There are 5 Spectrum Aircraft A26 VULCAN SS 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 2000 and 2003.
N927CM
2003 Mckinney Charles A-26 VULCAN
Hamersville, OH
N733T
2002 Allen Normand AEROPRAKT A-26 V SS
Colorado Springs, CO
N1064H
2001 Hunter John R A-26 VULCAN SS
Valley Springs, CA
N40889
2001 Hunter John R A-26 VULCAN
Goodland, KS
N90732
2000 Hunter John A-26 VULCAN
Saint Petersburg, FL