NTSB Identification: LAX87LA059.
The docket is stored on NTSB microfiche number 32963.
Accident occurred Sunday, December 07, 1986 in DAVIS, CA
Probable Cause Approval Date: 03/10/1988
Aircraft: CESSNA 152, registration: N25592
Injuries: 1 Minor,1 Uninjured.

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

A CESSNA 152 NOSED OVER IN A ROUGH PLOWED FIELD AFTER A PARTIAL LOSS OF POWER WHILE ON A NIGHT VFR PLEASURE FLIGHT. THE PILOT INDICATED THAT HE WAS ON A DATE WITH HIS GIRL FRIEND AND OFFERED TO DEMONSTRATE NEGATIVE GRAVITY TO HER. HE SLOWED THE AIRCRAFT AND CLIMBED TO APPROXIMATELY 2,600 FEET MSL. DURING THE RECOVERY FROM THE RESULTING DIVE, THE AIRCRAFT ENGINE BEGAN TO RUN ROUGH AND WOULD PRODUCE ONLY PARTIAL POWER. THE PILOT CHECKED THE MIXTURE CONTROL, THE MAGNETOS, FUEL QUANITY, FUEL VALVE, AND CARBURETOR HEAT. THE ENGINE WOULD ONLY PRODUCE 1,400 RPM AND THE PILOT WAS UNABLE TO MAINTAIN ALTITUDE. THE PILOT EXECUTED A FORCED LANDING TO A ROUGH PLOWED FIELD. THE AIRCRAFT NOSED OVER DURING THE LANDING ROLL. EXAMINATION OF THE AIRCRAFT ENGINE BY AN AIRFRAME AND POWERPLANT REVEALED NO DISCREPANCIES IN THE ENGINE CONTROLS OR AIRCRAFT FUEL SYSTEM.

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

IN-FLIGHT PLANNING/DECISION..INTENTIONAL..PILOT IN COMMAND

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

JUDGMENT..POOR..PILOT IN COMMAND

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

UNSAFE/HAZARDOUS CONDITION..SELECTED..PILOT IN COMMAND


Contributing Factors

ENGINE ASSEMBLY..FAILURE,PARTIAL


Contributing Factors

LIGHT CONDITION..DARK NIGHT


Contributing Factors

TERRAIN CONDITION..ROUGH/UNEVEN


Contributing Factors

AIRCRAFT PERFORMANCE,CLIMB CAPABILITY..LOSS,TOTAL


Contributing Factors

POWERPLANT CONTROLS..NOT POSSIBLE..PILOT IN COMMAND


Contributing Factors

UNSUITABLE TERRAIN OR TAKEOFF/LANDING/TAXI AREA..SELECTED..PILOT IN COMMAND

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