ROWLAND, NC, USA
N4386J
PIPER PA-28-140
AFTER A NORMAL PRE FLIGHT INSPECTION, ENGINE START, ENGINE RUN UP, AND TAKE OFF FROM RUNWAY 4 THE ENGINE BEGAN TO LOSE RPM, SLOWLY. THE PILOT REPORTED THAT THERE WERE NO MECHANICAL MALFUNCTIONS, THE ENGINE OIL AND FUEL PRESSURE WAS NORMAL, AND THE FUEL PUMP WAS ON. THE OWNER'S HANDBOOK FOR THE AIRPLANE EMPHASIZES ENSURING THAT CARBURETOR ICE HAS NOT BUILT UP DURING THE TAXI FOR TAKE OFF. ICING PROBABILITY CHARTS INDICATE THAT THE ICING PROBABILITY AT GLIDE POWER WAS SERIOUS. THE TEMPERATURE WAS 80 DEGREES, DEW POINT WAS 68 DEGREES, AND THE RELATIVE HUMIDITY WAS ABOUT 68%.
THE PILOT'S FAILURE TO RECOGNIZE AND PREVENT CARBURETOR ICING PRIOR TO TAKE OFF.
Source: NTSB Aviation Accident Database
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