NTSB Identification: LAX83FA414
14 CFR Part 91: General Aviation
Accident occurred Tuesday, December 07, 1982 in TAHOE CITY, CA
Probable Cause Approval Date: 12/07/1983
Aircraft: PIPER PA-28-140, registration: N5468T
Injuries: 2 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 OWNER, A STUDENT PLT, & AN ATP PLT DEPARTED OLYMPIA, WA AT APRX 1111 PST ON A FLT TO THE LAKE TAHOE/RENO AREA. WHEN THE ACFT DID NOT ARRIVE, A SEARCH WAS MADE UNTIL 12/22/82. ON 8/28/83, THE ACFT WAS FOUND WHERE IT CRASHED ON RISING TERRAIN (50 DEG SLOPE) AT AN ELEVATION OF APRX 7600 FT (ABOUT 600 FT BLO THE TOP OF THE MTN). IT IMPACTED IN A CLEARING SURROUNDED BY PINE TREES & CAME TO REST INVERTED WITH THE LEFT WING PARTIALLY SEPARATED, REARWARD. A MEMBER OF THE SEARCH TEAM REMEMBERED SNOW, 13 TO 25 FT DEEP, IN THAT AREA & RECALLED THE "THE WX WAS MARGINAL THAT WHOLE WEEK." AN NTSB WX SUMMARY REPORTED A PROBABLE OVERCAST WITH BASES AT APRX 8000 FT MSL; VIS 3+ BLO THE CLDS, BUT IN THE CLDS, ZERO VIS & MOD ICG FROM 5000 TO 13000 FT MSL; BLO 10000 FT MSL, MOD TURBC & UP/DOWNDRAFTS. THE ENG HAD EXTENSIVE IMPACT DMG, BUT LITTLE OR NO DMG WAS FOUND ON THE PROP SPINNER OR LEADING EDGE OF THE PROP BLADES. THE THROTTLE, MIXTURE & CARB HEATWERE FOUND FULL OPEN, RICH & ON, RESPECTIVELY. NO FUEL WAS FOUND IN THE INVERTED FUEL TANKS. FLAP SYS FOUND IN UP PSN.

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

PREFLIGHT PLANNING/PREPARATION..INADEQUATE..PILOT IN COMMAND

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..HIGH TERRAIN


Contributing Factors

WEATHER CONDITION..CLOUDS


Contributing Factors

WEATHER CONDITION..LOW CEILING


Contributing Factors

WEATHER CONDITION..TURBULENCE



Contributing Factors

TERRAIN CONDITION..MOUNTAINOUS/HILLY


Contributing Factors

TERRAIN CONDITION..RISING

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