There are 6 Bell Helicopter Textron Canada UH-1D 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 1968 and 1970.
N848HX
1970 Bell Helicopter Textron Canada UH-1D
Quebec
N51SB
1968 Bell Helicopter Textron Canada UH-1D
Kerrville, TX
N205FS
Bell Helicopter Textron Canada UH-1D
Tallahassee, FL
N207FS
Bell Helicopter Textron Canada UH-1D
Tallahassee, FL
N71SB
Bell Helicopter Textron Canada UH-1D
Kerrville, TX
N91SB
Bell Helicopter Textron Canada UH-1D
Kerrville, TX