1990 Pitts S-1XExperimental Aircraft • Cincinnati, OH, USA

This 1990 Pitts S-1X Sunbird, registration NDH and located in Cincinnati, OH, is a rare Dan Rihn design originally engineered to compete in the Unlimited category, and it carries the claim of no damage history. The airframe and engine have a total time of 375 hours, with 130 hours since a major overhaul, and all cylinders are reporting 70+ compression. Powered by a Lycoming IO-540 producing 280+ horsepower, it swings an MT three-blade acro propeller and features a Christian inverted oil system. The seller notes a remarkable rate of climb of 3,600+ feet per minute at takeoff.

The aircraft has received a significant panel and electrical...