The Antonov An-70 is a next-generation four-engine medium-distance transport aircraft, and the first large aircraft to be powered by propfan engines. First flown in 1994, this aircraft is currently awaiting orders. The Antonov An-70 was present at the 2003 MAKS ( Moscow Air Show ) where it managed to maze the crowd with a stunning air display. Also check out the sound those propfan engines produce…