|Primary user||U.K. (RFC/RAF)|
|Number built||21 |
|Developed from||Nieuport 12|
|Engine||110hp Le Rhône 9J rotary|
|Armament||fixed sync. Vickers and|
rear flexible Lewis
|Max Speed||157 km/h (98 mph) |
|Climb||1000m in 5:12|
2000m in 12:02 
The Nieuport 20 was a development of the Nieuport 12 with a larger engine and various other adjustments. Thrity were ordered by the RFC in 1916, though only twenty-one were delivered. They served with Squadron Nos.1, 45, and 46, but they were dislike and were replaced in early 1917 and relegated to training. 
For more information, see Wikipedia:Nieuport 12.
- Davilla, p.387.