A deadly mid-air crash in Washington, D.C., Wednesday night occurred amid air traffic patterns unique to the area that should not be cause for broader concerns about plane safety, experts say.

MONTREAL — An aviation expert says the mid-air crash in Washington, D.C., Wednesday night is likely the result of unique air traffic patterns in the area and shouldn’t cause wider fears over air safety. John Gradek, who teaches aviation management at McGill University, says the Ronald Reagan Washington National Airport has possibly the busiest runway […]