The Euler D. I was a German single-seat fighter based on the French Nieuport 11. After seeing the success of the French Nieuport 11 at the front German designer August Euler set about to create a German aircraft based on the Nieuport design. The Euler D. I first flew in late 1916. It was powered by an 80 hp engine with the Euler patented machine gun on the front.
Made by Euler-Werke.
Euler D.I is the predecessor of the Euler D.II.