Aviation Accident Summary SEA91LA031

BOZEMAN, MT, USA

Aircraft #1

N9159B

BEECH 3NM

Analysis

A BEECH 3NM SUSTAINED SUBSTANTIAL DAMAGE WHEN THE RIGHT ENGINE MASTER ROD FAILED AND THE CRANKSHAFT SEIZED. THE PROPELLER SEPARATED AND STRUCK THE NOSE OF THE AIRPLANE, DOING STRUCTURAL DAMAGE AND SHEARING OFF A NOSE FUEL TANK. THE PILOT RETURNED SAFELY TO HIS DEPARTURE POINT.

Probable Cause and Findings

THE FAILURE OF THE RIGHT ENGINE MASTER ROD.

 

Source: NTSB Aviation Accident Database

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