The hearings were held as a response to the deadly mid-air collision near Reagan National Airport.

But one thing has been clear for decades: America’s air ... control towers in both Canada and the United States. The Canadians sat in front of sleek computer screens that instantly handled tasks like ...

But one thing has been clear for decades: America’s air-traffic control system ... The Americans were still using pieces of paper called flight strips. After a plane took off, the controller ...