One incident that’s not in the data at this time is the one that happened just 24 hours before the crash near Regan National ...

Another passenger jet had to abandon its landing due to a close call with a military helicopter. Nationwide, the Hearst Television teams found at least 4,200 reports of near-midair collisions ...

Two planes aborted landings at Reagan National Airport in the past week due to military helicopters in their flight path, according to the Washington Post.

There have been a number of close calls around the country in recent years that concerned aviation experts and officials.