Planes have high-tech systems to stop midair crashes. So what went wrong in Washington?

By Chrystal Zhang, Associate Professor, Aerospace Engineering & Aviation, RMIT University

Source link: https://theconversation.com/planes-have-high-tech-systems-to-stop-midair-crashes-so-what-went-wrong-in-washington-248744

On Wednesday night US time, a passenger jet and US Army helicopter collided at a low altitude near Ronald Reagan Washington National Airport, and crashed into the the Potomac River. A total of 60 pass ...

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