On November 20 , 1967 , TWA Flight 128 was operated using a Convair 880 ( registration number '' N821TW '' ) . It was the sixth loss of a Convair 880 and at the time the worst accident involving a Convair 880 , and 12th worst airline disaster in the U.S . This accident is currently the second worst involving a Convair 880 , the 38th worst accident in the United States , and the worst in Kentucky state history . The aircraft was the third TWA plane lost in 1967 , the first being TWA Flight 553 and the second , only fourteen days before Flight 128 , TWA Flight 159 , also at Cincinnati
TWA Flight 553
TWA Flight 553
TWA Flight 128