNED 4 MILES NORTH OF THE ARPT WHILE ON AN INSTRUMENT APCH. THE PLT HAD TRANSMITTED THAT HE HAD AN ENGINE PROBLEM. THE #5 CYLINDER WAS FOUND DETACHED FROM THE LEFT ENGINE BUT THE LEFT PROPELLER WAS NOT FEATHERED. AN ENGINE TEARDOWN REVEALED EVIDENCE TO INDICATE THE #5 CYLINDER ATTACHMENTS WERE NOT PROPERLY TORQUED. NO PREIMPACT FAILURE COULD BE FOUND WITH THE RIGHT ENGINE. THE RIGHT PROPELLER WAS FOUND IN FEATHERED POSITION.
Source: NTSB Aviation Accident Database
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