There are 5 Experimental Aviation BERKUT 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 2005 and 2018.
N540RR
2018 Osmena M/Ronneberg D/Orr D BERKUT
Lake Forest, CA
N540RS
2013 Lee R/Lee S EAI BERKUT
Sandy, UT
N360BK
2009 Poelking Theodore BERKUT
Raleigh, NC
N73EZ
2007 Charlton L Scott BERKUT
Lake Forest, CA
N223TK
2005 Burke Timothy F BERKUT
Punta Gorda, FL