According to information published by Военный Осведомитель on April 12, 2022, the Russian Navy’s Project 11356R/М frigate Admiral Essen of the Black Sea Fleet of the Russian Navy destroyed a Ukrainian Bayraktar TB2 UAV off the coast of Crimea using the Stil-1 surface-to-air missile system.
The drone was on a reconnaissance mission to see the activities of the Black Sea Fleet ships, as well as coastal and ground positions of combat equipment of the Russian armed forces located on the Crimean peninsula and in the southern part of Ukraine. The defense ministry also published a corresponding video.
Admiral Essen is a frigate of the Admiral Grigorovich class of the Russian Navy named in honor of Admiral Nikolai Ottovich von Essen. It is based with the Black Sea Fleet at Sevastopol.
The ships of this class have a displacement of about 4,000 tonnes, a speed of 30 knots, and an endurance of 30 days.
Project 11356 is armed with Shtil-1 shipborne multi-channel medium-range air defense missile system (ADMS) is designed to provide all-around collective protection of naval groups and ship convoys, as well as individual protection of carrier ships from attacks of anti-ship missiles, aircraft, helicopters, boats, and vessels.