Helicopters should not be allowed to travel over a four-mile stretch over the Potomac River following the deadly air collision near Washington in January, according to urgent safety

Nearly two months after American Airlines flight 5342 collided with a helicopter, leading to 67 fatalities, the National Transportation Safety Board has provided an update on the investigation.

The National Transportation and Safety Board is recommending helicopters no longer fly along the route when planes are landing on specific runways at DCA.