Federal investigators looking into the cause of the January collision between a passenger jet and an Army helicopter near Washington, D.C., that killed 67 people recommended a ban on some helicopter flights Tuesday, saying the current setup “poses an intolerable risk.” National Transportation Safety Board Chairwoman Jennifer Homendy laid out frightening statistics about near misses to underscore the danger that has existed for years near Ronald Reagan National Airport and expressed anger that it took a midair collision for it to come to light. https://www.wthr.com/article/news/nation-world/dc-plane-helicopter-collision-ntsb-preliminary-report/507-b2f461ab-22f8-4588-a2ad-c21795296437