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.

Sixty-four people aboard a commercial airliner died Wednesday after it collided with a military helicopter midair near Reagan Washington National Airport. Both the American Eagle jet and Army Black Hawk are in the Potomac River.

Data from air traffic control radar showed the military chopper was flying at 300 feet on the air traffic control display at the time of the fiery crash, according to the NTSB.

The Black Hawk helicopter that crashed into an American Airlines flight was alerted to the plane’s presence by air control twice.

The pilots of the American Airlines plane that collided with a U.S. Army helicopter late Wednesday night have been identified. Jonathan Campos, 34, was the captain of American Airlines Flight 5342 when an Army helicopter apparently flew into its path as it prepared for landing at Ronald Reagan National Airport near Washington, D.C., CNN reported.