{
  "id": "mig-31",
  "name": "MiG-31 (Foxhound)",
  "aliases": [],
  "domain": "air",
  "country": "RUS",
  "category": "Interceptor/attack aircraft",
  "status": null,
  "fielded": 1981,
  "operators": [
    "KAZ",
    "RUS"
  ],
  "prolif_count": 2,
  "summary": "MiG-31 (Foxhound) Russian Attack Aircraft is a supersonic interceptor aircraft developed for use by the Soviet Air Forces. The aircraft was designed by the Mikoyan design bureau as a replacement for the earlier MiG-25 \"Foxbat\"; the MiG-31 is based on and shares design elements with the MiG-25.",
  "specs": [
    {
      "k": "",
      "label": "Manufacturer",
      "section": "system",
      "v": "Mikoyan-Gurevich/Mikoyan",
      "src": [
        "weg-mig-31"
      ],
      "conf": "medium"
    },
    {
      "k": "crew",
      "v": 2,
      "src": [
        "weg-mig-31"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Hardpoints",
      "section": "armament",
      "v": "8 × underwing pylons",
      "src": [
        "weg-mig-31"
      ],
      "conf": "medium"
    },
    {
      "k": "length_m",
      "v": 22.62,
      "src": [
        "weg-mig-31"
      ],
      "conf": "medium"
    },
    {
      "k": "width_m",
      "v": 13.46,
      "src": [
        "weg-mig-31"
      ],
      "conf": "medium",
      "label": "Wingspan"
    },
    {
      "k": "",
      "label": "Wing area",
      "section": "dims",
      "v": "61.6 m2",
      "src": [
        "weg-mig-31"
      ],
      "conf": "medium"
    },
    {
      "k": "height_m",
      "v": 6.46,
      "src": [
        "weg-mig-31"
      ],
      "conf": "medium"
    },
    {
      "k": "mass_kg",
      "v": 21820,
      "src": [
        "weg-mig-31"
      ],
      "conf": "medium",
      "label": "Empty weight"
    },
    {
      "k": "mass_kg",
      "v": 46200,
      "src": [
        "weg-mig-31"
      ],
      "conf": "medium",
      "label": "Max takeoff weight"
    },
    {
      "k": "engine_name",
      "v": "2 × Soloviev D-30F6",
      "src": [
        "weg-mig-31"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Thrust / power",
      "section": "mobility",
      "v": "93 kN (21,000 lbf) thrust each dry, 152 kN (34,000 lbf) with afterburner",
      "src": [
        "weg-mig-31"
      ],
      "conf": "medium"
    },
    {
      "k": "speed_kmh",
      "v": 3000,
      "src": [
        "weg-mig-31"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Cruise speed",
      "section": "mobility",
      "v": "2,500 km/h",
      "src": [
        "weg-mig-31"
      ],
      "conf": "medium"
    },
    {
      "k": "range_km",
      "v": 3000,
      "src": [
        "weg-mig-31"
      ],
      "conf": "medium",
      "note": "3,000 km with 4 x R-33E and 2 drop tanks; 5,400 km with 4 x R-33E and 2 drop tanks with one aerial refueling"
    },
    {
      "k": "ceiling_m",
      "v": 25000,
      "src": [
        "weg-mig-31"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "G limits",
      "section": "mobility",
      "v": "+5",
      "src": [
        "weg-mig-31"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Rate of climb",
      "section": "mobility",
      "v": "288 m/s",
      "src": [
        "weg-mig-31"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Radar",
      "section": "firecontrol",
      "v": "The MiG-31 aircraft is equipped with world’s first electronically scanned N007 Zaslon phased array radar.",
      "src": [
        "weg-mig-31"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Infrared Search and Track (IRST)",
      "section": "firecontrol",
      "v": "8TK IRST",
      "src": [
        "weg-mig-31"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Sensors",
      "section": "firecontrol",
      "v": "MiG-31 is equipped with light duty (LD) / speed and direction (SD) sensor, track while scan (TWS) radar, infrared search and track (IRST) system and radar warning receiver (RWR)…",
      "src": [
        "weg-mig-31"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "EW countermeasures",
      "section": "protection",
      "v": "Yes",
      "src": [
        "weg-mig-31"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Chaff/Flares",
      "section": "protection",
      "v": "Yes",
      "src": [
        "weg-mig-31"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Missiles: missile payloads",
      "section": "armament",
      "v": "The MIG-31 has 8 × underwing pylons with provisions to carry combinations of missiles which vary based on mission and aircraft variant.",
      "src": [
        "weg-mig-31"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Missiles: air-to-air",
      "section": "armament",
      "v": "4 × R-33E; 4 × R-60MK; 2 × R-40RD/TD",
      "src": [
        "weg-mig-31"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Missiles: air-to-ground",
      "section": "armament",
      "v": "4 × Kh-58UShKE anti-radiation missile; 1 × Kh-47M2 Kinzhal hypersonic air-launched ballistic missile",
      "src": [
        "weg-mig-31"
      ],
      "conf": "medium"
    },
    {
      "k": "armament",
      "v": "1 × 23 mm Gryazev-Shipunov GSh-6-23M",
      "src": [
        "weg-mig-31"
      ],
      "conf": "medium"
    }
  ],
  "payloads": [
    {
      "name": "1 × 23 mm Gryazev-Shipunov GSh-6-23M",
      "role": "Rotary Cannon",
      "src": [
        "weg-mig-31"
      ],
      "conf": "medium",
      "caps": {
        "Type": "Rotary Cannon",
        "Caliber": "23 mm",
        "Rate of fire": "6,000–8,000 rounds per minute"
      },
      "qty": "800 Rounds"
    }
  ],
  "variants": [
    {
      "name": "Ye-155MP (MiG-25MP)",
      "text": "Prototype modification of the early MiG-31. First flight on 16 September 1975.",
      "src": [
        "weg-mig-31"
      ]
    },
    {
      "name": "MiG-31",
      "text": "First variant which entered in serial production. 349 aircraft were built.",
      "src": [
        "weg-mig-31"
      ]
    },
    {
      "name": "MiG-31M",
      "text": "Development of a more comprehensive advanced version, the MiG-31M, began in 1984 and first flew in 1985, but the dissolution of the Soviet Union prevented it from entering full production.",
      "src": [
        "weg-mig-31"
      ]
    },
    {
      "name": "MiG-31D",
      "text": "Two aircraft were designated as Type 31D and were manufactured as dedicated anti-satellite models with ballast in the nose instead of radars, flat fuselage undersurface (i.e.",
      "src": [
        "weg-mig-31"
      ]
    },
    {
      "name": "MiG-31LL",
      "text": "Special modification used as a flying laboratory for testing of ejection seats during flight.",
      "src": [
        "weg-mig-31"
      ]
    },
    {
      "name": "MiG-31 01DZ",
      "text": "Two-seat all weather, all altitude interceptor. Designated as MiG-31 01DZ when fitted with air-to-air refueling probe. One hundred produced of DZ variant.",
      "src": [
        "weg-mig-31"
      ]
    },
    {
      "name": "MiG-31B",
      "text": "Second production batch with upgraded avionics and in-flight refueling probe introduced in 1990. Its development was the result of the Soviet discovery that Phazotron radar division engineer Adolf Tolkachev had sold information on advanced radars to the West.",
      "src": [
        "weg-mig-31"
      ]
    },
    {
      "name": "MiG-31E",
      "text": "Export version of the MiG-31B with simplified avionics. Never entered in serial production.",
      "src": [
        "weg-mig-31"
      ]
    }
  ],
  "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/mig-31.html",
  "sources": {
    "weg-mig-31": {
      "title": "MiG-31 (Foxhound) Russian Interceptor/Attack Aircraft",
      "publisher": "U.S. Army TRADOC G-2 Worldwide Equipment Guide (ODIN)",
      "url": "https://odin.t2com.army.mil/WEG/Asset/MiG-31_Foxhound_Russian_Interceptor_Attack_Aircraft",
      "published": "2026-03-20",
      "tier": 1,
      "checked": "2026-10-10"
    }
  }
}