TWA Flight 553
TWA Flight 553 was a domestic flight operated by a McDonnell Douglas DC-9 jet airliner, registration N1063T, for Trans World Airlines on March 9, 1967, between Pittsburgh, Pennsylvania, and Dayton, Ohio. While descending toward Dayton about 29 miles (25 nmi; 47 km) from the airport, the aircraft collided in midair with a Beechcraft Baron, a small, general-aviation airplane, near Urbana, Ohio.