DURING A STRAIGHT-IN APPROACH TO RUNWAY 35, THE AIRCRAFT TOUCHED DOWN SHORT OF THE THRESHOLD. IT DECELERATED RAPIDLY IN DEEP PACKED SNOW, SLID OVER A SNOW BANK, AND CAME TO REST ON THE PAVED RUNWAY. THE NOSEWHEEL COLLAPSED AND THE PILOT SUFFERED SERIOUS HEAD INJURIES. NO SHOULDER HARNESSES WERE INSTALLED, BUT THEY WERE NOT REQUIRED ON THIS 1964 AIRCRAFT. THE PILOT BELIEVED HE ENCOUNTERED A WINDSHEAR ON FINAL APPROACH. HE ESTIMATED THAT THE WIND WAS FROM THE NORTHWEST AT 15 GUSTING 25 KNOTS. THE PASSENGER, A CURRENT FLIGHT INSTRUCTOR, STATED THAT THE STALL WARNING DEVICE SOUNDED TWO TIMES DURING THE APPROACH. THE PASSENGER BELIEVED THAT THE WIND GUSTS CAUSED THE WARNING DEVICE TO ACTIVATE.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

Contributing Factors

WEATHER CONDITION..HIGH WIND

Contributing Factors

WEATHER CONDITION..GUSTS

Contributing Factors

MISC EQPT/FURNISHINGS,SHOULDER HARNESS..OTHER

Contributing Factors

TERRAIN CONDITION..SNOW COVERED

Contributing Factors

TERRAIN CONDITION..SNOWBANK

Contributing Factors

LANDING GEAR,NOSE GEAR..OVERLOAD

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