After the NTSB and FAA briefed Senators on Thursday, it appears that a key safety system was turned off in the helicopter that collided with a passenger plane.

WASHINGTON (AP) — The Army was one of 28 government agencies authorized to fly helicopters near Ronald Reagan National ...

Sen. Ted Cruz (R-TX) said Thursday that the Army Black Hawk helicopter involved in last month’s midair collision with an American Airlines flight didn’t have an advanced tracking system enabled.