There are 7 Douglas DC-6A 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 1953 and 1958.
N9056R
1958 Douglas DC-6A
Fairbanks, AK
N7780B
1957 Douglas DC-6A
Fairbanks, AK
N400UA
1954 Douglas DC-6A
Fairbanks, AK
N70BF
1953 Douglas DC-6A
Miami Lakes, FL
N3047V
Douglas DC-6A
Fairbanks, AK
N578AS
Douglas DC-6A
Miami, FL
N851CE
Douglas DC-6A
Fairbanks, AK