This is a list of operators of the Douglas DC-4, Douglas C-54, Canadair North Star and Douglas R5D.
(Douglas C-54 unless specified)
DC-4 operated by the Dutch Dakota Association in the "Flying Dutchman" colours of KLM
Aerolineas Argentinas DC-4 at Ministro Pistarini Airport, Argentina, 1958.
Ardco C-54D (DC-4) 43-17228 air tanker landing at Fox Field, Lancaster, California, 2003. Now with Berlin Airlift Historical Foundation as "Spirit of Freedom"