NTSB Identification: SEA84FA071.
The docket is stored on NTSB microfiche number 24512.
Accident occurred Thursday, March 15, 1984 in HUMPHREY, ID
Aircraft: PIPER PA-28RT-201T, registration: N29033
Injuries: 1 Fatal,1 Minor.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

WHILE ON A X-COUNTRY FLT, THE ACFT ENTERED AN AREA OF RISING TERRAIN & BLOWING SNOW & THE PLT INITIATED A TURN TO REVERSE DIRECTION. DURING THE TURN, HE ENCOUNTERED REDUCED VISIBILITY & THE ACFT COLLIDED WITH THE TOP OF A KNOLL ON SNOW COVERED ROLLING TERRAIN. THE ACFT TRAVELED ABOUT 400 FT AFTER IMPACT, SHEDDING THE ENG & WINGS & CAME TO REST ON ITS RIGHT SIDE.

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

IN-FLIGHT PLANNING/DECISION..IMPROPER..PILOT IN COMMAND

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

PROPER ALTITUDE..NOT MAINTAINED..PILOT IN COMMAND

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

VFR FLIGHT INTO IMC..INADVERTENT..PILOT IN COMMAND


Contributing Factors

TERRAIN CONDITION..RISING


Contributing Factors

TERRAIN CONDITION..MOUNTAINOUS/HILLY


Contributing Factors

TERRAIN CONDITION..SNOW COVERED


Contributing Factors

WEATHER CONDITION..HIGH WIND


Contributing Factors

WEATHER CONDITION..SNOW



Contributing Factors

VISUAL/AURAL PERCEPTION..PILOT IN COMMAND

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