N2670U
CESSNA 172D
AT ABOUT 4500 FT MSL, THE PILOT REDUCED THE THOTTLE SETTING TO IDLE FOR AN EXTENDED DESCENT, AND DID NOT APPLY SUFFICIENT CARBURETOR HEAT. THE ENGINE LOST POWER ABOUT 3 MIN LATER, AND THE PILOT DITCHED THE AIRPLANE SHORT OF THE AIRPORT. THE CONDITIONS WERE CONDUCIVE TO THE FORMATION OF CARBURETOR ICE.
IMPROPER USE OF CARBURETOR HEAT BY THE PILOT, WHICH RESULTED IN CARBURETOR ICE. THE WEATHER (CARBURETOR ICING CONDITION) WAS A RELATED FACTOR.
Source: NTSB Aviation Accident Database
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