"The first four planes given to Yugoslav aviation on island Vis on 14th September 1944, were allotted to the Liaison Escadrille if the Supreme Headquarter of the National Liberation Army of Yugoslavia. During war, were received another 20 to 30 planes "Polikarac”, (the common nick-name of Po-2), while after the war, followed mass delivery – during 1945, only, more than 100 were obtained. Except for pilots’ training and liaison tasks, planes were used in complementing lack of planes of some operative units, as night bombers – until coming to units the "real” aircraft, modern bombers. Since 1948 this type of aircraft started gradually going over to the sport aviation, the the VSJ, transferring 87 planes in all for pilots’ training, gliders towing, parachutists’ jumps, and air ambulance service. In agricultural version, "Polikarac” played a great role in repulsing the forest’s parasites invasion.
Due to lack of spare parts for M-11D engine, Yugoslav designer 1958 reworked plane fuselage, in order to mount available Walter Minor 6/III engines, developing 160 hp, (119,3 kW). This variant was designated Po-2W, W regarding to Walter engine.
The last example of this aircraft type in Yugoslavia was written off Register in 1976, and exhibited plane, (YU-CNT, the YAF serial 0089), was a gift of Aero Club Mostar in 1971, and it is the only preserved original Po-2 in Serbia. Besides that, in Museums aircraft collection is another Po-2, but equipped by a Walter Minor 6/III engine."