There are 9 Douglas DC-6B 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 1954 and 1959.
N7919C
1959 Douglas DC-6B
Fairbanks, AK
N444CE
1958 Douglas DC-6B
Fairbanks, AK
N651CE
1958 Douglas DC-6B
Fairbanks, AK
N555SQ
1957 Douglas DC-6B
Fairbanks, AK
N6586C
1957 Douglas DC-6B
Fairbanks, AK
N600UA
1956 Douglas DC-6B
Port Orange, FL
N434TA
1954 Douglas DC-6B
Salt Lake City, UT
N151
Douglas DC-6B
Fairbanks, AK
N751CE
Douglas DC-6B
Fairbanks, AK