The Polikarpov I-5 was a single-seat biplane which became the primary Soviet fighter between its introduction in 1931 through 1936, after which it became the standard advanced trainer.
Polikarpov I-5 adalah biplan kursi tunggal yang menjadi pejuang Soviet utama antara diperkenalkan pada tahun 1931 melalui 1936, setelah itu menjadi standar pelatih canggih.