There are 5 Aero Vodochody L-39ZO 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 1977 and 1979.
N439ML
1979 Aero Vodochody L-39ZO
Mc Leod, MT
N187D
1978 Aero Vodochody L-39ZO
Charlotte, NC
N139LE
1977 Aero Vodochody L-39ZO
Wilmington, DE
N280JD
1977 Aero Vodochody L-39ZO
Norman, OK
N639Z
Aero Vodochody L-39ZO
Palm Beach Gardens, FL