- Helicopter route permanently closed on route near Washington airport where 67 died in midair crash The Associated Press
- FAA closes helicopter route near D.C. airport after fatal crash Axios
- ‘There’s a serious safety issue,’ investigators say following DCA midair collision NPR
- House Oversight launches probe into deadly plane crash POLITICO
- What to know about NTSB’s recommendation to change helicopter route near DCA NBC Washington
Helicopter route permanently closed on route near Washington airport where 67 died in midair crash – The Associated Press
