NTSB Identification: SEA88FA031.
The docket is stored on NTSB microfiche number 35250.
Accident occurred Tuesday, December 15, 1987 in LAKEPORT, CA
Probable Cause Approval Date: 05/16/1989
Aircraft: PIPER PA-32R-300, registration: N400LA
Injuries: 1 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.

ALTHOUGH WEATHER CONDITIONS WERE MARGINALLY VFR AT HIS DEPARTURE POINT, AND THE PILOT HAD ACCESS TO A VEHICLE WHICH COULD HAVE BEEN USED TO DRIVE TO HIS DEST, HE DEPARTED NOVATO, CA, ENROUTE TO LAKEPORT, CA, WITHOUT OBTAINING A WX BRIEFING NOR FILING A FLT PLAN. SHORTLY AFT DEPARTURE AND AGAIN NEARING HIS DEST HE RECEIVED INFLT WX INFO FM UKIAH FSS AND ACKNOWLEDGED THE REPORTED BAD WX IN THE VIC OF HIS ROUTE OF FLT. A WITNESS NEAR THE ACCD SITE REPORTED SNOW, STRONG WINDS, LOW CEILINGS, AND WORSENING CONDITIONS AT THE TIME OF THE ACCD. THE ACFT COLLIDED WITH A SHALLOW RIDGE IN LOW MOUNTAINOUS TERRAIN WHILE IN AN UPRIGHT, SLIGHTLY DESCENDING RIGHT WING DOWN ATTITUDE. THE ELEVATION OF THE GROUND IMPACT SITE WAS APPROXIMATELY 2450 FEET AND THE CLOUD BASES WERE REPORTED AT UKIAH AS APPROXIMATELY 2600 FEET MSL NEAR THE TIME OF THE ACCD.

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

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


Contributing Factors

TERRAIN CONDITION..MOUNTAINOUS/HILLY


Contributing Factors

WEATHER CONDITION..CLOUDS


Contributing Factors

WEATHER CONDITION..OBSCURATION


Contributing Factors

WEATHER CONDITION..SNOW

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