Accident Narrative
Shortly after takeoff from Buffalo Airport, while in initial climb, the left engine lost power. The aircraft banked left, lost height, then crashed onto several houses located in the residential area of Cheektowaga, about two miles south of the airport. The airplane was destroyed. All three occupants were killed, as well as three people on the ground.
Probable Cause
The official probable cause is engine failure during initial climb. The following factors were reported: inadequate preflight preparation; the pilot failed to follow the approved procedures; improper operation of powerplant and powerplant controls; fuel system issues involving selector valves; exhaust system issues; ignition system issues involving spark plugs; carbon deposit; airframe ice; icing conditions including sleet and freezing rain; snow showers; power loss on the left engine; spark plug fouling; possible slow waste gate open; fuel shut off; and propeller not feathered.