While landing at Ronald Reagan Washington National Airport in Washington, D.C., on Wednesday shortly before 9 p.m., American Airlines Flight 5342 collided with an Army Black Hawk helicopter and crashed into the icy Potomac River.

According to the FAA, an Army Black Hawk helicopter collided into a 60-passenger flight landing at DCA midair.

The Black Hawk helicopter that crashed into an American Airlines plane was alerted to the plane’s presence by air control twice, the first time at least two minutes before the deadly crash, according to a Washington Post report.

The Black Hawk helicopter that crashed into an American Airlines flight was alerted to the plane's presence by air control twice, according to the reports.