{
  "id": "udaloy",
  "name": "Udaloy Class (Project 1155 Fregat Class)",
  "aliases": [],
  "domain": "naval",
  "country": "RUS",
  "category": "Anti-submarine guided-missile destroyer",
  "status": null,
  "fielded": 1980,
  "operators": [
    "RUS"
  ],
  "prolif_count": 1,
  "summary": "The Udaloy class, Russian designations Project 1155 Fregat and Project 11551 Fregat-M (Russian: Фрегат, 'Fregat' meaning Frigate), are a series of anti-submarine guided-missile destroyers built for the Soviet Navy, seven of which are currently in service with the Russian Navy.",
  "specs": [
    {
      "k": "crew",
      "v": 249,
      "src": [
        "weg-udaloy"
      ],
      "conf": "medium"
    },
    {
      "k": "length_m",
      "v": 163.5,
      "src": [
        "weg-udaloy"
      ],
      "conf": "medium"
    },
    {
      "k": "beam_m",
      "v": 19.3,
      "src": [
        "weg-udaloy"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Draft",
      "section": "dims",
      "v": "7.50 m",
      "src": [
        "weg-udaloy"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Displacement (standard)",
      "section": "dims",
      "v": "6,900 tons",
      "src": [
        "weg-udaloy"
      ],
      "conf": "medium"
    },
    {
      "k": "displacement_t",
      "v": 8400,
      "src": [
        "weg-udaloy"
      ],
      "conf": "medium",
      "label": "Displacement (full load)"
    },
    {
      "k": "propulsion",
      "v": "COGAG M-9 plant",
      "src": [
        "weg-udaloy"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Engine power",
      "section": "mobility",
      "v": "60,000 total shp",
      "src": [
        "weg-udaloy"
      ],
      "conf": "medium"
    },
    {
      "k": "range_km",
      "v": 3704,
      "src": [
        "weg-udaloy"
      ],
      "conf": "medium",
      "note": "2,000 nm at 29 knots; 5,700 nm at 18 knots"
    },
    {
      "k": "speed_kt",
      "v": 29.5,
      "src": [
        "weg-udaloy"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "3-D Air Search Radar",
      "section": "firecontrol",
      "v": "1 x MR-760MA Fregat MA (NATO: Top Plate) 3D air search.",
      "src": [
        "weg-udaloy"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Surface / Air Search Radar",
      "section": "firecontrol",
      "v": "1 x MR-320M Topaz-V (NATO: Strut Pair) surface/air search.",
      "src": [
        "weg-udaloy"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Navigation Radar",
      "section": "firecontrol",
      "v": "3 x MR-212/201 Vaygach-U (NATO: Palm Frond) navigation.",
      "src": [
        "weg-udaloy"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "KT-100 VLS Launcher Fire Control System (FCS)",
      "section": "firecontrol",
      "v": "2 x Drakon (NATO: Eye Bowl) fire control for KT-100 VLS Launcher.",
      "src": [
        "weg-udaloy"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "PU 4S-95 VLS system Fire Control System (FCS)",
      "section": "firecontrol",
      "v": "1 x Cross Sword FCS.",
      "src": [
        "weg-udaloy"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "AK-100 Fire Control System (FCS)",
      "section": "firecontrol",
      "v": "1 x MR-145 Lev (NATO: Kite Screech-B) fire control for AK-100 guns.",
      "src": [
        "weg-udaloy"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "AK-630M Fire Control System (FCS)",
      "section": "firecontrol",
      "v": "2 x MR-123 Vympel (NATO: Bass Tilt) fire control forAK-630M.",
      "src": [
        "weg-udaloy"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Sonar Suite",
      "section": "firecontrol",
      "v": "1 x MGK-355 Polinom Suite.",
      "src": [
        "weg-udaloy"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Bow-Mounted Active Low/Medium Frequency Sonar",
      "section": "firecontrol",
      "v": "1 x Orion (NATO: Horse Jaw) bow-mounted active low/medium frequency.",
      "src": [
        "weg-udaloy"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Low-Frequency Variable Depth Sonar",
      "section": "firecontrol",
      "v": "1 x MGK-335 Platina (NATO: Horse Tail) low-frequency variable depth.",
      "src": [
        "weg-udaloy"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Hull Armor",
      "section": "protection",
      "v": "UDALOYs have a long forecastle with a prominent knuckle extending aft to abaft the second pair of stacks.",
      "src": [
        "weg-udaloy"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Countermeasures",
      "section": "protection",
      "v": "Countermeasures include the IR laser detector array and PK-2 ship-borne decoy launching system. The system includes decoy launchers, decoy rockets, control consoles and radar.",
      "src": [
        "weg-udaloy"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "NBC Water Washdown System",
      "section": "protection",
      "v": "Yes",
      "src": [
        "weg-udaloy"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "EW Intercept",
      "section": "protection",
      "v": "2 x Start-2 (NATO: Bell Shroud) w/Wine Glass intercept.",
      "src": [
        "weg-udaloy"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Anti-Submarine Weapon (ASW) System: torpedo tubes",
      "section": "armament",
      "v": "2 x quad 533-mm CLTA-53-1155 tubes",
      "src": [
        "weg-udaloy"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Anti-Submarine Weapon (ASW) System: torpedo name",
      "section": "armament",
      "v": "Type 53 or Type 65 torpedoes",
      "src": [
        "weg-udaloy"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Anti-Submarine Weapon (ASW) System: torpedo basic load",
      "section": "armament",
      "v": "30 x Type 53 or Type 65 torpedoes",
      "src": [
        "weg-udaloy"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Anti-Submarine Weapon (ASW) System: rocket launcher",
      "section": "armament",
      "v": "2 x RBU-6000 rocket launchers",
      "src": [
        "weg-udaloy"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Anti-Submarine Weapon (ASW) System: rocket name",
      "section": "armament",
      "v": "RGB-12 Rockets",
      "src": [
        "weg-udaloy"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Anti-Submarine Weapon (ASW) System: rocket basic load",
      "section": "armament",
      "v": "96 x RGB-12 Rockets",
      "src": [
        "weg-udaloy"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Mine System: mine launcher",
      "section": "armament",
      "v": "2 x Rail Launchers",
      "src": [
        "weg-udaloy"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Aviation Facilities: facilities",
      "section": "armament",
      "v": "Helipad and hangar",
      "src": [
        "weg-udaloy"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Aviation Facilities: helicopters",
      "section": "armament",
      "v": "2 × Ka-27 series helicopters",
      "src": [
        "weg-udaloy"
      ],
      "conf": "medium"
    },
    {
      "k": "armament",
      "v": "2 x AK-100 100mm Naval Cannon; 4 x AK-630M 30mm CIWS; RPK-3 Metel; NATO: SS-N-14 Silex; 9M-330 Tor M1/Gauntlet missiles",
      "src": [
        "weg-udaloy"
      ],
      "conf": "medium"
    },
    {
      "k": "hulls",
      "v": 12,
      "src": [
        "weg-udaloy"
      ],
      "conf": "medium",
      "note": "Hulls listed in the source card"
    }
  ],
  "payloads": [
    {
      "name": "2 x AK-100 100mm Naval Cannon",
      "role": "Naval Cannon",
      "src": [
        "weg-udaloy"
      ],
      "conf": "medium",
      "caps": {
        "Type": "Naval Cannon",
        "Caliber": "100 mm",
        "Rate of fire": "50 to 60 rounds per minute"
      }
    },
    {
      "name": "4 x AK-630M 30mm CIWS",
      "role": "Close-In Weapon System (CIWS)",
      "src": [
        "weg-udaloy"
      ],
      "conf": "medium",
      "caps": {
        "Type": "Close-In Weapon System (CIWS)",
        "Caliber": "30 mm",
        "Rate of fire": "4,000–5,000 rounds/min"
      },
      "range_km": 5
    },
    {
      "name": "RPK-3 Metel; NATO: SS-N-14 Silex",
      "role": "Ant-Submarine Missile",
      "src": [
        "weg-udaloy"
      ],
      "conf": "medium",
      "caps": {
        "Type": "Ant-Submarine Missile",
        "Guidance": "command radio and inertial; acoustic terminal homing; KARA and KRESTA II classes have Head Lights D/F/G/H-band fire-cont",
        "Warhead": "conventional high-explosive (ASW homing torpedo) or nuclear depth bomb",
        "Speed": "Mach 0.95 at 750 m",
        "Launcher": "2 x quadruple KT-100 VLS launchers",
        "Length": "7.2 m"
      },
      "range_km": 56,
      "qty": "8x RPK-3 Metel (SS-N-14 Silex)"
    },
    {
      "name": "9M-330 Tor M1/Gauntlet missiles",
      "role": "Surface-to-Air Missile (SAM)",
      "src": [
        "weg-udaloy"
      ],
      "conf": "medium",
      "caps": {
        "Type": "Surface-to-Air Missile (SAM)",
        "Warhead": "Conventional high-explosive",
        "Launcher": "8 8-round PU 4S-95 VLS system launcher"
      },
      "range_km": 12,
      "qty": "8 x 9M-330 Tor M1/Gauntlet missiles"
    }
  ],
  "variants": [
    {
      "name": "Udaloy",
      "text": "Commissioned: 1980 Status: Decommissioned in 1997 Fleet: No longer in Service",
      "src": [
        "weg-udaloy"
      ]
    },
    {
      "name": "Vice-Admiral Kulakov",
      "text": "Commissioned: 1981 Status: Modernization completed in 2010. Fleet: Northern Fleet",
      "src": [
        "weg-udaloy"
      ]
    },
    {
      "name": "Marshal Vasilyevsky",
      "text": "Commissioned: 1983 Status: Decommissioned Fleet: No Longer in Service",
      "src": [
        "weg-udaloy"
      ]
    },
    {
      "name": "Admiral Zakharov",
      "text": "Commissioned: 1983 Status: Caught fire in 1992 and scrapped Fleet: No Longer in Service",
      "src": [
        "weg-udaloy"
      ]
    },
    {
      "name": "Admiral Spiridonov",
      "text": "Commissioned: 1984 Status: Decommissioned in 2001 Fleet: No Longer in Service",
      "src": [
        "weg-udaloy"
      ]
    },
    {
      "name": "Admiral Tributs",
      "text": "Commissioned: 1985 Status: Active Fleet: Pacific Fleet",
      "src": [
        "weg-udaloy"
      ]
    },
    {
      "name": "Marshal Shaposhnikov",
      "text": "Commissioned: 1985 Status: Active Fleet: Pacific Fleet",
      "src": [
        "weg-udaloy"
      ]
    },
    {
      "name": "Severomorsk",
      "text": "Commissioned: 1987 Status: Active Fleet: Northern Fleet",
      "src": [
        "weg-udaloy"
      ]
    }
  ],
  "art": "submarine",
  "image": {
    "file": "udaloy.jpg",
    "thumb": "udaloy-thumb.jpg",
    "credit": "Photographer's Name: PH2 D. Beech",
    "license": "Public domain",
    "url": "https://commons.wikimedia.org/wiki/File:Udaloy1983.jpg",
    "title": "File:Udaloy1983.jpg"
  },
  "verified": null,
  "changelog": [
    {
      "date": "2026-10-10",
      "change": "Entry created from the Worldwide Equipment Guide (ODIN), bulk import"
    },
    {
      "date": "2026-10-10",
      "change": "Added photo (Public domain)"
    }
  ],
  "url": "https://www.defensepedia.com/systems/udaloy.html",
  "sources": {
    "weg-udaloy": {
      "title": "Udaloy Class (Project 1155 Fregat Class) Russian Anti-Submarine Guided-Missile Destroyer",
      "publisher": "U.S. Army TRADOC G-2 Worldwide Equipment Guide (ODIN)",
      "url": "https://odin.t2com.army.mil/WEG/Asset/Udaloy_Class_Project_1155_Fregat_Class_Russian_Anti-Submarine_Guided-Missile_Destroyer",
      "published": "2026-03-20",
      "tier": 1,
      "checked": "2026-10-10"
    }
  }
}