The Heinkel HD 35 was a trainer developed in

Germany Germany, officially the Federal Republic of Germany, is a country in Central Europe. It lies between the Baltic Sea and the North Sea to the north and the Alps to the south. Its sixteen States of Germany, constituent states have a total popu ...

in the 1920s. It was a conventional

single-bay A biplane is a fixed-wing aircraft with two main wings stacked one above the other. The first powered, controlled aeroplane to fly, the Wright Flyer, used a biplane wing arrangement, as did many aircraft in the early years of aviation. While a ...

biplane A biplane is a fixed-wing aircraft with two main wings stacked one above the other. The first powered, controlled aeroplane to fly, the Wright Flyer, used a biplane wing arrangement, as did many aircraft in the early years of aviation. While ...

with staggered wings of equal span. The design was based on that of the HD 21, and like that aircraft, it had three open

cockpit A cockpit or flight deck is the area, on the front part of an aircraft, spacecraft, or submersible, from which a pilot controls the vehicle. The cockpit of an aircraft contains flight instruments on an instrument panel, and the controls th ...

s in tandem, although the most forward of these was usually faired over when not in use. The

Swedish Air Force The Swedish Air Force ( or just ) is the air force Military branch, branch of the Swedish Armed Forces. History The Swedish Air Force was created on 1 July 1926 when the aircraft units of the Army and Navy were merged. Because of the escalatin ...

bought an example to evaluate as a replacement for the

World War I World War I or the First World War (28 July 1914 – 11 November 1918), also known as the Great War, was a World war, global conflict between two coalitions: the Allies of World War I, Allies (or Entente) and the Central Powers. Fighting to ...

-vintage Albatros B.IIs it was then using for

training Training is teaching, or developing in oneself or others, any skills and knowledge or fitness that relate to specific useful competencies. Training has specific goals of improving one's capability, capacity, productivity and performance. I ...

. This aircraft was designated Sk 5 and was flight tested until March 1927, at which time it was judged inadequate in performance. It was subsequently sold onto the civil market and was eventually acquired by the '' Flygvapenmuseum'', where it is preserved. The Heinkel HD 35 is comparable to

Curtiss JN-4 The Curtiss JN "Jenny" is a series of biplanes built by the Glenn Curtiss Aeroplane Company of Hammondsport, New York, later the Curtiss Aeroplane and Motor Company. Although the Curtiss JN series was originally produced as a training aircraft ...

Jenny in general specifications.

Operators

; *

Specifications

Aircraft of comparable role, configuration and era *

Curtiss JN-4 Jenny The Curtiss JN "Jenny" is a series of biplanes built by the Glenn Curtiss Aeroplane Company of Hammondsport, New York, later the Curtiss Aeroplane and Motor Company. Although the Curtiss JN series was originally produced as a training aircraft f ...

References

External links

Heinkel HD 35 - description and images
{{Swedish military aircraft designations 1920s German civil trainer aircraft HD 35 Aircraft first flown in 1926