Built for Maestro Herbet von Karajan (1908-1989), the Austrian conductor, as the first in a series of 6 yachts of this name, an acronym of family names: (H)erbert, (El)iette, (Is)abel and (Ara)bel. There were five more boats bearing this name ending with the maxi racer, Helisara VI. Check out Karajan website