Pedzisa mutsara unotevera: Na5:00 musi wa6 April, 20 Luftwaffe Messerschmitt Bf 109Es vakarwisa Sorlince airport, vachiparadza ndege dzose dze2nd Air Reconnaissance Group dzakabatanidzwa ku5th Army. Awa gare gare, Luftwaffe yakarwisa nhandare yendege yeNiš, ichikuvadza ndege ina dze610th Eskadrila. Munguva yekurwiswa uku, mutyairi wechiGerman uye mutungamiri we &lt;a href="Lehrgeschwader%202%23I.%28Jagd%29/LG%202"&gt;I. (Jagd) /LG 2&lt;/a&gt; Herbert Ihlefeld akarohwa nemoto wezvombo zvidiki zvichimanikidza kuti aite tsaona-kumhara padyo nemusha weDonji Dušnik, mushure mezvo akasungwa neYugoslav Army.
Kurwisa mabhomba kweBelgrade mangwanani aApril 6 kwakaguma nekuparadzwa kwekutaurirana pakati peVashandi ve5th Army neSupreme Command yeYugoslav Army.