A key safety system was turned off on the U.S. Army helicopter that collided with an American Airlines regional jet last week near Washington's Reagan Airport, killing 67.

Senator Ted Cruz shared details about the crash in Washington after a meeting with the Federal Aviation Administration

Investigators trying to determine what caused last week’s deadly midair collision between a US military Black Hawk helicopter and an American Airlines plane near Washington, DC, briefed lawmakers Thursday on what they’ve learned after combing through data from both aircraft and air traffic control.

More information has emerged in the investigation into the mid-air collision over the Potomac River between an American Airlines jet and an Army Black Hawk helicopter,

The U.S. Army helicopter that collided with an passenger jet near Washington, D.C., had an advanced surveillance system turned off.

The Army Black Hawk helicopter involved in the fatal midair collision in Washington, D.C., had a tracking system turned off, Sen. Ted Cruz said.

Sen. Ted Cruz said a key safety system was turned off aboard the Black Hawk helicopter that collided with a plane in Washington, D.C. His comments followed a closed-door meeting with the NTSB.