Kammala wannan jumla: A cikin 1956 an gina sabon titin jirgin sama, 07R / 25L, wanda kusan yayi daidai da 07L / 25R. Har yanzu ana amfani da titin jirgin a yau kuma ya ga tsawonsa daga baya ya karu zuwa. A watan Afrilu 1956 gwamnatin Belgium ta yanke shawarar gina sabon filin jirgin sama, ta amfani da hanyoyi guda ɗaya, amma tare da gine-ginen da ke cikin garin Zaventem. A watan Afrilu 1957, an fara gina sabon tashar jirgin sama, shirya filin jirgin sama don
Bikin Baje kolin Duniya na 1958. Dole ne filin jirgin saman ciyawa 12/30 ya ba da hanya don ba da damar sabon tashar fasinja. An kaddamar da wannan sabon filin jirgin sama a ranar 5 ga Yuli, 1958, kusan a daidai lokacin bikin baje kolin duniya na 1958. Gidajen da ke gefen Melsbroek har yanzu ana amfani da su ta Belgian Air Force (15th Air Transport Wing), kuma wannan har yanzu ana kiranta filin jirgin saman Melsbroek. Dukansu filin jirgin sama na Zaventem da kuma Melsbroek Air Base, filin jirgin sama na soja, suna raba hanyoyi guda.