The NTSB said that the long-established route followed by helicopters, referred to in the report as Route 4, is fraught with danger. "Existing separation distances between helicopter traffic operating on Route 4 and aircraft landing on runway 33 are insufficient and pose an intolerable risk to aviation safety by increasing the chances of a midair collision,

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 secretary will discuss the NTSB's preliminary report on the January crash at Ronald Reagan Washington National Airport that killed a total of 67 people.

Transportation Secretary Sean Duffy will give remarks Tuesday afternoon providing an update on the probe into the January crash near Reagan Washington National Airport that killed more than 60 people.

Investigators will offer updates Tuesday in the probe into the devastating crash between an American Airlines plane and a U.S. Army Black Hawk helicopter that killed all 67 people on board both aircraft.