Fokker DR1 Red BaronFokker DR1 Red Baron airplane model. The Fokker Dr. I, which is more commonly known as the Fokker Triplane, was likely one of the most iconic aircraft of the First World War. Introduced into service in 1917, the Fokker Dr. I was known for its supreme maneuverability, likely one of the major factors that motivated it being the mount of choice for esteemed pilots like the Red Baron. According to Robert Jackson's 2006 Encyclopedia of Military Aircraft,