It was really pretty simple, we all had "areas" we had to fly within. He ventured out past the limits of the sport arena and was reprimanded by the flight boss. So was I several times Face it, when flying 150mph + EDF's, it is difficult to stay within a small boundary. A simple left turn before the end of the sport area was all that was needed to correct to problem. He really didn't need to get so offended. Any of us that were flying fast jets at least once got yelled at for entering the parkflyer area And the parkflyer guys got yelled at for entering the Sport flyer area too. The flight bosses at SEFF did their jobs fairly and no one was singled out