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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.
After manufacture the gliders were first tested by the JRV and JNA before donation to state-sponsored aero clubs across the country.