fix version of the old one,improve Flight performance,and change the camouflage form British to France.

The Nieuport 17 C.1 (or Nieuport XVII C.1 in contemporary sources) was a French sesquiplane fighter designed and manufactured by the Nieuport company during World War I. An improvement over the Nieuport 11, it was a little larger than its predecessors, and better adapted to the more powerful engine than the interim Nieuport 16. Aside from early examples, it would incorporate the newly-developed Alkan-Hamy synchronization gear, permitting the use of a fuselage-mounted synchronised Vickers gun firing through the propeller disc.

At the time of its introduction in March 1916, the type's outstanding manoeuvrability and excellent rate of climb gave it a significant advantage over other fighters on both sides,[1] and was described as "the best pursuit plane of the day".[2] It was widely used by many operators and entered service with every Allied power, not to mention the copies operated by the German air service. In addition to substantial production by several French manufacturers, the Nieuport 17 and its close relatives were built in Italy by Nieuport-Macchi and in Russia by Dux. Unlicenced copies, notably the Siemens-Schuckert D.I and the Euler D.I, were produced in Germany.

Various derivatives and improvements were developed. The Nieuport 21 and 23 represented relatively minor alterations, while aerodynamic refinement led to the Clerget-powered 17bis, and more powerful versions of the Le Rhône rotary engines with additional detail improvements resulted in the Nieuport 24, 24bis and 27.

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