{
  "id": "sang-o",
  "name": "Sang-O Class",
  "aliases": [
    "SHARK"
  ],
  "domain": "naval",
  "country": "PRK",
  "category": "Diesel-electric submarine",
  "status": null,
  "fielded": 1991,
  "operators": [
    "PRK"
  ],
  "prolif_count": 1,
  "summary": "The Sang-o-class coastal submarine is smaller than Romeo- and Whiskey-class subs, but larger than a midget submarine. It is apparently intended for use in coastal defense missions, minelaying and special forces insertion.",
  "specs": [
    {
      "k": "",
      "label": "Units built",
      "section": "system",
      "v": "40 Sang-O Class Submarines in Total operating within North Korea",
      "src": [
        "weg-sang-o"
      ],
      "conf": "medium"
    },
    {
      "k": "crew",
      "v": 19,
      "src": [
        "weg-sang-o"
      ],
      "conf": "medium"
    },
    {
      "k": "length_m",
      "v": 35.5,
      "src": [
        "weg-sang-o"
      ],
      "conf": "medium"
    },
    {
      "k": "beam_m",
      "v": 3.8,
      "src": [
        "weg-sang-o"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Draft",
      "section": "dims",
      "v": "3.2 m",
      "src": [
        "weg-sang-o"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Displacement (surface)",
      "section": "dims",
      "v": "295 tons",
      "src": [
        "weg-sang-o"
      ],
      "conf": "medium"
    },
    {
      "k": "displacement_t",
      "v": 325,
      "src": [
        "weg-sang-o"
      ],
      "conf": "medium",
      "label": "Displacement (submerged)"
    },
    {
      "k": "",
      "label": "Propulsion",
      "section": "mobility",
      "v": "1 x diesel electric generator set",
      "src": [
        "weg-sang-o"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Engine power",
      "section": "mobility",
      "v": "300 bhp est",
      "src": [
        "weg-sang-o"
      ],
      "conf": "medium"
    },
    {
      "k": "range_km",
      "v": 5000,
      "src": [
        "weg-sang-o"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Radar",
      "section": "firecontrol",
      "v": "1 x Furuno navigation",
      "src": [
        "weg-sang-o"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Sonar",
      "section": "firecontrol",
      "v": "1 x passive array only",
      "src": [
        "weg-sang-o"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Torpedo version",
      "section": "armament",
      "v": "4 x bow 533-mm torpedo tubes, no reloads",
      "src": [
        "weg-sang-o"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Minelaying version",
      "section": "armament",
      "v": "16 x mines in external racks",
      "src": [
        "weg-sang-o"
      ],
      "conf": "medium"
    },
    {
      "k": "armament",
      "v": "53-65KE Torpedoes",
      "src": [
        "weg-sang-o"
      ],
      "conf": "medium"
    }
  ],
  "payloads": [
    {
      "name": "53-65KE Torpedoes",
      "role": "Type 53 torpedo",
      "src": [
        "weg-sang-o"
      ],
      "conf": "medium",
      "caps": {
        "Type": "Type 53 torpedo",
        "Guidance": "Wake homing",
        "Warhead": "307.6 kilograms (678 lb) high explosive",
        "Speed": "83 km/h",
        "Length": "7.2 m"
      },
      "range_km": 18
    }
  ],
  "variants": [
    {
      "name": "Note",
      "text": "There is no list of the names of each Sang-O Class Submarine. In Total there are 40 Sang-O Class Submarines operating in North Korea.",
      "src": [
        "weg-sang-o"
      ]
    }
  ],
  "art": "submarine",
  "image": {
    "file": "sang-o.jpg",
    "thumb": "sang-o-thumb.jpg",
    "credit": "Idobi",
    "license": "CC BY-SA 3.0",
    "url": "https://commons.wikimedia.org/wiki/File:Gangneung_sub_8990.jpg",
    "title": "File:Gangneung sub 8990.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 (CC BY-SA 3.0)"
    }
  ],
  "url": "https://www.defensepedia.com/systems/sang-o.html",
  "sources": {
    "weg-sang-o": {
      "title": "Sang-O Class North Korean Diesel-Electric Submarine",
      "publisher": "U.S. Army TRADOC G-2 Worldwide Equipment Guide (ODIN)",
      "url": "https://odin.t2com.army.mil/WEG/Asset/Sang-O_Class_North_Korean_Diesel-Electric_Submarine",
      "published": "2026-03-20",
      "tier": 1,
      "checked": "2026-10-10"
    }
  }
}