Vladivostok. May 20. VOSTOK-MEDIA - Last week in Moscow, the VI International Helicopter Exhibition HeliRussia-2013. In just a few years, it became the largest specialized event in Europe, ahead of the number of participants and exhibitors similar sites in the UK and the Czech Republic.This year HeliRussia finally gained a clear and logical concept that puts it on a par with the worlds leading helicopter salons. The exhibition featured more than 200 domestic and foreign companies from 18 countries.