FSX Default Douglas DC-3 Engine Smoke Effect flight2000it 14 years ago FSX Default Douglas DC-3 Engine Smoke Effect. Just add to your FSX default Douglas DC3. Easy Installation. By Tom Tiedman. 156 Kb FSX – World Capitals MissionsFSX/FS2004 – Douglas DC-7C CaledonianFSX – VFR Tour de France 2020