NTSB Identification: LAX89FA091.
The docket is stored on NTSB microfiche number 40865.
Accident occurred Thursday, January 05, 1989 in OXNARD, CA
Probable Cause Approval Date: 01/22/1991
Aircraft: CESSNA 172M, registration: N61587
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.

THE PLT LISTENED TO WX RPRTS ON THE RADIO, BUT DIDN'T RCV AN FAA OR NWS BRIEFING. A FRONTAL SYS WAS FORECASTED TO ACROSSHIS RTE OF FLT WITH PRCTNS FOR MULTIPLE CLOUD LAYERS, LOW CEILINGS, RESTRICTED VIS, ICING & RAIN SHOWERS. THE PLT TOLD A FRIEND, WHO DROVE HIM TO THE ARPT, THAT HE COULD 'FLY UNDER THE HEAVY CLOUDS' THAT THEY OBSERVED TO THE SOUTH. THE ACFT DEPD WATSONVILLE AT ABT 1450 PST, BUT DIDN'T ARRIVE AT THE DESTN (SANTA MONICA); 15 DAYS LTR, IT WAS FND ON ANACOPAISLAND (14 MI WEST OF OXNARD), WHERE IT IMPACTED A 1112' RIDGE AT ABT THE 440' LVL. RADAR DATA SHOWED A PROBABLE TRACK LEADING TWD THE ACDNT SITE, BUT IT HAD DISAPPEARED ABT 22 MI NW OF THE CRASH SITE, AFTER THE ACFT HAD FLOWN WEST OF A MORE DIRECT RTE (OVER OCEAN WATER). A HELICOPTER PLT, WHO WAS IN THE VCTNY AT THE TIME, RPRTD A 500' BROKEN TO OVERCAST SKY COND WITH LESS THAN 2 MI VIS & MOD RAIN SHOWERS. THE ACDNT WAS ESTIMATED TO HAVE OCCURRED AT ABT DUSK. NO PREIMPACT PART FAILURE/MALFUNCTION OF THE ACFT OR ENG WAS FND.

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

CONTINUED VFR FLIGHT BY THE PILOT INTO INSTRUMENT METEORLOGICAL CONDITIONS WHICH RESULTED IN AN IN-FLIGHT COLLSION WITH TERRAIN. RELATED FACTORS WERE: FAILURE OF THE PILOT TO USE A PREFLIGHT BRIEFING SERVICE, HIS DECISION TO INITIATE FLIGHT INTO KNOWN ADVERSE WEATHER, THE ADVERSE WEATHER CONDITIONS, THE PILOT'S VISUAL PERCEPTION AT DUSK, AND THE RISING/MOUNTAINOUS TERRAIN.

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