NTSB Identification: LAX87FA121.
The docket is stored on NTSB microfiche number 36391.
Accident occurred Monday, February 23, 1987 in ANZA, CA
Probable Cause Approval Date: 06/16/1989
Aircraft: BEECH F33A, registration: N59AB
Injuries: 4 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 NON-INSTRUMENT RATED PLT & 3 PAX PLANNED A PLEASURE FLT TO MX. THE WEATHER WAS BELOW VFR MINIMUMS HOWEVER THE PLT ELECTED TO ATTEMPT THE FLT. SEVERAL MINUTES AFTER DEPARTURE THE ACFT WAS OBSERVED TO ENTER AN AREA WHERE IT WAS SNOWING, THE CLOUD BASE WAS ESTIMATED AT 200 FEET AGL, & THE VISIBILITY VARIED FROM 50 FT TO 1 MILE. A WITNESS OBSERVED AN ACFT FLYING BELOW THE CLOUDS IN A STEEP LEFT BANK. THE ACFT SUDDENLY ROLLED RIGHT, PITCHED UPWARDS (ABT 30 DEGREES) AND FLEW INTO THE CLOUDS. ANOTHER WITNESS, LOCATED IN HIS HOUSE ABT 150 FT SOUTH OF THE ACC SITE, HEARD A SOUND LIKE AN ACFT ENG IN A POWER DIVE. HE THEN HEARD A LOUD DULL THUD AND LOOKED OUTSIDE AND SAW THE ACFT IN HIS APPLE ORCHARD. EXAM OF THE ACFT & ENG DID NOT REVEAL ANY PREIMPACT FAILURES OR MALFUNCTIONS.

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

FLIGHT CONTROLS..IMPROPER USE OF..PILOT IN COMMAND

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

SPATIAL DISORIENTATION..PILOT IN COMMAND

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

FLIGHT INTO KNOWN ADVERSE WEATHER..ATTEMPTED..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

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

WEATHER FORECAST..DISREGARDED..PILOT IN COMMAND


Contributing Factors

WEATHER CONDITION..LOW CEILING


Contributing Factors

WEATHER CONDITION..RAIN


Contributing Factors

WEATHER CONDITION..SNOW


Contributing Factors

OVERCONFIDENCE IN PERSONAL ABILITY..PILOT IN COMMAND


Contributing Factors

SELF-INDUCED PRESSURE..PILOT IN COMMAND

Index for Feb1987 | Index of months