The National Transportation Safety Board on Tuesday recommended that helicopter traffic be banned from a four-mile stretch over the Potomac River when flights are landing at Ronald Reagan National Airport.

The National Transportation Safety Board shared the preliminary report on the fatal midair collision between an American Airlines plane and a military helicopter near the Ronald Reagan National Airport in Washington,

Helicopters should be barred from a four-mile stretch over the Potomac River when flights are landing on Reagan National Airport’s Runway 33, National Transportation Safety Board Chair Jennifer Homendy said as the NTSB unveiled “urgent safety recommendations” after the deadly mid-air collision in January.

The National Transportation Safety Board on Tuesday released two reports — one on preliminary findings and another on safety recommendations — related to the deadly collision of an Army Black Hawk helicopter and an American Airlines regional jet in January.

The NTSB says the current helicopter routes around the busy airport "pose an intolerable risk to aviation safety" in the wake of January's collision that killed 67 people.

The National Transportation Safety Board is calling for a ban on some helicopter flights near Reagan Airport after an airliner and Army Black Hawk collided in January.

The deadly crash took place in January when a military helicopter collided with a passenger jet, killing 67 people.

Investigators issued their preliminary report Tuesday in the probe into the devastating crash between an American Airlines plane and a U.S. Army Black Hawk helicopter.