There are 3 Kolb Aircraft MARK III 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. The ones listed here were built between 1993 and 1999.
N103JY
1999 Kolb Aircraft MARK III
Burnham, IL
N102JY
1996 Kolb Aircraft MARK III
Burnham, IL
N104JY
1993 Kolb Aircraft MARK III
Burnham, IL