There are 4 Pilatus Britten-Norman BN-2B-21 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 1979 and 1988.
N117MC
1988 Pilatus Britten-Norman Ltd. BN-2B-21
Baton Rouge, LA
N678CC
1980 Pilatus Britten-Norman Ltd. BN-2B-21
Doral, FL
N801SA
1979 Pilatus Britten-Norman Ltd. BN-2B-21
Salmon, ID
N856BC
Pilatus Britten-Norman Ltd. BN-2B-21
Cheyenne, WY