The official dollar-rouble exchange rate, announced by Russia's Central Bank for June 18th, equals 31.3903 roubles per US dollar, the bank's external and public relations department told RIA Novosti.
The rate fell by 0.62 kopecks compared to the previous one.
The euro exchange rate for June 18th amounts to 29.6889 roubles per euro. It rose by 2.86 kopecks compared to the previous figure.
First and foremost, it goes about the replacement of the French-Russian SaM146 engine with the Russian PD-8 aircraft engine