Air Florida Flight 90: 43 years ago, another airline crash in the Potomac. What to know.
The 1982 crash happened moments after takeoff in icy conditions in roughly the same place as Wednesday's collision between a jet and Army helicopter.
Flair passengers had a scare when Montreal landing was aborted before D.C. crash
The problem arose after a second aircraft remained unexpectedly on the tarmac at the Dorval airport. It was a Bombardier Challenger 3500 corporate jet registered in Mexico.