The Fokker S.IV was a military
trainer aircraft produced in the
Netherlands in the mid-1920s. It was a conventional,
single-bay 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 unequal span braced with N-struts, essentially a
radial-engined development of the
S.III. The pilot and instructor sat in tandem, open cockpits and the undercarriage was of fixed, tailskid type with a cross-axle between the main units. The
purchased 30 examples and used them right up to the
German invasion German invasion may refer to:
Pre-1900s
* German invasion of Hungary (1063)
World War I
* German invasion of Belgium (1914)
* German invasion of Luxembourg (1914)
World War II
* Invasion of Poland
* German invasion of Belgium (1940)
...
of the Netherlands in 1940. On 14 May that year, a few surviving S.IVs escaped to France alongside some
S.IX trainers, but never flew again.
The S.IV could be powered by a variety of engines in the range, including
Siemens-Halske Sh 11,
Le Rhône 9J,
Bristol Lucifer,
Armstrong-Siddeley Mongoose,
Oberursel UR.II
Oberursel (Taunus) () is a town in Germany and part of the Frankfurt Rhein-Main urban area. It is located to the north west of Frankfurt, in the Hochtaunuskreis county. It is the 13th largest town in Hesse. In 2011, the town hosted the 51st He ...
or the
Clerget 9B
The Clerget 9B was a nine-cylinder rotary aircraft engine of the World War I era designed by Pierre Clerget. Manufactured in both France and Great Britain (Gwynnes Limited), it was used on such aircraft as the Sopwith Camel. The Clerget 9Bf was ...
.
Units using this aircraft/Operators (choose)
;
*
Royal Netherlands Air Force
, colours =
, colours_label =
, march = ''Parade March of the Royal Netherlands Air Force''
, mascot =
, anniversaries =
, equipment ...
Specifications
References
External links
Уголок неба
{{Fokker aircraft
1920s Dutch military trainer aircraft
S.IV
Biplanes
Single-engined tractor aircraft
Aircraft first flown in 1924
Rotary-engined aircraft