Raytheon - H/S 800 ExeujetThe HS125 800 first flew on May 26 1983 and it introduced a number of improvements. Aerodynamic changes included a reprofiled nose and windscreen, extended fin leading edge, and greater span wing which decreased drag and increased lift and fuel capacity. Range was boosted further by a larger ventral fuel tank. More powerful TFE 731s improved field performance, while a redesigned interior made more efficient use of the space available. The 800 was also