NTSB Identification: LAX83LA285.
The docket is stored on NTSB microfiche number 21667.
Accident occurred Sunday, June 05, 1983 in PORTERVILLE, CA
Aircraft: CESSNA 150F, registration: N828OS
Injuries: 1 Minor,2 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.

THE ACFT NOSED OVER DURING AN OFF ARPT FORCED LANDING AFTER POWER LOSS. THE PILOT STATED THAT THEY WERE IN FLT CRUISE AT3500 FT MSL WHEN THE ENGINE LOST POWER. FULL CARBURETOR HEAT WAS APPLIED AND POWER INCREASED AFTER 5 SECONDS FROM 700 RPM TO 2500 RPM. THE PILOT THEN SET THE CARBURETOR HEAT CONTROL AT 20 PERCENT OF ITS LENGTH PULLED OUT. THE OAT WAS 62 DEGREES F. AFTER ABOUT 20 MINUTES THE ENGINE LOST ALL POWER. THE CARBURETOR HEAT WAS PLACED FULL ON BUT POWER WAS NOT RESTORED. A FORCED LANDING WAS MADE IN A CORN FIELD. AFTER THE ACCIDENT THE ENGINE WAS EXAMINED AND NO DISCREPANCIES OR MALFUNCTIONS NOTED. WHEN THE POWER LOSSES OCCURRED THE ACFT WAS OPERATING IN CONDITIONS WHICH ARE KNOWN TO BE FAVORABLE TO THE FORMATION OF INDUCTION SYSTEM ICING.

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

TERRAIN CONDITION..CROP


Contributing Factors

WEATHER CONDITION..CARBURETOR ICING CONDITIONS


Contributing Factors

TERRAIN CONDITION..SOFT

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