Hangar 9 Pitts S-2B 50-60cc HAN2390Hangar 9 Pitts S 2B 50 60cc HAN2390 Introduction Designed by revolutionary aerobatic plane designer Curtis Pitts, the Pitts S 2B was one of the many variations of the S1 and S2 aerobatic biplanes. During the 1960s and 1970s, the Pitts biplanes were a major force during world aerobatic competitions. Still flying around the world, the Pitts S 2B is an air show mainstay and crowd favorite. The Hangar 9 Pitts S 2B 50 60cc ARF brings this aerobatic