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The Washington plane crash may have been caused by "erroneous altitude data"
This was explained at a press conference by Jennifer Homendy, Chair of the National Transportation Safety Board. The plane ...
A timeline of last month's air disaster in Washington, the deadliest in the US since 2001
More than two weeks after a helicopter and airplane collision over Washington killed 67 people, investigators have completed their work at the scene where the aircraft fell into the Potomac River ...