In the first three years, while the fleet consisted only of Potez 29/2 biplanes, major aircraft maintenance for Aeroput was performed by aircraft factory Ikarus in Zemun, which had licence for producing a similar plane Potez 25 for the Royal Yugoslav Air Force (JKRV).
During its initial three-year period, Aeroput's fleet consisted solely of Potez 29/2 biplanes. The maintenance of these aircraft was carried out by Ikarus factory in Zemun, which had a permit to produce the Potez 25 for the Royal Yugoslav Air Force (JKRV).