Flying Blind: The Chaotic, Deadly Era Before Someone Finally Started Watching the Skies
In commercial aviation's early decades, thousands of aircraft shared American skies with no centralized system tracking any of them. Pilots navigated by guesswork, landmarks, and radio beacons that barely worked — and the results were catastrophic. The story of how air traffic control was built is really the story of how many people had to die before anyone took the problem seriously.