Nieuport 21

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Nieuport 21
Nieuport 21.jpg
Role Fighter
Manufacturer Nieuport
Introduction 1916
Retired 1920s
Primary users Aéronautique Militaire
Imperial Russian Air Service
US Army Air Service
Developed from Nieuport 17

The Nieuport 21 was a French single-seat, single-engine fighter aircraft used during World War I. The aircraft was used by the French, Russian, British and American air forces. After the war, the Nieuport 21 was a popular civil aircraft.

Design and development[edit]

The Nieuport 21 was designed by Gustave Delage and it made its maiden flight in 1916. While it had a similar airframe to the Nieuport 17, it was equipped with a less powerful Le Rhône 9C engine as it was originally intended as a long range escort fighter. As the engine was fitted with a horseshoe shaped cowling, the Nieuport 21 was often mistaken for the smaller Nieuport 11, which had a similar cowling.[1]

Operational history[edit]

The Nieuport 21 served briefly as a front line fighter before its lack of power caused it to be relegated to training duties. Nieuport 21s were sold to the United States for use strictly as trainers, and Russia. They were also used in limited numbers by the RNAS. The Nieuport 21 was license manufactured in Russia by A/O Duks. A small number were used by a number of air arms in the early post war period, including the Finnish Air Force (the Whites) which had captured a Russian aircraft in Tampere in 1918 which was used until 1923. The French Navy used one example for carrier trials in 1919 and 1920.


Portuguese Air Force
 Soviet Union
 United Kingdom
 United States


Data from Suomen Ilmavoimat I 1918-27

General characteristics



1 machine gun fixed to upper wing.



  1. ^ Taylor and Alexander 1969, pp. 114–115.


  • Donald, David, ed. The Encyclopedia of World Aircraft. London: Aerospace Publishing, 1997. ISBN 1-85605-375-X.
  • Keskinen, Kalevi;, Kyösti Partonen and Kari Stenman. Suomen Ilmavoimat I 1918–27. Espoo, Finland: Kari Stenman Publishing, 2005. ISBN 952-99432-2-9.
  • Taylor, John W. R. and Jean Alexander. Combat Aircraft of the World. New York: G.P. Putnam's Sons, 1969. ISBN 0-71810-564-8.