Statement from the San Francisco 49ers: “Stadium management actively collaborates with the FAA as it relates to large scale events held at Levi’s Stadium and has not been made aware of any concerns with the stadium’s video boards since last year when the boards were being initially tested and calibrated. We have a great appreciation for the FAA and have worked with them to establish protocols and guidelines in the event the boards need to be recalibrated. Our top priority is always to maintain the highest level of safety and security for all guests visiting Levi's Stadium as well as the general public.”