Prior to the World Trade Center attacks, where did the deadliest plane crash in the U.S. occur?

The deadliest plane crash in U.S. history prior to the World Trade Center attacks occurred at O'Hare International Airport in Chicago. This tragic event took place on May 25, 1979, involving the collision of a McDonnell Douglas DC-10 and a Boeing 727 during takeoff. The aftermath resulted in the loss of 273 lives, making it the worst aviation disaster on American soil until the events of September 11, 2001. This incident highlighted several safety issues related to air traffic control and aircraft design, leading to significant changes in aviation protocols and regulations. Understanding this catastrophe is crucial, as it remains a reference point in discussions about aviation safety and emergency response training for firefighters and first responders.