Summary
An American Airlines regional jet carrying 64 people collided midair with a Sikorsky H-60 military helicopter near Ronald Reagan Washington National Airport on Wednesday night.
The PSA Airlines Bombardier CRJ700 was on approach from Wichita when the crash occurred around 9 p.m. ET. At least one aircraft ended up in the Potomac River, prompting a major emergency response.
The FAA closed the airport, and the NTSB is leading the investigation.
17.48 you can hear the audible gasp from ATC (or someone on the air) at the moment if impact.