“These restrictions are in place to protect fans, athletes and the integrity of the event. We urge everyone to comply with all posted airspace restrictions.” Source: Cmdr. Dave Herndon, response department head, Coast Guard Sector San Francisco, in comments made the Coast Guard reminded the public that drones are strictly prohibited within a 3-nautical-mile radius of Levi’s Stadium in Santa Clara, Calif., during FIFA World Cup games, as part of a temporary flight restriction (TFR) enforced for public safety.