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

The US Federal Aviation Administration detailed a series of restrictions on helicopter traffic near Ronald Reagan Washington National Airport following a deadly midair collision in January.

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.

Helicopters will be permanently restricted from flying near Washington, D.C.'s airport on the same route where a passenger jet and an Army helicopter collided in midair, killing 67 people, the Federal Aviation Administration said Friday.