Accident Summary
Shortly after takeoff, while climbing through approximately 500 feet above the airport, the pilot reported that the engine gradually lost power. Unable to return to the airport for a landing, the pilot performed a ditching of the aircraft.
Post-Recovery Engine Testing
Following the recovery of the aircraft, the magnetos, wiring harnesses, and spark plugs were replaced. After these replacements, the engine was tested and ran with no abnormalities noted.
Environmental Conditions
At the time of departure, the temperature was reported as 78 degrees Fahrenheit and the dewpoint as 69 degrees Fahrenheit. These conditions are conducive to the formation of carburetor ice. The carburetor heat control was found in the off/cold position.
Investigation Findings
The carburetor heat control was found in the off/cold position at the time of the incident. The atmospheric conditions at departure were favorable for carburetor icing.