The head of the National Transportation Safety Board (NTSB) has pinned blame on the near-collision at a Chicago airport ...

In a TV interview, the chair of the NTSB, said that the near miss with a Southwest Airlines flight in Chicago was due to the Flexjet crew's failure to hold.

But nobody knows enough yet to explain why — including Donald Trump. In time, the National Transportation Safety Board (NTSB) will provide answers and advise how to avert another such tragedy.

(DC News Now) — The National Transportation Safety Board (NTSB) is continuing to recover ... For the latest news, weather, sports, and streaming video, head to DC News Now | Washington, DC.

GREEN RIVER, Wyo. — The National Transportation Safety Board has opened a safety investigation into the fiery crash on Friday that killed two people and left an unknown number of injured at the ...