The Federal Aviation Administration has imposed permanent restrictions on non-essential helicopter operations around the Washington, D.C., airport where an Army chopper collided with a commercial jet

Non-essential helicopter flights will be restricted in the airspace around Ronald Reagan Washington National Airport, and mixed helicopter and fixed-wing traffic will be nixed going forward.

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.