{
  "id": "sohn-won-il",
  "name": "Sohn Won-IL Class",
  "aliases": [],
  "domain": "naval",
  "country": "KOR",
  "category": "Diesel-electric submarine",
  "status": null,
  "fielded": 2007,
  "operators": [
    "KOR"
  ],
  "prolif_count": 1,
  "summary": "This is an expanded version of the Type 212 class. Program development began in 1988.",
  "specs": [
    {
      "k": "crew",
      "v": 40,
      "src": [
        "weg-sohn-won-il"
      ],
      "conf": "medium"
    },
    {
      "k": "length_m",
      "v": 65,
      "src": [
        "weg-sohn-won-il"
      ],
      "conf": "medium"
    },
    {
      "k": "beam_m",
      "v": 6.3,
      "src": [
        "weg-sohn-won-il"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Draft",
      "section": "dims",
      "v": "6.0 m",
      "src": [
        "weg-sohn-won-il"
      ],
      "conf": "medium"
    },
    {
      "k": "displacement_t",
      "v": 1980,
      "src": [
        "weg-sohn-won-il"
      ],
      "conf": "medium",
      "label": "Displacement (submerged)"
    },
    {
      "k": "propulsion",
      "v": "2 x MTU 16V 396-series",
      "src": [
        "weg-sohn-won-il"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Engine power",
      "section": "mobility",
      "v": "3,875 total bhp",
      "src": [
        "weg-sohn-won-il"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Endurance",
      "section": "mobility",
      "v": "14 days",
      "src": [
        "weg-sohn-won-il"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Diving depth",
      "section": "mobility",
      "v": "400 m max",
      "src": [
        "weg-sohn-won-il"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Combat System",
      "section": "firecontrol",
      "v": "1 x STN Atlas Elektronik ISUS 90",
      "src": [
        "weg-sohn-won-il"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Radars and sonars",
      "section": "firecontrol",
      "v": "ISUS90-20",
      "src": [
        "weg-sohn-won-il"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Bow Passive Sonar",
      "section": "firecontrol",
      "v": "1 x cylindrical medium frequency bow passive array",
      "src": [
        "weg-sohn-won-il"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Passive Flank Array Sonar",
      "section": "firecontrol",
      "v": "1 x FAS-3 low/medium frequency passive flank array",
      "src": [
        "weg-sohn-won-il"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Towed Linear Array Sonar",
      "section": "firecontrol",
      "v": "1 x TAS90 low-frequency towed linear array system",
      "src": [
        "weg-sohn-won-il"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Mine Detection Sonar",
      "section": "firecontrol",
      "v": "1 x Atlas Elektronik MOA 3070 mine detection sonar",
      "src": [
        "weg-sohn-won-il"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "NBC Water Washdown System",
      "section": "protection",
      "v": "Yes",
      "src": [
        "weg-sohn-won-il"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Electronic Warfare",
      "section": "protection",
      "v": "1 x FLU1800 suite",
      "src": [
        "weg-sohn-won-il"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Torpedo and Mine System: torpedo tubes",
      "section": "armament",
      "v": "8 x 533-mm bow tubes",
      "src": [
        "weg-sohn-won-il"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Torpedo and Mine System: torpedo type",
      "section": "armament",
      "v": "Atlas Elektronik DM2A4 anti-ship torpedoes and UGM-84C Harpoon SSM",
      "src": [
        "weg-sohn-won-il"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Torpedo and Mine System: basic load",
      "section": "armament",
      "v": "14",
      "src": [
        "weg-sohn-won-il"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Torpedo and Mine System: mines",
      "section": "armament",
      "v": "28 x Total vice torpedoes",
      "src": [
        "weg-sohn-won-il"
      ],
      "conf": "medium"
    },
    {
      "k": "hulls",
      "v": 9,
      "src": [
        "weg-sohn-won-il"
      ],
      "conf": "medium",
      "note": "Hulls listed in the source card"
    }
  ],
  "payloads": [],
  "variants": [
    {
      "name": "SOHN WON-IL",
      "text": "Commissioned: 2007 Status: Active",
      "src": [
        "weg-sohn-won-il"
      ]
    },
    {
      "name": "JEONGJI",
      "text": "Commissioned: 2007 Status: Active",
      "src": [
        "weg-sohn-won-il"
      ]
    },
    {
      "name": "AHN JUNG-GEUN",
      "text": "Commissioned: 2014 Status: Active",
      "src": [
        "weg-sohn-won-il"
      ]
    },
    {
      "name": "KIM JWA-JIN",
      "text": "Commissioned: 2014 Status: Active",
      "src": [
        "weg-sohn-won-il"
      ]
    },
    {
      "name": "YUN BONG-GIL HAM",
      "text": "Commissioned: 2016 Status: Active",
      "src": [
        "weg-sohn-won-il"
      ]
    },
    {
      "name": "YU GWAN-SUN",
      "text": "Commissioned: 2018 Status: Active",
      "src": [
        "weg-sohn-won-il"
      ]
    },
    {
      "name": "HONG BEOM-DO",
      "text": "Commissioned: 2018 Status: Active",
      "src": [
        "weg-sohn-won-il"
      ]
    },
    {
      "name": "LEE BEOM SEOK",
      "text": "Commissioned: 2018 Status: Building",
      "src": [
        "weg-sohn-won-il"
      ]
    }
  ],
  "art": "submarine",
  "image": {
    "file": "sohn-won-il.jpg",
    "thumb": "sohn-won-il-thumb.jpg",
    "credit": "Lou Rosales (Mass Communication Specialist 1st Class at the U.S. Navy)",
    "license": "Public domain",
    "url": "https://commons.wikimedia.org/wiki/File:USS_Nimitz_(CVN_68)_%26_ROKS_Son_Won-il_(SS_072)_in_Busan,_ROK.jpg",
    "title": "File:USS Nimitz (CVN 68) & ROKS Son Won-il (SS 072) in Busan, ROK.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/sohn-won-il.html",
  "sources": {
    "weg-sohn-won-il": {
      "title": "Sohn Won-IL Class South Korean Diesel-Electric Submarine",
      "publisher": "U.S. Army TRADOC G-2 Worldwide Equipment Guide (ODIN)",
      "url": "https://odin.t2com.army.mil/WEG/Asset/Sohn_Won-IL_Class_South_Korean_Diesel-Electric_Submarine",
      "published": "2026-03-20",
      "tier": 1,
      "checked": "2026-10-10"
    }
  }
}