NTSB Identification: LAX92LA296.
The docket is stored on NTSB microfiche number 47132.
Accident occurred Friday, July 10, 1992 in SOLEDAD, CA
Probable Cause Approval Date: 09/28/1993
Aircraft: GRUMMAN AA5, registration: N28410
Injuries: 2 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.

AFTER APPROXIMATELY ONE HOUR AND FIFTEEN MINUTES INTO A CROSS COUNTRY FLIGHT THE PILOT OBSERVED THE ENGINE OIL PRESSURE DECREASING. HE ELECTED TO MAKE A PRECAUTIONARY LANDING ON A HIGHWAY. WHEN THE AIRCRAFT TURNED ONTO THE FINAL APPROACH THE ENGINE LOST POWER AND THE AIRCRAFT'S RIGHT WING COLLIDED WITH A TREE. THE AIRCRAFT THEN STRUCK THE ROAD IN A NOSE-DOWN ATTITUDE, COLLAPSING THE NOSE AND LEFT MAIN LANDING GEARS. EXAMINATION OF THE ENGINE FAILED TO DISCLOSE ANY PREEXISTING MALFUNCTIONS OR FAILURES.

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

THE LOSS OF ENGINE POWER FOR UNDETERMINED REASONS AND THE LACK OF SUITABLE TERRAIN FOR A FORCED LANDING.

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