Admiral Isakov was equipped with the MR-600 Voskhod (NATO code name Top Sail) early warning air search radar, the MR-310U Angara-M (NATO code name Head Net C) search radar, and the Volga (NATO code names Don Kay and Don-2) navigational radar. For anti-submarine warfare she had improved MG-332T Titan-2T hull-mounted sonar.[8] She had two Grom (SA-N-1) and two MR-103 Bars (AK-725) fire-control systems.