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Deadly DC plane crash investigation examining helicopter altitude
In the weeks since the crash, the NTSB has been analyzing flight data and damage to determine how this happened.
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Washington DC plane crash: officials investigating possible altitude data discrepancy from helicopter
The US National Transportation Safety Board on Friday gave a much-anticipated update on its investigation into a deadly ...
Army helicopter, plane crash: NTSB gives investigation update
The National Transportation Safety Board provided an update on Friday into the investigation of the deadly Army Black Hawk helicopter and American Airlines flight collision.
What caused the DC plane crash? Investigators to present latest findings Friday
Officials with the National Transportation Safety Board are expected to give an update on their investigation into the D.C. plane crash last month.
DC plane crash: New details emerge from NTSB investigation
The NTSB gave an update Friday on the devastating crash in Washington, D.C., between an American Airlines plane and U.S. Army ...
NTSB: Night vision goggles, altitude readings may have contributed to deadly Potomac crash
NBC News' Erin McLaughlin summarizes key takeaways from Friday's briefing by the National Transportation Safety Board regarding last month's deadly plane crash over the Potomac River.