In 1928, under provisions of the Five Year Plan for experimental aircraft design, Polikarpov was assigned to develop the primarily wooden I-6 fighter for delivery by mid-1930.
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Polikarpov and the others were moved to Central Design Bureau 39 (TsKB-39) to complete the I-5 project.
Nikolai Gogol | Nikolai Rimsky-Korsakov | Nikolai Yudenich | Alexei Nikolaevich, Tsarevich of Russia | Nikolai Bulganin | Nikolai Timkov | Nikolai Leskov | Nikolai Rubinstein | Nikolai Bukharin | Polikarpov I-16 | Nikolai Volkoff | Nikolai Fraiture | Nikolai Rakov | Nikolai Pozdneev | Nikolai Eilertsen | Nikolai Berdyaev | Alexander Nikolaevich Yakovlev | Polikarpov I-15 | Nikolai Ryzhkov | Nikolai Krylenko | Nikolai Glushkov | Nikolai Erdman | Henrik Nikolai Krøyer | Russian battleship Imperator Nikolai I | Polikarpov Po-2 | Nikolai Vavilov | Nikolai Sokoloff | Nikolai Semenovich Kurnakov | Nikolai Roslavets | Nikolai Ostrovsky |