Nov. 2, Ridgefield, Conn. / Cessna 172

At about 19:00 eastern time, a Cessna 172N crashed and burned after takeoff from Danbury Municipal Airport. The pilot suffered minor injuries. The pilot said the fuel tanks were full and free from contamination. She said she started the engine with the fuel selector positioned to the left wing fuel tank and switched to the right wing fuel tank just prior to taxi. She performed an engine run-up which included a check of the carburetor heat system and then taxied to runway 26. After the run-up she switched the fuel selector to the both position. When the airplane was about 450 feet agl the engine ran rough and lost power. The airplane descended into treetops and came to rest about 12 to 15 feet above the ground, then fell and burned.