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3 big takeaways from the NTSB hearing on the DCA midair collision
Related:
- 'There's a serious safety issue,' investigators say following DCA midair collision
- U.S. and Russian figure skaters are among the victims of the D.C.-area plane crash
- Altimeter in Black Hawk helicopter may have malfunctioned before DCA midair collision
- Air traffic controllers say a push to modernize equipment won't fix deeper problems
- FAA restricts helicopter flights near DCA airport after midair collision
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