Probe Underway in Ukrainian Plane Crash Outside Tehran


See Ukrainian airlines jet crashed to the Tehran airport killing all one hundred seventy six people on board and a half minutes into the flight eight thousand feet communication was lost there was no mayday no emergency signal so whatever happened happened fast almost immediately a running authorities blamed engine failure but aviation experts say it's impossible to know that without thoroughly examining the wreckage in the black boxes meaning the flight data recorder which tells you how the plane was operating and the cockpit voice recorder which records any conversations or ambient sound inside the cockpit boxes trace Gallagher America is listening to

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