{
  "id": "j-11",
  "name": "J-11 (Flanker-L)",
  "aliases": [],
  "domain": "air",
  "country": "CHN",
  "category": "Air superiority fighter",
  "status": null,
  "fielded": 1998,
  "operators": [
    "CHN"
  ],
  "prolif_count": 1,
  "summary": "The J-11 was finally born in 1998 as a Chinese version of the Soviet-designed Sukhoi Su-27SK air superiority fighter after China secured a $US2.5 billion production agreement which licensed China to build 200 Su-27SK aircraft using Russian-supplied kits.",
  "specs": [
    {
      "k": "",
      "label": "Manufacturer",
      "section": "system",
      "v": "Shenyang Aircraft Corporation",
      "src": [
        "weg-j-11"
      ],
      "conf": "medium"
    },
    {
      "k": "crew",
      "v": 1,
      "src": [
        "weg-j-11"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Hardpoints",
      "section": "armament",
      "v": "0: 2 under fuselage, 2 under air ducts, 4 under wings, 2 on wingtips with provisions to carry combinations of: Missiles: PL-12; PL-9; PL-8; Vympel R-77; Vympel…",
      "src": [
        "weg-j-11"
      ],
      "conf": "medium"
    },
    {
      "k": "length_m",
      "v": 21.9,
      "src": [
        "weg-j-11"
      ],
      "conf": "medium"
    },
    {
      "k": "width_m",
      "v": 14.7,
      "src": [
        "weg-j-11"
      ],
      "conf": "medium",
      "label": "Wingspan"
    },
    {
      "k": "height_m",
      "v": 5.92,
      "src": [
        "weg-j-11"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Wing area",
      "section": "dims",
      "v": "52.84 m2",
      "src": [
        "weg-j-11"
      ],
      "conf": "medium"
    },
    {
      "k": "mass_kg",
      "v": 16380,
      "src": [
        "weg-j-11"
      ],
      "conf": "medium",
      "label": "Empty weight"
    },
    {
      "k": "mass_kg",
      "v": 23926,
      "src": [
        "weg-j-11"
      ],
      "conf": "medium",
      "label": "Gross weight"
    },
    {
      "k": "engine_name",
      "v": "2 × Lyulka AL-31F or afterburning turbofan engines",
      "src": [
        "weg-j-11"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Thrust / power",
      "section": "mobility",
      "v": "75.22 / 123 kN (16,910 / 27,650 lbf) dry / afterburning",
      "src": [
        "weg-j-11"
      ],
      "conf": "medium"
    },
    {
      "k": "range_km",
      "v": 3530,
      "src": [
        "weg-j-11"
      ],
      "conf": "medium"
    },
    {
      "k": "speed_mach",
      "v": 2.1,
      "src": [
        "weg-j-11"
      ],
      "conf": "medium"
    },
    {
      "k": "ceiling_m",
      "v": 9000,
      "src": [
        "weg-j-11"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Combat range",
      "section": "mobility",
      "v": "1,500 km",
      "src": [
        "weg-j-11"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "G limits",
      "section": "mobility",
      "v": "+9",
      "src": [
        "weg-j-11"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Rate of climb",
      "section": "mobility",
      "v": "300 m/s",
      "src": [
        "weg-j-11"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Fire Control Radar",
      "section": "firecontrol",
      "v": "NIIP Tikhomirov N001VE Myech coherent pulse Doppler radar. J-11B to be equipped with AESA radar.",
      "src": [
        "weg-j-11"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Optic System",
      "section": "firecontrol",
      "v": "OEPS-27 electro-optic system",
      "src": [
        "weg-j-11"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "HUD",
      "section": "firecontrol",
      "v": "NSts-27 helmet-mounted sight (HMS)",
      "src": [
        "weg-j-11"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "ECM",
      "section": "firecontrol",
      "v": "Gardeniya ECM pods",
      "src": [
        "weg-j-11"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "NBC Protection",
      "section": "protection",
      "v": "Yes",
      "src": [
        "weg-j-11"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "EW countermeasures",
      "section": "protection",
      "v": "Yes",
      "src": [
        "weg-j-11"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Missile Systems: missile options",
      "section": "armament",
      "v": "PL-12 PL-9 PL-8 Vympel R-77 Vympel R-27 Vympel R-73",
      "src": [
        "weg-j-11"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Rocket Weapon Systems",
      "section": "armament",
      "v": "Unguided rocket launcher",
      "src": [
        "weg-j-11"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Bomb Weapon Systems",
      "section": "armament",
      "v": "Free-fall cluster bombs",
      "src": [
        "weg-j-11"
      ],
      "conf": "medium"
    },
    {
      "k": "armament",
      "v": "Gryazev-Shipunov GSh-30-1; PL-9",
      "src": [
        "weg-j-11"
      ],
      "conf": "medium"
    }
  ],
  "payloads": [
    {
      "name": "Gryazev-Shipunov GSh-30-1",
      "role": "Autocannon",
      "src": [
        "weg-j-11"
      ],
      "conf": "medium",
      "caps": {
        "Type": "Autocannon",
        "Caliber": "30 mm",
        "Rate of fire": "1,800 rounds/min"
      },
      "range_km": 1.8,
      "qty": "150 Rounds"
    },
    {
      "name": "PL-9",
      "role": "Air-to-Air Missile",
      "src": [
        "weg-j-11"
      ],
      "conf": "medium",
      "caps": {
        "Type": "Air-to-Air Missile",
        "Guidance": "multi-element infrared",
        "Warhead": "11.8kg blast-frag, or expanding rod (RF-fuse)",
        "Speed": "Mach 2.0",
        "Length": "2.9m"
      },
      "range_km": 22
    }
  ],
  "variants": [
    {
      "name": "J-11A",
      "text": "Chinese/Russian assembled Su-27SK from Russian-made kits. 104 were built. They were later upgraded with MAWS. Unconfirmed upgrades include improved cockpit displays, and fire control systems for R-77 or PL-10 missiles. It is also called J-11.",
      "src": [
        "weg-j-11"
      ]
    },
    {
      "name": "J-11B",
      "text": "Indigenously-produced version using Chinese technology, and the first J-11 variant to use the WS-10A turbofan. The airframe is slightly lighter due to greater use of composites. It has new avionics, a glass cockpit, MAWS, and onboard oxygen generator system.",
      "src": [
        "weg-j-11"
      ]
    },
    {
      "name": "J-11BS",
      "text": "A twin-seat version of the J-11B. In 2012, the number of J-11B and J-11BS in service was over 120.",
      "src": [
        "weg-j-11"
      ]
    },
    {
      "name": "J-11BH",
      "text": "Naval version of the J-11B. It was first sighted in May 2010.",
      "src": [
        "weg-j-11"
      ]
    },
    {
      "name": "J-11BSH",
      "text": "Naval version of the J-11BS.",
      "src": [
        "weg-j-11"
      ]
    },
    {
      "name": "J-15",
      "text": "Carrier-based version based on the J-11B, incorporating structural elements from the Sukhoi Su-33 prototype purchased from Ukraine in 2001. It uses avionics from the J-11B.",
      "src": [
        "weg-j-11"
      ]
    },
    {
      "name": "J-16",
      "text": "Twin-seat strike fighter based on Russian Sukhoi Su-30MKK sold to China in 2000.[33] A further development of the J-11BS.",
      "src": [
        "weg-j-11"
      ]
    },
    {
      "name": "J-11D",
      "text": "Variant with fixed electronically scanned array radar, IRST, and capability to fire heavier imaging/infrared (IIR) air-to-air missiles.",
      "src": [
        "weg-j-11"
      ]
    }
  ],
  "art": "fighter",
  "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/j-11.html",
  "sources": {
    "weg-j-11": {
      "title": "J-11 (Flanker-L) Chinese Air Superiority Fighter",
      "publisher": "U.S. Army TRADOC G-2 Worldwide Equipment Guide (ODIN)",
      "url": "https://odin.t2com.army.mil/WEG/Asset/J-11_Flanker-L_Chinese_Air_Superiority_Fighter",
      "published": "2026-03-20",
      "tier": 1,
      "checked": "2026-10-10"
    }
  }
}