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.

An American Airlines plane carrying 60 passengers and four crew members collided with an Army Black Hawk helicopter outside Reagan National Airport near Washington, D.C. Wednesday night. A D.C. fire official said Thursday that “we don't think there are any survivors from this accident" and "we are switching from a rescue operation to a recovery operation.

WASHINGTON (Reuters) -An American Airlines regional passenger jet and a U.S. Army Black Hawk helicopter crashed into the Potomac River after a midair collision near Reagan Washington National Airport on Wednesday night, officials said.

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.

GOP Sen. Ted Cruz of Texas revealed Thursday that the U.S. Army helicopter that collided with a passenger jet last week near Washington's Reagan Airport had a key safety system turned off. Cruz, who is chairman of the Senate Commerce Committee,

Senator Ted Cruz told reporters that the chopper's Automatic Dependent Surveillance-Broadcast (ADS-B) system was not on before the crash over the Potomac River in Washington, D.C.