The passenger was traveling with his sister, who said her brother told her before the violent outburst to “close her eyes and pray because Satan's disciple(s) had followed them onto the plane.” ...

Investigators issued their preliminary report Tuesday in the probe into the devastating crash between an American Airlines plane and a U.S. Army Black Hawk helicopter.

The NTSB determined the existing separation distance between planes and helicopters at Reagan National Airport is “insufficient" and poses an intolerable risk.