There are 4 P Z L Koliber 150A 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 1994 and 1995.
N150AN
1995 P Z L Koliber 150A
Independence, IA
N150AY
1995 P Z L Koliber 150A
Staten Island, NY
N150CJ
1994 P Z L Koliber 150A
Seymour, TN
N150AK
P Z L Koliber 150A
Williamson, GA