Page:CAB Accident Report, Frontier Airlines Flight 32.pdf/9

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Probable Cause

The Board determines that the probable cause of this accident was the descent below obstructing terrain, for reasons undeterminable, during an instrument approach in adverse weather conditions.

BY THE CIVIL AERONAUTICS BOARD:

/s/ ALAN S. BOYD
Chairman

/s/ ROBERT T. MURPHY
Vice Chairman

/s/ G. JOSEPH MINETTI
Member

/s/ WHITNEY GILLIILAND
Member

CHAN GURNEY, Member, did not take part in the adoption of this report.