The Federal Aviation Administration is investigating a Southwest Airlines flight that descended to just 525 feet above ground as it approached Will Rogers World Airport in Oklahoma City on Wednesday, triggering an altitude warning from air traffic control that it was getting too low.
Southwest flight 4069 was about 9 miles from the airport, over Yukon, Oklahoma, when it descended to the low altitude just after midnight on Wednesday, flight tracking information from FlightRadar24 shows.
“Southwest 4069 low altitude alert,” a controller is heard saying in an air traffic control recording by LiveATC.net. “You good out there?”
The pilots’ response is not audible.
After the descent stopped, the Boeing 737-800 climbed briefly and then maneuvered for a successful landing at Oklahoma City, tracking data show.
The FAA, in a statement to CNN, said it was investigating the incident, adding: “After an automated warning sounded, an air traffic controller alerted the crew of Southwest Airlines Flight 4069 …