Ultra-low-cost-carrier Frontier Airlines was involved with a call to the FBI on Sunday, November 9, after a loaded gun was found on one of its Airbus A320 aircraft. Officers assigned to support at the airport responded to a call that a gun magazine was found on the aircraft at Gate C-6 at Hartsfield-Jackson Atlanta International Airport. The passenger in seat 7A located the loaded magazine, which contained ten hollow-point rounds.