Inside the DC plane crash investigation: Air traffic staff a 'small piece' of 'very big puzzle,' official says
The NTSB is investigating "thousands of data points" to find the cause of the fatal D.C. plane-helicopter crash, including ...
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LIVE DC plane crash updates: Midair collision leaves no survivors
Officials do not believe anyone survived the midair collision between an American Airlines passenger jet and a military helicopter over Ronald Reagan National Airport near Washington, D.C. on ...