AMERICAN PILOTS appreciate speed and aerodynamic efficiency-but those features aren't emphasized in U.S. regulations for Light Sport aircraft that limit top speeds to 120 KCAS and bar retractable landing gear and constant speed props. European regulators give aircraft designers far more freedom to produce modern "ultralight" designs such as the Shark that deliver enviable performance. www.aopa.org/pilot AOPA PILOT | 71http://www.aopa.org/pilot