There are 3 Let Z-37/2 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.
N861JS
1966 Let Z-37/2
Oak Hill, FL
N119RA
Let Z-37/2
Hilton Head Island, SC
N147RA
Let Z-37/2
Lexington, NC