A deadly midair collision between an American Airlines jet and an Army helicopter near the nation's capital is bringing renewed focus on the federal agency charged with investigating aviation ...

National Transportation Safety Board holds news conference on deadly DC aircraft crash National Transportation Safety Board holds news conference on deadly DC aircraft crash. ––– Subscribe to ABC News ...

The NTSB is investigating "thousands of data points" to find the cause of the fatal D.C. plane-helicopter crash, including ...

The NTSB is an independent federal agency responsible for investigating all civil aviation accidents as well as serious incidents in the U.S. involving other modes of transportation, such as railroad ...