NTSB Identification: ATL91LA081.
The docket is stored on NTSB microfiche number 43068.
Accident occurred Saturday, April 13, 1991 in WHITEVILLE, NC
Probable Cause Approval Date: 03/31/1993
Aircraft: CESSNA 150F, registration: N7919F
Injuries: 1 Serious.

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 STUDENT PILOT PLANNED TO FLY OVER HIS GRANDMOTHER'S FARM. HE HAD MADE ABOUT THREE CIRCLES AROUND HER HOUSE WHEN THE ENGINE BEGAN 'SPUTTERING.' HE ADJUSTED THE THROTTLE AND THE ENGINE QUIT. THE AIRPLANE STRUCK TREES DURING A FORCED LANDING. AN EXAMINATION OF THE AIRPLANE AFTER THE FLIGHT REVEALED THAT THE CARBURETOR HEAT KNOB WAS IN THE OFF POSITION. AN ENGINE RUN REVEALED NO EVIDENCE OF MECHANICAL MALFUNCTION OR FAILURE. THE TEMPERATURE/DEW POINT SPREAD AT THE TIME WAS 70/55 DEG, WHICH REPRESENTS CONDITIONS FAVORABLE FOR CARBURETOR ICING.

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

CARBURETOR ICE DUE TO THE PILOT'S FAILURE TO USE CARBURETOR HEAT.

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