High Quality Content by WIKIPEDIA articles! OJSC Voronezh aircraft production association or Voronezh Aircraft Plant (Voronezhskoye Aktsionernoye Samoletostroitelnoe Obshestvo abbreviated as VASO, Russian: " ", RTS:VASOP) is one of the largest aircraft production plants in Russia. Founded in 1932 in Voronezh (as Voronezh Aviation Plant, branch registry number 18). In 2007, VASO became part of the state-owned United Aircraft Corporation (UAC). Notable planes built here are the Antonov An-148, Tupolev Tu-144, Ilyushin Il-86, Ilyushin Il-96