{
  "id": "romeo",
  "name": "Romeo Class (Project 633 Class)",
  "aliases": [],
  "domain": "naval",
  "country": "RUS",
  "category": "Diesel-electric submarine",
  "status": null,
  "fielded": 1957,
  "operators": [
    "RUS",
    "EGY",
    "PRK"
  ],
  "prolif_count": 2,
  "summary": "Romeo Class (Project 633 Class) Russian Diesel-Electric Submarine is a class of Soviet diesel-electric submarine, built between 1957 and 1961. A Chinese variant - Type 033 - was built in China from 1962 to 1984.",
  "specs": [
    {
      "k": "crew",
      "v": 51,
      "src": [
        "weg-romeo"
      ],
      "conf": "medium"
    },
    {
      "k": "length_m",
      "v": 76.6,
      "src": [
        "weg-romeo"
      ],
      "conf": "medium"
    },
    {
      "k": "beam_m",
      "v": 6.7,
      "src": [
        "weg-romeo"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Draft",
      "section": "dims",
      "v": "5.0 m",
      "src": [
        "weg-romeo"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Displacement (surface)",
      "section": "dims",
      "v": "1,319 tons",
      "src": [
        "weg-romeo"
      ],
      "conf": "medium"
    },
    {
      "k": "displacement_t",
      "v": 1712,
      "src": [
        "weg-romeo"
      ],
      "conf": "medium",
      "label": "Displacement (submerged)"
    },
    {
      "k": "propulsion",
      "v": "Type 37D",
      "src": [
        "weg-romeo"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Engine power",
      "section": "mobility",
      "v": "2,700 total bhp; 2 shafts",
      "src": [
        "weg-romeo"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Radars and sonars",
      "section": "firecontrol",
      "v": "1 x Snoop Plate radar",
      "src": [
        "weg-romeo"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Name",
      "section": "firecontrol",
      "v": "1 x 1 Tamir-5L Active Sonar",
      "src": [
        "weg-romeo"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "NBC Water Washdown System",
      "section": "protection",
      "v": "Yes",
      "src": [
        "weg-romeo"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Electronic Warfare",
      "section": "protection",
      "v": "1 x MRP-11-14 series Stop Light intercept",
      "src": [
        "weg-romeo"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Torpedo Launcher: number of tubes",
      "section": "armament",
      "v": "6 forward 533-mm and 2 aft 533-mm torpedo tubes.",
      "src": [
        "weg-romeo"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Mines",
      "section": "armament",
      "v": "Can carry 28 mines in lieu of torpedoes.",
      "src": [
        "weg-romeo"
      ],
      "conf": "medium"
    },
    {
      "k": "armament",
      "v": "SAET-60; Type 53-65",
      "src": [
        "weg-romeo"
      ],
      "conf": "medium"
    }
  ],
  "payloads": [
    {
      "name": "SAET-60",
      "role": "Heavy Weight Torpedo",
      "src": [
        "weg-romeo"
      ],
      "conf": "medium",
      "caps": {
        "Type": "Heavy Weight Torpedo",
        "Guidance": "Homing Passive acoustic homing",
        "Speed": "42 kt",
        "Length": "7.80 m"
      },
      "range_km": 13,
      "qty": "14 x SAET-60 Heavy Weight Torpedo"
    },
    {
      "name": "Type 53-65",
      "role": "Torpedo",
      "src": [
        "weg-romeo"
      ],
      "conf": "medium",
      "caps": {
        "Type": "Torpedo",
        "Guidance": "Wake homing",
        "Warhead": "307.6 kilograms (678 lb) high explosive",
        "Speed": "83 km/h",
        "Length": "7.2 m"
      },
      "range_km": 18,
      "qty": "14 x Type 53-65 Torpedo"
    }
  ],
  "variants": [
    {
      "name": "Chinese Type 033 Romeo-class and its var",
      "text": "Under the 1950 Sino-Soviet Friendship and Mutual Assistance Treaty, the Soviets passed to China (and later to North Korea) the documentation necessary to produce Romeo submarines in 1963. The Chinese variant is known as the Type 033 Romeo.",
      "src": [
        "weg-romeo"
      ]
    }
  ],
  "art": "submarine",
  "image": null,
  "verified": null,
  "changelog": [
    {
      "date": "2026-10-10",
      "change": "Entry created from the Worldwide Equipment Guide (ODIN), bulk import"
    }
  ],
  "url": "https://www.defensepedia.com/systems/romeo.html",
  "sources": {
    "weg-romeo": {
      "title": "Romeo Class (Project 633 Class) Russian Diesel-Electric Submarine",
      "publisher": "U.S. Army TRADOC G-2 Worldwide Equipment Guide (ODIN)",
      "url": "https://odin.t2com.army.mil/WEG/Asset/Romeo_Class_Project_633_Class_Russian_Diesel-Electric_Submarine",
      "published": "2026-03-20",
      "tier": 1,
      "checked": "2026-10-10"
    }
  }
}