Complex sentence: In 1993, BAe sold its corporate jet product line to the American Raytheon Aircraft Company (now Hawker Beechcraft), who maintain the Hawker legacy with a line of eponymous business jets.
Split into simpler sentences: In 1993, BAe sold its corporate jet product line to the American company Raytheon. The new company is named Hawker Beechcraft Corporation, and they maintain the Hawker legacy with a line of eponymous business jets.