A regional jet carrying 64 people collided with an Army Black Hawk helicopter carrying three soldiers. Here's what we know about the incident so far.

Airlines for America calls on the Federal Aviation Administration to permanently suspend some helicopter routes near the airport with limited exceptions for essential military or medical emergencies.

A group representing U.S. airlines plans to urge federal aviation officials to permanently reduce helicopter traffic around Reagan National Airport outside Washington, D.C., following a January collision by an Army Black Hawk into an American Airlines regional jet that killed 67 people.