Observatoire des droits humains (anglais seulement)

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

(Version anglaise seulement)

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

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 passengers – including US and Russian champion figure skaters – and four crew were on board the American Airlines flight AA5342 from Wichita, Kansas. Three military personnel were in the chopper, which was conducting a routine training flight. Authorities…

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