NTSB Identification: LAX89FA081.
The docket is stored on NTSB microfiche number 38152.
Accident occurred Monday, January 09, 1989 in PLEASANTON, CA
Probable Cause Approval Date: 12/10/1990
Aircraft: CESSNA 414, registration: N1672T
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.

DRG ARRIVAL, THE PLT WAS CLRD FOR AN ILS RWY 27R APCH TO THE METRO OAKLAND INTL ARPT. AS SHE BEGAN THE APCH, THE ATC CTLR NOTED THE ACFT HAD DSCNDD THRU 2900 FT MSL. HE PROVIDED A LOW ALT ALERT TO THE PLT & WARNED HER THE ACFT SHOULD BE AT 3300 FT. THE PLT ACKNOWLEDGED BY SAYING 'THANK YOU.' THE ATC CTLR SUGGESTED THE PLT CLIMB TO 3300 FT IMMEDIATELY,THEN HE CANCELED THE CLNC & TOLD THE PLT TO CLIMB IMMEDIATELY TO 3300 FT. SUBSEQUENTLY, THE ACFT CRASHED APRX 15 MI EAST OF THE ARPT. IMPACT OCCURRED WITH A 1500 FT RIDGE AT ABOUT THE 1000 FT LEVEL. NO PREIMPACT PART FAILURE OR MALFUNCTION OF THE ACFT WAS FOUND.

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

FAILURE OF THE PILOT TO PROPERLY FOLLOW THE IFR (INSTRUMENT FLIGHT RULES) PROCEDURES BY NOT MAINTAINING THE MINIMUM DESCENT ALTITUDE FOR THAT SEQMENT OF THE APPROACH. THE WEATHER CONDITIONS AND MOUNTAINOUS TERRAIN WERE CONSIDERED TO BE RELATED FACTORS.

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