Airshow pilot Tim Decker doing aerobatics in his Pitts S-2B biplane during the Watsonville, CA Airshow. The Pitts Special is a light aerobatic piston biplane designed by Curtis Pitts. It has accumulated many competition wins since its first flight in 1944. The Pitts Special dominated world aerobatic competition in the 1960s and 1970s and, even today, remains a potent competition aircraft in the lower categories.