THE ACFT COLLIDED WITH THE GROUND IN A NEAR VERTICAL DIVE. PRIOR TO THE ACCIDENT, WITNESSES HEARD THE ENG AT HI POWER UNTIL MOMENTS BEFORE IMPACT. THEY REPORTED THE WX WAS CLOUDY & COOL WITH LIGHT RAIN BEGINNING TO FALL, MIXED WITH SNOW. THEY REPORTED THE CLOUD BASES WERE VARIABLE WITH AREAS OF LOW CEILINGS & VISIBILITIES. ABOUT 11 MI NORTHWEST AT WILLOW, AK, THE 1050 AST WX WAS IN PART: 12,000 FT BROKEN, VISIBILITY 50 MI, WIND 310 DEG AT 6 KTS, TEMP 38 DEG. THE FREEZING LEVEL WAS FORCASTED TO BE AT 12,000 FT. LIGHT TO OCCASIONAL MODERATE RIME ICE WAS EXPECTED IN CLOUDS & PRECIPITATION ABOVE THAT ALT. MODERATE TURBULENCE WAS FORCASTED BELOW 5000 FT NEAR ROUGH TERRAIN. THE PLT HAD ONLY FLOWN THIS ACFT ABOUT 15 HRS & HAD NO RECENT INSTRUMENT FLT TIME. ALSO, HE HAD LOGGED NO KNOWN FLT TIME DURING THE PREVIOUS 3 MOS. THE PLT WAS PREVIOUSLY TREATED FOR HI BLOOD PRESSURE; HOWEVER, ITS RELATIONSHIP WITH THE ACCIDENT COULD NOT BE DETERMINED. NO PREIMPACT MECHANICAL DISCREPANCIES WERE NOTED.

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..CLOUDS

Contributing Factors

WEATHER CONDITION..TURBULENCE

Contributing Factors

WEATHER CONDITION..RAIN

Contributing Factors

WEATHER CONDITION..SNOW

Contributing Factors

WEATHER CONDITION..ICING CONDITIONS

Contributing Factors

LACK OF RECENT EXPERIENCE..PILOT IN COMMAND

Contributing Factors

LACK OF RECENT INSTRUMENT TIME..PILOT IN COMMAND

Index for Apr1984 | Index of months