The FAA is permanently closing one key route and evaluating alternative helicopter routes after the National Transportation Safety Board this week made two urgent safety recommendations following the Jan. 29 mid-air collision of an American Airlines regional jet and an Army helicopter that killed 67 people.

The Federal Aviation Administration says helicopters will be permanently banned from flying near Washington, D.C.’s airport on the route where an airliner and an Army helicopter collided in midair.

The Federal Aviation Administration (FAA) has announced the permanent closure of a helicopter route near Washington DC's airport where a fatal midair collision involving a passenger jet and an Army helicopter resulted in the tragic deaths of 67 people.