March 9 , 1967 , TWA Flight 553 , a McDonnell Douglas DC-9-15 jet airliner operated by Trans World Airlines , en route to Dayton when it collided with a Beechcraft Baron over Urbana , Ohio . Visual flight rules ( VFR ) were in effect at the time of the accident . However , the uncontrolled VFR traffic around Dayton airspace contributed to , also with high rate of descent of the DC-9 prompted , Federal Aviation Administration 's decision to create Terminal Control Areas or TCAs ( either called Class B airspace and Class C airspace ) coordination . All 25 passengers and crew of the DC-9 and the sole occupant of the Beechcraft were killed
TWA Flight 553
TWA Flight 553
Dayton International Airport