In the three years before the deadly collision between an Army helicopter and an American Airlines flight near Reagan National Airport, at least two other pilots reported near-misses with helicopters while landing at the airport,

Family members visited the scene of the crash between an Army Black Hawk helicopter and an American Airlines passenger jet that killed 67 people. NBC News' Aaron Gilchrist reports.

The Federal Aviation Administration is indefinitely reducing flights into Reagan National Airport from 28 to 26 arrivals an hour to address safety concerns after the deadly crash there last week, according to two individuals with knowledge of the decision who spoke on the condition of anonymity because they were not authorized to speak to the media.

Officials want to permanently keep helicopters away from commercial jets taking off and landing at a busy Washington, D.C., airport after the deadliest U.S. aviation accident in more than two decades.

Ronald Reagan Washington National Airport reopened two runways following the Jan. 29 American Airlines flight and helicopter collision that killed 67 people. “Runways 4/22 and 15/33 at Reagan Washington National Airport (DCA) have reopened and we have increased the hourly arrival rate to 28 aircraft,