There are 3 Messerschmitt BK 117 B-1 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.
N117CH
1987 Messerschmitt BK 117 B-1
Shreveport, LA
N150KF
Messerschmitt BK 117 B-1
Fillmore, CA
N155SC
Messerschmitt BK 117 B-1
Greenwood Village, CO