ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,491,989, issued on Dec. 9, was assigned to The Boeing Co. (Arlington, Va.).

"Systems and methods for controlling a flight control surface of an aircraft" was invented by Ira Mitchell (Seattle).

According to the abstract* released by the U.S. Patent & Trademark Office: "A system and a method include a flight control surface, an actuator configured to control motion of the flight control surface, and a brake configured to engage at least a portion of the flight control surface in response to the flight control surface disengaging from the actuator. The brake arrests unrestrained motion of the flight control surface when the brake engages the at least a portion of the flight control surf...