NTSB Identification: CHI83LA070.
The docket is stored on NTSB microfiche number 19704.
Accident occurred Sunday, January 02, 1983 in GREENBURG, IN
Aircraft: CESSNA 172, registration: N7230G
Injuries: 3 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 PILOT REPORTED THAT THE ENGINE RPM BEGAN DROPPING WHILE HE WAS CRUSING AT 2500 FT. WHEN CARBURETOR HEAT WAS APPLIED, THE ENGINE STOPPED RUNNING. THE PILOT WAS ABLE TO RESTART THE ENGINE AND GET IT TO 1200 PRM, BUT IT STOPPED AGAIN. A FORCED LANDING WAS MADE IN A SOFT FIELD WHERE THE PLANE NOSED OVER. AN INSPECTION AND OPERATIONAL CHECK OF THE ENGINE REVEALED NO PRECRASH, MECHANICAL MALFUNCTION OR FAILURE. THE TEMPERATURE AND DEW POINT WERE 34 AND 24 DEGREES, RESPECTIVELY. ACCORDING TO ICING PROBABILITY CHARTS, ICING COULD OCCUR IN IN FLOAT TYPE CARBURETORS IN CRUISE FLIGHT AT THOSE TEMPERATURES.
The National Transportation Safety Board determines the probable cause(s) of this accident to be:CARBURETOR HEAT..IMPROPER USE OF..PILOT IN COMMAND
The National Transportation Safety Board determines the probable cause(s) of this accident to be:FUEL SYSTEM,CARBURETOR..ICE
WEATHER CONDITION..CARBURETOR ICING CONDITIONS
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