The transportation secretary’s decision came after the National Transportation Safety Board cited a long history of near collisions between helicopters and airplanes near the nation’s capital.

The National Transportation Safety Board said the separation between helicopters and jets in the area was insufficient and increased “chances of a midair collision.”

Helicopter traffic should be permanently banned near Ronald Reagan Washington National Airport during certain periods to alleviate congestion and avoid a repeat of the deadly midair collision that occurred there in January,

US air crash investigators have recommended restricting helicopter flights in certain areas near Washington DC's Reagan National Airport following January's deadly mid-air collision. Citing an "intolerable risk to aviation safety",

Transportation Secretary Sean Duffy said the National Transportation Safety Board’s recommendations will be accepted.

U.S. Transportation Secretary Sean Duffy on Tuesday said the agency will make permanent restrictions to prevent helicopters from flying near Washington Reagan National Airport when two lesser-used runways are operational,

There's an "intolerable risk to aviation safety" with helicopters and planes flying too close to one another near DCA.