 Ramba uchiverenga ndima ino - Muna 1912, Petrović akanga ari mumwe wevarume vatanhatu vemauto eSerbia vakasarudzwa kuti vadzidziswe pachikoro chaHenri naMaurice Farman chokubhururuka muÉtampes, pedyo neParis. Mushure mekupedza kwake chirongwa chekudzidzira, Fédération Aéronautique Internationale FAI yakapa Petrović rezinesi rekutyaira 979, ichiita kuti ave mumwe wevatyairi vekutanga chiuru vanopihwa chitupa nesangano. Paakapedza kudzidziswa kwake, Petrović akadzokera kuSerbia, pamwe chete nevamwe vatyairi veSerbia vachangobva kupiwa chitupa. Mukati meKukombwa kweScutarizuva ranhasi Shkodër, Albania, Petrović akabatanidzwa neSerbian Air Force ichangobva kuumbwa Littoral Air Detachment, iyo yakapiwa basa rekuita mabasa ekuongorora pamusoro peguta nenzvimbo dzakapoteredza. Muna March 1913, Petrović akawira kunze kwake Farman HF.20 apo kupedza basa pamusoro peguta, uye akaurayiwa. Rufu rwake rwakakanganisa tsika dzeboka rake. Pasi pekumanikidzwa neGreat Powers, Montenegro neSerbia zvakadzokera kuScutari muna Chivabvu, iyo Littoral Air Detachment yakarega kuita nendege pamusoro peguta uye vatyairi vayo vakadzokera kuSerbia. 