{
  "id": "kilo",
  "name": "Kilo (Project 877/636)",
  "aliases": [
    "Project 877",
    "Project 636 Varshavyanka"
  ],
  "domain": "naval",
  "country": "RUS",
  "category": "Diesel-electric attack submarine",
  "status": "in-service",
  "fielded": 1980,
  "operators": [
    "IND",
    "MMR",
    "RUS"
  ],
  "prolif_count": 3,
  "summary": "The Kilo Class (Project 877 Paltus) Russian Diesel-Electric Attack Submarine is a class of diesel-electric attack submarines designed and built in the Soviet Union for the Soviet Navy.",
  "specs": [
    {
      "k": "crew",
      "v": 57,
      "src": [
        "weg-kilo"
      ],
      "conf": "medium"
    },
    {
      "k": "length_m",
      "v": 72.6,
      "src": [
        "weg-kilo"
      ],
      "conf": "medium"
    },
    {
      "k": "beam_m",
      "v": 9.9,
      "src": [
        "weg-kilo"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Draft",
      "section": "dims",
      "v": "6.6 m",
      "src": [
        "weg-kilo"
      ],
      "conf": "medium"
    },
    {
      "k": "displacement_t",
      "v": 3076,
      "src": [
        "weg-kilo"
      ],
      "conf": "medium",
      "label": "Displacement (submerged)"
    },
    {
      "k": "propulsion",
      "v": "2 x Type 4-2DL42M",
      "src": [
        "weg-kilo"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Engine power",
      "section": "mobility",
      "v": "5,900 total shp; 1 6-bladed prop (except ALROSA: one pumpjet).",
      "src": [
        "weg-kilo"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Endurance",
      "section": "mobility",
      "v": "45 days",
      "src": [
        "weg-kilo"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Radars and sonars",
      "section": "firecontrol",
      "v": "1 x Zarnitsa (Skin Head) or 1 x Type 351 (Pot Head) Radar.",
      "src": [
        "weg-kilo"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Name",
      "section": "firecontrol",
      "v": "1 x MGK-400 Rubikon (NATO: Shark Gill).; 1 x MG-519 Arfa (NATO: Mouse Roar).; 1 x MG-555 sonar.; 1 x MG-512 sonar.; 1 x MG-53 sonar.; 1 x MRM-25EM (NATO: Squid Head) sonar.; 1 x 6701E (NATO: Quad Loop) sonar.",
      "src": [
        "weg-kilo"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Countermeasures",
      "section": "protection",
      "v": "Yes",
      "src": [
        "weg-kilo"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "NBC Water Washdown System",
      "section": "protection",
      "v": "Yes",
      "src": [
        "weg-kilo"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "EW Intercept",
      "section": "protection",
      "v": "1 x MRM-25EM (NATO: Squid Head) intercept.",
      "src": [
        "weg-kilo"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "EW Direction Finder",
      "section": "protection",
      "v": "1 x 6701E (NATO: Quad Loop) direction-finder.",
      "src": [
        "weg-kilo"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Torpedo System: torpedo tubes",
      "section": "armament",
      "v": "6 x 533-mm bow",
      "src": [
        "weg-kilo"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Torpedo System: torpedo",
      "section": "armament",
      "v": "SS-N-15A Starfish Torpedo",
      "src": [
        "weg-kilo"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Torpedo System: basic load",
      "section": "armament",
      "v": "18 x SS-N-15A Starfish Torpedoes",
      "src": [
        "weg-kilo"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Mine System: basic load",
      "section": "armament",
      "v": "24 x mines carried",
      "src": [
        "weg-kilo"
      ],
      "conf": "medium"
    },
    {
      "k": "armament",
      "v": "Igla-M missiles",
      "src": [
        "weg-kilo"
      ],
      "conf": "medium"
    },
    {
      "k": "hulls",
      "v": 18,
      "src": [
        "weg-kilo"
      ],
      "conf": "low",
      "note": "Hulls listed in the source card"
    }
  ],
  "payloads": [
    {
      "name": "Igla-M missiles",
      "role": "1 x shoulder-launched SAM system",
      "src": [
        "weg-kilo"
      ],
      "conf": "medium",
      "caps": {
        "Type": "1 x shoulder-launched SAM system",
        "Guidance": "Dual waveband infra-red (S-version",
        "Speed": "570 m/s"
      },
      "range_km": 6
    }
  ],
  "variants": [
    {
      "name": "Chita",
      "text": "Commissioned: Dec. 31, 1980. Status: Decommissioned in 2013, sank partially on way to scrap in 2019. Fleet: Pacific Fleet.",
      "src": [
        "weg-kilo"
      ]
    },
    {
      "name": "Vyborg",
      "text": "Commissioned: Feb. 23, 1983. Status: Decommissioned 2018 (exhibit patriot park Kronstadt). Fleet: Baltic Fleet.",
      "src": [
        "weg-kilo"
      ]
    },
    {
      "name": "Novosibirsk",
      "text": "Commissioned: Sept. 30, 1984. Status: Decommissioned 2012. Fleet: Northern Fleet.",
      "src": [
        "weg-kilo"
      ]
    },
    {
      "name": "Vologda",
      "text": "Commissioned: Dec. 30, 1984. Status: Decommissioned 2016. Fleet: Northern Fleet.",
      "src": [
        "weg-kilo"
      ]
    },
    {
      "name": "Dmitrov",
      "text": "Commissioned: Sept. 25, 1986. Status: Active. Fleet: Baltic Fleet.",
      "src": [
        "weg-kilo"
      ]
    },
    {
      "name": "(ex Tyumenskiy Komsomolets)",
      "text": "Commissioned: 30 December 1984. Status: Decommissioned 2002. Fleet: INA.",
      "src": [
        "weg-kilo"
      ]
    },
    {
      "name": "Svyatoi Nikolai Chudotvorets",
      "text": "Commissioned: 30 January 1988. Status: Active. Fleet: Pacific Fleet.",
      "src": [
        "weg-kilo"
      ]
    },
    {
      "name": "Yaroslavl",
      "text": "Commissioned: Dec. 30, 1988. Status: Active. Fleet: 27 December 1988.",
      "src": [
        "weg-kilo"
      ]
    }
  ],
  "art": "submarine",
  "image": {
    "file": "kilo.jpg",
    "thumb": "kilo-thumb.jpg",
    "credit": "Unknown author",
    "license": "Public domain",
    "url": "https://commons.wikimedia.org/wiki/File:Submarine_Kilo_class.jpg",
    "title": "File:Submarine Kilo class.jpg"
  },
  "verified": null,
  "changelog": [
    {
      "date": "2026-10-05",
      "change": "Entry created from the Worldwide Equipment Guide (ODIN)"
    },
    {
      "date": "2026-10-06",
      "change": "Added photo (Public domain)"
    }
  ],
  "url": "https://www.defensepedia.com/systems/kilo.html",
  "sources": {
    "weg-kilo": {
      "title": "Kilo Class (Project 877 Paltus) Russian Diesel-Electric Attack Submarine",
      "publisher": "U.S. Army TRADOC G-2 Worldwide Equipment Guide (ODIN)",
      "url": "https://odin.t2com.army.mil/WEG/Asset/Kilo_Class_Project_877_Paltus_Russian_Diesel-Electric_Attack_Submarine",
      "published": "2026-03-20",
      "tier": 1,
      "checked": "2026-10-10"
    }
  }
}