There are 6 Aero At Sp Zoo AT-4 LSA 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 2009 and 2011.
N413AT
2011 Aero At Sp Zoo AT-4 LSA
Seneca Falls, NY
N623LT
2010 Aero At Sp Zoo AT-4 LSA
Ocala, FL
N731BZ
2010 Aero At Sp Zoo AT-4 LSA
Hockessin, DE
N721RB
2009 Aero At Sp Zoo AT-4 LSA
Avondale, AZ
N709PR
Aero At Sp Zoo AT-4 LSA
Cortland, NY
N717PM
Aero At Sp Zoo AT-4 LSA
Fort Smith, AR