NTSB Identification: SEA88LA047.
The docket is stored on NTSB microfiche number 35359.
Accident occurred Saturday, February 13, 1988 in STEVENS PASS, WA
Probable Cause Approval Date: 03/30/1989
Aircraft: CESSNA 175, registration: N6642E
Injuries: 1 Minor,2 Uninjured.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

PLANNED FLT WAS VFR TRANSIT OF CASCADE MOUNTAINS IN DAYLIGHT. PLT FILED VFR FLT PLAN; WX BRIEF INDICATED VFR. UNFORESEEN DELAYS RESULTED IN ARRIVAL AT PLANNED MOUNTAIN PASS OVER ONE HOUR LATE AND WX NO LONGER VMC. PLT COULD SEE ALTERNATE PASS TO NORTH APPEARED BETTER AND AMENDED FLT PLAN VIA STEVENS PASS DESPITE FSS ADVISORY OF VNR UNDER CLOUDS THROUGH CASCADES. FLT ARRIVED AT STEVENS PASS AFTER DARK; HOWEVER, LIGHTS FOR NIGHT SKIING ILLUMINATED PASS AND FLT PROCEEDED. AFTER BEGINNING DESCENT ALONG HIGHWAY AFTER PASS TRANSIT, PLT SAID HE ENCOUNTERED IMC AND LOST VISUAL REFERENCE WITH KNOWN HIGH TERRAIN ON BOTH SIDES. PLT INITIATED CLIMB BUT MUSHED INTO TREES ON RISING TERRAIN AHEAD.

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

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

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

IN-FLIGHT WEATHER ADVISORIES..DISREGARDED..PILOT IN COMMAND



Contributing Factors

WEATHER CONDITION..FOG


Contributing Factors

TERRAIN CONDITION..MOUNTAINOUS/HILLY


Contributing Factors

STALL..INADVERTENT..PILOT IN COMMAND


Contributing Factors

LIGHT CONDITION..DARK NIGHT

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