NTSB Identification: LAX83FA024
14 CFR Part 91: General Aviation
Accident occurred Saturday, October 30, 1982 in PANOCHE, CA
Probable Cause Approval Date: 10/30/1983
Aircraft: CESSNA 172N, registration: N5223J
Injuries: 3 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.

AT 1615 ON 10/29 THE PLT OBTAINED A FSS WX BRIEFING & FILED A VFR FLT PLAN TO TAFT. THE PLT WAS ADVISED HIS TRIP WOULD BE IN VFR CONDITIONS TO TAFT, BUT THE WX WOULD DETERIORATE TNTO THUNDERSTORMS ALONG HIS ROUTE AS THE EVENING PROGRESSED.THE ACFT ARRIVED IN TAFT AT APPROXIMATELY 1745. THE ACFT TOOK OFF AT APPROXIMATELY 2330 FOR THE RETURN FLT TO SAN JOSE. A WITNESS OBSERVED THE ACFT FLYING ERRATICALLY OVER THE DIABLO MOUNTAIN RANGE & THEY WATCHED THE LIGHTS OF THE ACFT IMPACT THE MOUNTAIN TOP.

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

WEATHER CONDITION..LOW CEILING


Contributing Factors

WEATHER CONDITION..RAIN


Contributing Factors

LIGHT CONDITION..DARK NIGHT


Contributing Factors

TERRAIN CONDITION..HIGH TERRAIN


Contributing Factors

TERRAIN CONDITION..MOUNTAINOUS/HILLY

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