Uni Soviet.
Era
The company was established in 1946 at the Novosibirsk Aircraft Production Association as the top-secret Soviet Research and Design Bureau No. 153 (OKB-153). It was headed by Oleg Antonov and specialised in turboprop military transport aircraft. The task was to create an agricultural aircraft CX-1 (An-2), the first flight of which occurred on 31 August 1947.
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