There are 3 New Kolb Aircraft MARK III CLASSIC 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 2004 and 2010.
N674JT
2010 Tripp James A KOLB MARK III
The Villages, FL
N80211
2006 Pearce Rick A KOLB MARK 3
Parsons, KS
N228BC
2004 Chaisson Bruce MARK III CLASSIC
Caret, VA