Page:CAB Accident Report, Boeing Test Flight Crash on 19 October 1959.pdf/9

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Probable Cause

The Board determines that the probable cause of this accident Was the structural failures induced during an improper recovery attempt from a Dutch Roll which exceeded the angle-of-bank limits prescribed by the company.

BY THE CIVIL AERONAUTICS BOARD

/s/ WHITNEY GILLILLAND Chairman

/s/ CHAN GURNEY Vice Chairman

/s/ G. JOSEPH MINETTI Member

/s/ ALAN S. BOYD Member