– FS2004/FSX Douglas DC-4 And C-54 Freighters flight2000it 16 years ago FS2004/FSX Douglas DC-4 And C-54 Freighters. USAAF C-54D, India 1945, and Avianca DC-4 (ex. C-54B) in 1970’s colors. Works with FSX, including SP2, and FS2004. Updated version, requires DC4_V21.ZIP. By Jens B. Kristensen. 6,6 Mb FSX/FS2004 – Douglas DC-6B Braathens SAFEFSX/FS2004 – Bergen Air Transport Douglas C-54EFSX/FS2004 – Douglas DC-6B Combi BALAIR