DI-1 (2I-N1) | |
---|---|
Role | Fighter |
National origin | Soviet Union |
Manufacturer | Polikarpov |
Designer | Nikolai Nikolaevich Polikarpov |
First flight | 12 January 1926 |
Status | Cancelled |
Number built | 1 |
The Polikarpov DI-1 (DI - Dvukhmesnyy Istrebitel - two-seat fighter), also known as 2I-N1, Russian: Поликарпов ДИ-1 (2И-Н1), was a prototype Soviet two-seat fighter designed during the 1920s. The sole prototype built crashed on its ninth flight, due to manufacturing defects, and the program was cancelled.