NTSB Identification: LAX90FA113.
The docket is stored on NTSB microfiche number 42840.
Accident occurred Saturday, March 10, 1990 in MALIBU, CA
Probable Cause Approval Date: 12/14/1992
Aircraft: PIPER PA28-161, registration: N2951S
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 PILOT AND HIS THREE PASSENGERS TOOK OFF ON A FLIGHT UNDER INSTRUMENT FLIGHT RULES AND IN INSTRUMENT METEOROLOGICAL CONDITIONS TO ANOTHER AIRPORT FOR DINNER. AFTER DINNER THE PILOT AND HIS PASSENGERS TOOK OFF ON A NIGHT FLIGHT, UNDER VISUAL FLIGHT RULES, TO RETURN TO THEIR HOME AIRPORT. THE AIRCRAFT INITIALLY CLIMBED TO 2700 FEET MSL THEN BEGAN A SLOW ENROUTE DESCENT. RADAR CONTACT WITH THE AIRCRAFT WAS LOST AS IT DESCENDED THROUGH 1800 FEET MSL WHILE TRACKING OVER THE COAST ON AN EASTERLY HEADING. THE AIRCRAFT IMPACTED A MOUNTAIN, NORTH OF THE COAST LINE, AT AN ELEVATION OF 1600 FEET, WHILE IN LEVEL FLIGHT AND WHILE ON A WESTERLY HEADING.

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

THE PILOT'S DECISION TO TURN INTO AN AREA OF KNOWN HIGH TERRAIN AFTER INADVERTENTLY ENCOUNTERING INSTRUMENT METEOROLOGICAL CONDITIONS.

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