There are 3 Harrison Mike Dbaskyesthelimit CHALLENGER II SPEC 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 2012.
N231TA
2012 Denoyer Mark A CHALLENGER II
Phoenix, AZ
N101XX
2004 Freeman Arthur F CHALLENGER II
Georgetown, GA
N414LS
2004 Stokes Leslie Ray CHALLENGER II
Lexington, OK