MRK of the Black Sea Fleet of the Russian Navy “Ingushetia” 630 project 21631 “Buyan-M”, armed with a 30-mm karable artillery mount AK-630M, eight cruise missiles OKR “Caliber” and four SAM “Igla-1M”, installed on the launcher 3M47 ” Gibka ”, went through the Bosphorus today towards the Mediterranean Sea.
The Buyan class, Russian designations Project 21630 Buyan and Project 21631 Buyan-M, are series of corvettes (small artillery and missile ships in Russian classification) developed by Zelenodolsk Design Bureau for the Russian Navy.
The 900-ton class Project 21631 Buyan-M is a stretched version of the 500-ton Buyan class gunboat. The Buyan-M features a larger and more sophisticated weapons payload including state-of-the-art missile systems. The 74-meter longship is intended to perform anti-surface warfare (ASuW) combat missions with secondary air defense capability thanks to four Igla-1M surface-to-air missiles (SAM).
The Buyan-M weapon system consists of a single A-190 100mm cannon, two AK-630M anti-aircraft guns, eight Club-S Kalibr anti-ship missiles, and four Igla-1M SAMs mounted on a 3M47 Gibka launcher. Besides, these vessels are equipped with a variety of 14.5mm and 7.62mm machine guns.