Su-30 Russian HQ

The Sukhoi Su-30 (Cyrillic: Сухой Су-30; NATO reporting name: Flanker-C) is a twin-engine, two-seat supermaneuverable fighter aircraft developed by Russia's Sukhoi Aviation Corporation. It is a multirole fighter for all-weather, air-to-air and air-to-surface deep interdiction missions. 

Installation: 

please read the pinned comment in the comment section on the right side of the page, for Add on installation or read it from rar file, for Replace there is a readme file in the rar file.