Two flight attendants were injured after a commercial Southwest Airlines jet suddenly dropped 475 feet to avoid a “midair collision” shortly after takeoff at a Los Angeles-area airport Friday, with one frightened passenger saying the aircraft “was just in a freefall.

Passengers on a Southwest Airlines jet say their pilot had to “aggressively” dive to avoid a midair collision with another plane shortly after takeoff on Friday.

The flight, bound for Las Vegas, descended 475 feet from an altitude of 14,100 feet, according to flight tracking data