NTSB Identification: SEA83FA131.
The docket is stored on NTSB microfiche number 21180.
Accident occurred Sunday, June 19, 1983 in GLACIER PEAK, WA
Aircraft: PIPER PA-32-300, registration: N4013R
Injuries: 5 Fatal.

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.

THE ACFT COLLIDED WITH A SIDE OF GLACIER PEAK AT ABOUT 10000 FT MSL WHILE IN LEVEL FLT. THE EXACT WEATHER CONDITIONS AT THE ACCIDENT SITE AT THE TIME OF THE ACCIDENT ARE UNKNOWN BUT SEVERAL MOUNTAIN CLIMBERS AT 6000 FT ABOUT 2 MILES AWAY ATABOUT THE SAME TIME DESCRIBE THE WEATHER AS SKY OBSCURED, VISIBILITY 50 FT IN LIGHT TO MODERATE WET SNOW, NO WIND. TEMPERATURE +38 DEGREES F. THE FLT WAS ENROUTE FROM ALDERWOOD MANOR TO THE PILOTS PRIVATE AIRSTRIP NEAR SPOKANE, WA. A WITNESS WHO HAD FLOWN THE ROUTE WITH THE PLT SEVERAL TIMES SAID THAT THE FLT NORMALLY PASSED SOUTH OF GLACIER PEAK AT ABOUT 10000-11000 FT. HE SAID THAT THE PILOT USED NAV AIDS ALONG THE ROUTE AND WOULD FLY IN CLOUDS IF THE WEATHER DICTATED IT. THE PILOT DID NOT NORMALLY TALK WITH ANYONE ON THE RADIO DURING FLT IN THE CLOUDS. HE DID HOWEVER ALWAYS GET A WEATHER BRIEFING. IT IS NOT KNOWN WHICH IF ANY NAV AIDS THE PLT USED DURING THE ACCIDENT FLT. THERE IS NO KNOWN RECORD OF COMMUNICATIONS BETWEEN THE ACFT AND ANY RADIO FACILITY.

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

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

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

OVERCONFIDENCE IN PERSONAL ABILITY..PILOT IN COMMAND


Contributing Factors

TERRAIN CONDITION..HIGH TERRAIN


Contributing Factors

WEATHER CONDITION..OBSCURATION


Contributing Factors

WEATHER CONDITION..FOG


Contributing Factors

WEATHER CONDITION..OBSCURATION


Contributing Factors

WEATHER CONDITION..SNOW

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