NTSB, Potomac River

The NTSB issued its preliminary report on the midair collision between a passenger plane and helicopter over Washington, D.C.
The National Transportation Safety Board on Tuesday recommended that helicopter traffic be banned from a four-mile stretch ...
The National Transportation Safety Board issued urgent safety recommendations Tuesday, warning that helicopter flights near ...
The transportation secretary’s decision came after the National Transportation Safety Board cited a long history of near ...
The National Transportation Safety Board (NTSB) on Tuesday issued two “urgent” safety recommendations after discovering ...