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 Airport before its Black Hawk helicopter collided with an American Airlines passenger jet last week, killing 67.

First responders are searching the Potomac River after an aircraft collided with a military helicopter mid-air Wednesday night near Washington D.C. According to the FAA, a PSA Airlines jet collided in the air with a military helicopter while headed towards Runway 33 at Ronald Reagan Washington National Airport.

The Federal Aviation Administration (FAA) has begun reviewing the safety protocols at high-traffic airports in the United States. This action follows a recent tragic incident. The FAA announced on Thursday that it has initiated a detailed safety review at U.