{
  "id": "su-27sk",
  "name": "Su-27SK (Flanker-B)",
  "aliases": [
    "l Flanker-B"
  ],
  "domain": "air",
  "country": "RUS",
  "category": "Multirole fighter",
  "status": null,
  "fielded": 1987,
  "operators": [
    "AGO",
    "CHN",
    "IDN",
    "RUS",
    "VNM"
  ],
  "prolif_count": 5,
  "summary": "Su-27SK Export Su-27S single-seater. Exported to China in 1992-1996 and developed into Shenyang J-11.",
  "specs": [
    {
      "k": "",
      "label": "Manufacturer",
      "section": "system",
      "v": "Sukhoi",
      "src": [
        "weg-su-27sk"
      ],
      "conf": "medium"
    },
    {
      "k": "crew",
      "v": 1,
      "src": [
        "weg-su-27sk"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Hardpoints",
      "section": "armament",
      "v": "10 external pylons with a capacity of up to 4,430 kg (9,770 lb)",
      "src": [
        "weg-su-27sk"
      ],
      "conf": "medium"
    },
    {
      "k": "length_m",
      "v": 21.9,
      "src": [
        "weg-su-27sk"
      ],
      "conf": "medium"
    },
    {
      "k": "width_m",
      "v": 14.7,
      "src": [
        "weg-su-27sk"
      ],
      "conf": "medium",
      "label": "Wingspan"
    },
    {
      "k": "height_m",
      "v": 5.92,
      "src": [
        "weg-su-27sk"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Wing area",
      "section": "dims",
      "v": "62 m2",
      "src": [
        "weg-su-27sk"
      ],
      "conf": "medium"
    },
    {
      "k": "mass_kg",
      "v": 16380,
      "src": [
        "weg-su-27sk"
      ],
      "conf": "medium",
      "label": "Empty weight"
    },
    {
      "k": "mass_kg",
      "v": 23430,
      "src": [
        "weg-su-27sk"
      ],
      "conf": "medium",
      "label": "Gross weight"
    },
    {
      "k": "engine_name",
      "v": "2 × Saturn AL-31F afterburning turbofan engines",
      "src": [
        "weg-su-27sk"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Thrust / power",
      "section": "mobility",
      "v": "75.22 kN (16,910 lbf) thrust each dry, 122.6 kN (27,600 lbf) with afterburner",
      "src": [
        "weg-su-27sk"
      ],
      "conf": "medium"
    },
    {
      "k": "speed_kmh",
      "v": 2500,
      "src": [
        "weg-su-27sk"
      ],
      "conf": "medium"
    },
    {
      "k": "ceiling_m",
      "v": 19000,
      "src": [
        "weg-su-27sk"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "G limits",
      "section": "mobility",
      "v": "+9",
      "src": [
        "weg-su-27sk"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Rate of climb",
      "section": "mobility",
      "v": "300 m/s",
      "src": [
        "weg-su-27sk"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Thrust-to-weight",
      "section": "mobility",
      "v": "1.07 with 56% internal fuel; 0.91 with full fuel",
      "src": [
        "weg-su-27sk"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Fire Control Radar",
      "section": "firecontrol",
      "v": "Phazotron Zhuk-MSE radar",
      "src": [
        "weg-su-27sk"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Navigation Radar",
      "section": "firecontrol",
      "v": "N001E radar",
      "src": [
        "weg-su-27sk"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Targeting System",
      "section": "firecontrol",
      "v": "OEPS-27 electro-optical targeting system",
      "src": [
        "weg-su-27sk"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Radar Warning Receiver",
      "section": "firecontrol",
      "v": "SPO-15 Radar Warning Receiver",
      "src": [
        "weg-su-27sk"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "IRST",
      "section": "firecontrol",
      "v": "OEPS-27 IRST",
      "src": [
        "weg-su-27sk"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "NBC Protection",
      "section": "protection",
      "v": "Yes",
      "src": [
        "weg-su-27sk"
      ],
      "conf": "medium"
    },
    {
      "k": "armament",
      "v": "Gryazev-Shipunov GSh-30-1; Vympel R-27 (AA-10 Alamo); R-73E; S-8KOM; S-13T; RBK-250; RBK-500",
      "src": [
        "weg-su-27sk"
      ],
      "conf": "medium"
    }
  ],
  "payloads": [
    {
      "name": "Gryazev-Shipunov GSh-30-1",
      "role": "Autocannon",
      "src": [
        "weg-su-27sk"
      ],
      "conf": "medium",
      "caps": {
        "Type": "Autocannon",
        "Caliber": "30mm",
        "Rate of fire": "1,800 rounds/min"
      },
      "range_km": 1.8,
      "qty": "150 Rounds"
    },
    {
      "name": "Vympel R-27 (AA-10 Alamo)",
      "role": "Air-to-Air Missile",
      "src": [
        "weg-su-27sk"
      ],
      "conf": "medium",
      "caps": {
        "Type": "Air-to-Air Missile"
      },
      "qty": "6 × R-27R/ER/T/ET/P/EP air-to-air missiles"
    },
    {
      "name": "R-73E",
      "role": "Air-to-Air Missile",
      "src": [
        "weg-su-27sk"
      ],
      "conf": "medium",
      "caps": {
        "Type": "Air-to-Air Missile"
      },
      "qty": "4 × R-73E AAMs"
    },
    {
      "name": "S-8KOM",
      "role": "HEAT Rocket",
      "src": [
        "weg-su-27sk"
      ],
      "conf": "medium",
      "caps": {
        "Type": "HEAT Rocket",
        "Warhead weight": "3.6 kg (1.1 kg of Hecphol-5/A-IX-10 explosive)"
      },
      "range_km": [
        1,
        4
      ]
    },
    {
      "name": "S-13T",
      "role": "Tandem HEAT",
      "src": [
        "weg-su-27sk"
      ],
      "conf": "medium",
      "caps": {
        "Type": "Tandem HEAT",
        "Warhead weight": "21 kg and 16.3 kg (1.8 kg and 2.7 kg of explosives)"
      },
      "range_km": [
        1,
        4
      ]
    },
    {
      "name": "RBK-250",
      "role": "Cluster Bomb",
      "src": [
        "weg-su-27sk"
      ],
      "conf": "medium",
      "caps": {
        "Type": "Cluster Bomb"
      }
    },
    {
      "name": "RBK-500",
      "role": "Cluster Bomb",
      "src": [
        "weg-su-27sk"
      ],
      "conf": "medium",
      "caps": {
        "Type": "Cluster Bomb"
      }
    }
  ],
  "variants": [
    {
      "name": "T10 (\"Flanker-A\")",
      "text": "Initial prototype configuration.",
      "src": [
        "weg-su-27sk"
      ]
    },
    {
      "name": "T10S",
      "text": "Improved prototype configuration, more similar to production spec.",
      "src": [
        "weg-su-27sk"
      ]
    },
    {
      "name": "P-42",
      "text": "Special version built to beat climb time records. The aircraft had all armament, radar and paint removed, which reduced weight to 14,100 kg. It also had improved engines. Similar to the US F-15 Streak Eagle project.",
      "src": [
        "weg-su-27sk"
      ]
    },
    {
      "name": "Su-27",
      "text": "Pre-production series built in small numbers with AL-31 engine.",
      "src": [
        "weg-su-27sk"
      ]
    },
    {
      "name": "Su-27S (Su-27 / \"Flanker-B\")",
      "text": "Initial production single-seater with improved AL-31F engine. The \"T10P\".",
      "src": [
        "weg-su-27sk"
      ]
    },
    {
      "name": "Su-27P (Su-27 / \"Flanker-B\")",
      "text": "Standard version but without air-to-ground weapons control system and wiring and assigned to Soviet Air Defence Forces units. Often designated Su-27 without -P.",
      "src": [
        "weg-su-27sk"
      ]
    },
    {
      "name": "Su-27UB (\"Flanker-C\")",
      "text": "Initial production two-seat operational conversion trainer.",
      "src": [
        "weg-su-27sk"
      ]
    },
    {
      "name": "Su-27SK",
      "text": "Export Su-27S single-seater. Exported to China in 1992-1996 and developed into Shenyang J-11.",
      "src": [
        "weg-su-27sk"
      ]
    }
  ],
  "art": "fighter",
  "image": {
    "file": "su-27sk.jpg",
    "thumb": "su-27sk-thumb.jpg",
    "credit": "TNI Angkatan Udara, Sandriani Permani",
    "license": "Public domain",
    "url": "https://commons.wikimedia.org/wiki/File:Marsekal_TNI_Fadjar_Prasetyo,_S.E.,_M.P.P.,_CSFA.,_dengan_Crew_Dinamic_Show_Team.jpg",
    "title": "File:Marsekal TNI Fadjar Prasetyo, S.E., M.P.P., CSFA., dengan Crew Dinamic Show Team.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/su-27sk.html",
  "sources": {
    "weg-su-27sk": {
      "title": "Su-27SK (Flanker-B) Russian Multirole Fighter",
      "publisher": "U.S. Army TRADOC G-2 Worldwide Equipment Guide (ODIN)",
      "url": "https://odin.t2com.army.mil/WEG/Asset/Su-27SK_Flanker-B_Russian_Multirole_Fighter",
      "published": "2026-03-20",
      "tier": 1,
      "checked": "2026-10-10"
    }
  }
}