Nieuport 21

The Nieuport 21 (or Nieuport XXI C.1 in contemporary sources) 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.

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