Investigators working to download data from helicopter, jet black boxes in crash over Potomac River
Latest news and live updates after a Black Hawk helicopter collided with an American Airlines jet over the Potomac River this week, killing 67 people.
Conflicting initial data raises questions on aircrafts' altitude during DCA crash
Data from the jet’s flight recorder showed its altitude as 325 feet, plus or minus 25 feet, when the crash occurred, NTSB ...