NTSB Identification: LAX88LA238.
The docket is stored on NTSB microfiche number 37368.
Accident occurred Wednesday, June 29, 1988 in AGUA CALIENTE, CA
Probable Cause Approval Date: 10/02/1989
Aircraft: CESSNA 414A, registration: N27332
Injuries: 1 Minor.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

DURING A CROSS COUNTRY FLIGHT, THE RIGHT ENGINE BEGAN TO RUN ROUGH. THE PILOT FEATHERED THE PROPELLER AND TURNED TO LAND AT THE AIRPORT. EN ROUTE, THE LEFT ENGINE BEGAN TO RUN ROUGH. UNABLE TO LAND AT THE AIRPORT, A FORCED LANDING WAS MADE ON A ROAD, WHERE, DURING THE LANDING ROLL, THE AIRPLANE STRUCK AN ABANDONED CAR AND COLLIDED WITH THE TERRAIN. INSPECTION OF THE ENGINE REVEALED THAT THE FUEL LINES TO BOTH ENGINES WERE PARTIALLY BLOCKED WITH AN UNKNOWN SUBSTANCE. THE PILOT REPORTED THAT IN THE MONTHS PRIOR TO THE ACCD THE LEFT ENGINE HAD LOST POWER AT LEAST 4-5 TIMES. AFTER EACH OCCURRANCE THE ENGINE HAD BEEN INSPECTED BY A MECHANIC. THE PROBLEMS THAT WERE FOUND RANGED FROM A CLOGGED OIL SEPARATOR TO LOW FUEL PRESSURE THAT WAS CORRECTED BY REPLACEMENT OF VARIOUS HOSES.

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

FUEL SYSTEM,LINE..BLOCKED(PARTIAL)


Contributing Factors

OBJECT..VEHICLE


Contributing Factors

TERRAIN CONDITION..ROUGH/UNEVEN


Contributing Factors

MAINTENANCE,INSPECTION..INADEQUATE..OTHER MAINTENANCE PERSONNEL

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