Des Moines flights to Washington D.C. canceled after passenger plane, Army helicopter collision
Two flights from Des Moines to Washington D.C. have been canceled Friday after a passenger plane collided with an Army helicopter late Wednesday night.Video above: Federal investigation underway into ...
Aviation experts have been warning about the risk of a passenger aircraft collision for years
"Our whole air traffic control system has been blinking red, screaming at us that we've got it overloaded," one expert told ...