– FS2004 Douglas DC-3 Sound Package flight2000it 20 years ago FS2004 Douglas DC-3 Sound Package. Designed for the default Douglas DC-3 aircraft with a more true sounding representation of its Pratt & Whitney engines. Nice and loud and with all the trimmings. By Des Braban 12 Mb FS2004 – Douglas DC-7C Panair Do Brasil 1959FSX/FS2004 – Douglas DC-7C CaledonianFS2004 – Mcdonnell Douglas DC-9-31 Valujet