NTSB Identification: LAX82FA269
14 CFR Part 91: General Aviation
Accident occurred Tuesday, July 20, 1982 in ORINDA, CA
Probable Cause Approval Date: 07/20/1983
Aircraft: CESSNA 150M, registration: N8288U
Injuries: 1 Minor.

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.

WHILE ENROUTE TO OAKLAND THE PLT REPORTED EXPERIENCING A LOSS OF CLIMBING POWER AT 2,000 FT NEAR THE SAN PABLO RESERVOIR. HE APPLIED CARB HEAT, CHECKED MIXTURE SETTING & PRIMER. HE THEN EXTENDED FULL FLAPS & RETARDED THE THROTTLE JUST PRIOR TO LANDING IN THE RESERVOIR. WITNESSES REPORTED THAT APPROXIMATELY 1 HR BEFORE THE ACCIDENT, THE SAME ACFT WAS OBSERVED GLIDING TOWARDS THE EAST END OF THE SHORE AT ABOUT 400 TO 600 FT ABOVE THE WATER. AS THE ACFT GLIDED OVER TREES AT THE EAST END POWER WAS APPLIED & THE ACFT BEGAN A SHALLOW CLIMB TOWARDS RICHMOND, CA. AT APPROXIMATELY 1830 WITNESSES ONCE AGAIN OBSERVED THE ACFT GLIDING TOWARD THE EAST END OF THE RESERVOIR AT AN ALTITUDE OF APPROXIMATELY 200 FT, ENTER A SHARP 180 DEGREE RIGHT TURN AND LAND IN THE RESERVOIR. EXAMINATION OF THE AIRCRAFT'S ENGINE REVEALED NO PREIMPACT MALFUNCTION OR FAILURE.

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:

BUZZING..INTENTIONAL..PILOT IN COMMAND

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

FUEL SYSTEM,CARBURETOR..ICE

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

CARBURETOR HEAT..IMPROPER USE OF..PILOT IN COMMAND


Contributing Factors

WEATHER CONDITION..CARBURETOR ICING CONDITIONS

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