There are 4 Kolb FIRESTAR KXP 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 2007.
N592JE
2007 Kolb FIRESTAR KXP
Waterloo, IL
N1655E
1993 Kolb FIRESTAR KXP
Sheridan, IL
N4633F
Kolb FIRESTAR KXP
Keavy, KY
N71RB
Kolb FIRESTAR KXP
Laurel, MT