The Russian Federation has decided to adopt the new QNH flight performance standards!
February 13, 2017
Since August 2016, the Federal Air Transport Agency, together with the Federal State Unitary Enterprise “State ATM Corporation” (a subsidiary of the North-West Air Navigation Department), have begun work on the transition to the new system. From February 2, 2017, the crews of Russian and foreign aircraft arriving and departing from St. Petersburg Pulkovo Airport, switched to the new QNH flight performance standards for Russia - flying at atmospheric pressure, the values of which are given to mean sea level .
https://www.favt.ru/novosti-novosti/?id=3288