NTSB Identification: LAX88LA250.
The docket is stored on NTSB microfiche number 37327.
Accident occurred Saturday, July 09, 1988 in PALO ALTO, CA
Probable Cause Approval Date: 10/02/1989
Aircraft: CESSNA TU206G, registration: N6106U
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 LOCAL FLIGHT, THE PILOT NOTED THAT THE OIL PRESSURE WAS LOW. EN ROUTE TO THE AIRPORT, THE ENGINE QUIT. A FORCED LANDING WAS MADE ON A ROAD WHERE DURING THE LANDING THE AIRPLANE COLLIDED WITH TELEPHONE WIRES AND SUBSEQUENTLY THE TERRAIN. INSPECTION OF THE ENGINE REVEALED THAT THE GOVERNOR IDLER GEAR STUD THAT HOLDS THE IDLER GEAR IN PLACE WAS MISSING. THE GEAR WAS FLOATING FREELY IN A SMALL CAVITY AND WEARING A HOLE THROUGH THE HOUSING ON THE PROPELLER GOVERNOR. METAL WAS FOUND IN THE OIL PAN AND IN THE OIL FILTER. THE ENGINE OVERHAUL WAS COMPLETED 3 OPERATING HOURS PRIOR TO THE ACCIDENT.

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

PROPELLER SYSTEM/ACCESSORIES,GOVERNOR..FAILURE,PARTIAL

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

MAINTENANCE,OVERHAUL..POOR..COMPANY MAINTENANCE PERSONNEL


Contributing Factors

OBJECT..WIRE,TRANSMISSION


Contributing Factors

TERRAIN CONDITION..ROUGH/UNEVEN

Index for Jul1988 | Index of months