There are 4 Bede BD-4 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 1971 and 2009.
N4685
2009 Bede BD-4
Oriental, NC
N156BD
1987 Bede BD-4
Great Falls, MT
N124BD
1971 Bede BD-4
Aguila, AZ
N164BG
Bede BD-4
Rochester, NY