FAA bars helicopters, planes from sharing air space over Potomac

(NewsNation) —  Helicopters and airplanes are no longer allowed to share air space over the Potomac River near busy Reagan National Airport, the Federal Aviation Administration announced after a deadly Jan. 29 mid-air collision there killed 67 people.The swath of airspace over the river will be reserved for airplanes, albeit with exceptions, the FAA said in a Temporary Flying Restriction posted Tuesday.If a medical, police, military or presidential helicopter must fly in that spa