Accident Overview
A pilot operating a banner tow flight from Grand Stand Airport experienced an engine failure while flying near North Myrtle Beach. The flight had been airborne for approximately two and a half hours at an altitude of 500 feet when the engine began running rough. After 45 to 60 seconds, the engine completely lost power. The pilot's attempts to restart the engine were unsuccessful, leading to a ditching in the Atlantic Ocean approximately 125 yards from the coast. Witnesses at the scene recovered the aircraft.
Post-Accident Examination
Following recovery, a post-accident examination of the airplane revealed saltwater throughout the engine and its accessories. The engine was drained of saltwater and subsequently started, after which a functional run was successfully completed.
Weather Conditions
According to carburetor icing charts, the weather conditions at the time were favorable for the formation of carburetor ice. The pilot reported that he did not apply carburetor heat during the flight.