After manufacture the gliders were first tested by the JRV and JNA before donation to state-sponsored aero clubs across the country.
In June 1947 the first VSJ flying school at Borongaj (near Zagreb) started training pupils.
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! style="align: center; background: lavender;" colspan="7" "?title=Firefighting">Firefighting aircraft
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In April 1946 NK Mornar ("Sailor F.C.") based in Split and in 1947 FK Naša Krila ("Our Wings F.C.") based in Zemun were also established, intended to represent the Yugoslav Navy and the Yugoslav Air Force, with both clubs entering the 1947–48 Yugoslav Second League.
The first Yugoslav Air Force unit which received J-22 aircraft was the 351st (reconnaissance aviation squadron) from 82nd Aviation Brigade, Cerklje.
Svetopolk Pivko (Serbian Cyrillic: Светополк Пивко) (Maribor, Austria-Hungary, September 29, 1910 - Belgrade, Yugoslavia, October 13, 1987) was an engineer and professor at the Faculty of Mechanical Engineering and the Faculty of Mathematics in Belgrade, was a colonel of the Yugoslav Air Force deputy commander of JRV, the founder and the first director of the Aeronautical Technical Institute in Žarkovo.
The 322nd Signal Regiment was established on August 24, 1948, from Signal Battalion of Yugoslav Air Force Command with command at Zemun.
Just before the April War in 1941 the aircraft was used by the 603rd training squadron of the Royal Yugoslav Air Force (JKRV) which was located at Grab Airport near Trebinje and it was destroyed during withdrawal from the airport.
Other domestic shows followed at Podgorica, Niš and Vršac, culminating in the first overseas appearance of a Yugoslav Air Force display team for nearly two decades.