The negotiations between Iran and Ukraine to launch joint production of Antonov’s An-148/158 passenger aircraft are in the final stage and the operational framework will be resolved by the year’s end, the Iranian ambassador to Ukraine said on Dec. 3 via FarsNews. The two nations signed a 20-year master contract in September 2011, which stipulates delivery of 16 An-158s to Iran, followed by assembly of another 64 aircraft on Iranian territory. Each An-148/158 is equipped with two D-436-148 engines and one auxiliary power unit AI-450-