When was the airliner involved in the crash if TWA Flight 553 last delivered?
TWA Flight 553 Trans World Airlines (TWA) Flight 553 was a McDonnell Douglas DC-9-15 jet airliner, registration N1063T, operated by Trans World Airlines in American airspace en route from Pittsburgh to Dayton. While descending toward Dayton about 29 miles from the airport, the flight collided in midair with a Beechcraft Baron (a small general-aviation airplane) near Urbana, Ohio, on March 9, 1967. All 25 people on board the DC-9 were killed, as was the pilot of the Beechcraft, its sole occupant.
Pan Am Flight 845/26 Pan Am Flight 845/26 was a four-engined Boeing 377 Stratocruiser named "Clipper United States" and registered as "N1032V". It departed Portland International Airport in Oregon on a flight to Honolulu International Airport in Hawaii on March 26, 1955. The aircraft was en route and about 35 mi off the Oregon coast when at 11:12 Pacific Standard Time the No. 3 engine and propeller tore loose from the wing causing a loss of control. The aircraft was ditched.