NTSB urges ban on some helicopter flights at Washington airport where 67 people died in midair crash
Federal investigators looking for the cause of the January collision between a passenger jet and an Army helicopter near ...
Ban extended on helicopter route involved in deadly D.C. midair collision after NTSB warns of "serious safety risk"
The NTSB issued its preliminary report on the midair collision between a passenger plane and helicopter over Washington, D.C.
In wake of deadly D.C. helicopter crash, NTSB urges changes to address 'intolerable safety risk'
Current airport flight safety practices create an "intolerable safety risk" that could be eliminated by changing allowed ...
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NTSB Urges FAA To Issue Helo Traffic Ban At Washington Airport
The NTSB is urging the FAA to take steps to ensure helicopter traffic is never permitted to cross arrival and departure paths ...