rcing restrictions around major sporting events. The World Cup has been a blessing for North Texas, and it's imperative that we remain vigilant in protecting fans and residents from potentially dangerous drones, Raybould said. World Cup drone rules and FAA flight restrictions The Federal Aviation Administration says a computer outage prompted the grounding of all flights in the United States overnight. (Carolyn Cole / Los Angeles Times via Getty Images) Dig deeper: The FBI reiterated that a no-fly zone remains in effect around World Cup hosting venues beginning three hours before each match and continues for three hours afterward. Related article FBI Dallas Special Agent in Charge R. Joseph Rothrock urged drone operators to check for flight restrictions before launching their aircraft. It is the drone operator's responsibility to understand where Temporary Flight Restrictions exist, Rothrock said. Before you fly a drone, I strongly encourage you to check for active flight restrictions using an FAA-approved B4UFLY service provider. Violating those restrictions is a federal crime. The case was investigated by the FBI Dallas Field Division, the Federal Air Marshal Service, U.S. Customs and Border Protection, the Arlington Police Department, Texas Parks and Wildlife Department and the Texas Department of Public Safety. Federal prison time and penalties for tournament flight violations What's next: If convicted, Flores Ordonez faces up to three years in federal prison.