A United flight nearly collided with a U.S. Army Black Hawk helicopter Tuesday night near John Wayne Airport in California.

•⁠ ⁠United Flight 589, a Boeing 737-800, was on final approach around 8:40 p.m. and missed the helicopter by a few hundred feet.

•⁠ ⁠The aircraft received a traffic collision alert, known as a “resolution advisory.”

•⁠ ⁠Air traffic control warned the flight about the helicopter, which had crossed into the plane’s flight path.

•⁠ ⁠The plane adjusted altitude and landed safely; the FAA is investigating the incident.