The report explains the in-flight loss of propeller blade and subsequent crash of an MU-2B-60 airplane, operated by the South Dakota Department of Transportation, while the flightcrew was attempting an approach to an emergency landing at Dubuque Regional Airport, Dubuque, Iowa, on April 19, 1993. The National Transportation Safety Board determines that the probable cause of the accident was the fatigue cracking and fracture of the propeller hub arm. The safety issues in the report include the propeller hub design, certification and continuing airworthiness, and air traffic control training. Safety recommendations concerning these issues were addressed to the Federal Aviation Administration.


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    Title :

    National Transportation Safety Board Aircraft Accident Report: In-Flight Loss of Propeller Blade and Uncontrolled Collision with Terrain, Mitsubishi MU-2B-60, N86SD, Zwingle, Iowa, April 19, 1993


    Publication date :

    1993


    Size :

    136 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English