Event Summary
According to the flight instructor, the airplane rotated smoothly during takeoff and began to climb. At an altitude of 80 to 100 feet, he observed a decrease in engine RPM and the airplane felt 'mushy'. He then leveled off to accelerate, but the airplane did not appear to accelerate and began to settle. The pilot made a shallow left turn to avoid a building in the path, and the airplane came to rest in the tops of trees.
Engine Examination
After the accident, the engine was examined by Textron Lycoming and the FAA. A test run of the engine was acceptable and did not reveal any pre-crash discrepancies that would have prevented the engine from producing power.
Weather Conditions
The temperature and dew point were 68 and 45 degrees Fahrenheit, respectively. According to icing probability charts, conditions were favorable for the formation of carburetor ice. However, carburetor ice was not verified.
Additional Details
No other information regarding the aircraft type, registration, operator, location, occupants, injuries, or damage was provided in the source material.