Po2, Open Cockpit Biplane, Soviet biplane, nicknamed Kukuruznik, Polikarpov U-2 or Po-2, 'Mule', aircraft served as a trainer and crop-duster.
Second most produced aircraft, and the most produced biplane, in the history of aviation.
By Nikolai Polikarpov to replace the U-1 trainer (Avro 504), engine Shvetsov M-11 by M.M. Gromov.
Basic Soviet civil and military trainer aircraft. Mass produced in a 'Red Flyer' factory near Moscow (also agricultural aircraft variant).
Called Bedcheck Charlie. Star engine.
Wood-and-fabric-construction of the Po-2.
U-2A, U-2AO, U-2AP, U-2G, U-2KL, U-2LSh, U-2M, U-2P, U-2S, U-2SS, U-2ShS, U-2SP, Po-2, Po-2A, RV-23, CSS-13, CSS13, CSS S-13, E-23, E23.