There are 3 Kucki Nick J PITTS S-1S aircraft on the U.S. registry that TailWiki has a page for. Every one is built from the public FAA record — year, serial, engine, home base, and registration history — and owners and pilots add photos, trips, and stories on top.
N37XP
1976 Kucki Nick J PITTS S-1S
Morris, IL
N39XP
1976 Kucki Nick J PITTS S-1S
Santa Paula, CA
N40XP
1976 Kucki Nick J PITTS S-1S
Dallas, TX