{
  "id": "kh-31a",
  "name": "Kh-31A",
  "aliases": [],
  "domain": "missile",
  "country": "RUS",
  "category": "Anti-ship missile",
  "status": null,
  "fielded": 1982,
  "operators": [
    "CHN",
    "DZA",
    "IND",
    "RUS",
    "VEN",
    "VNM"
  ],
  "prolif_count": 6,
  "summary": "Kh-31A - active seeker head for use as an anti-ship missile against vessels up to destroyer size, range of 25 km–103 km (13.5–55.6 nmi). Missile is sea-skimming as it approaches the target.",
  "specs": [],
  "payloads": [
    {
      "name": "KH-31A",
      "role": "Medium-range Anti-Ship Missile",
      "src": [
        "weg-kh-31a"
      ],
      "conf": "medium",
      "caps": {
        "Type": "Medium-range Anti-Ship Missile",
        "Guidance": "Kh-31A: inertial guidance with active radar homing Kh-31P: inertial with passive radar",
        "Warhead": "HE shaped charge",
        "Warhead weight": "Kh-31A :94 kg (207 lb) Kh-31P :87 kg (192 lb",
        "Speed": "Kh-31A/P: 2,160–2,520 km/h (1,340–1,570 mph) MA-31: Mach 2.7 (low), Mach 3.5 (hi",
        "Length": "Mod 1 : 4.700 m (15 ft 5.0 in)[3] Mod 2 "
      },
      "range_km": -31
    }
  ],
  "variants": [
    {
      "name": "Kh-31A",
      "text": "active seeker head for use as an anti-ship missile against vessels up to destroyer size, range of 25 km–103 km (13.5–55.6 nmi). Missile is sea-skimming as it approaches the target.",
      "src": [
        "weg-kh-31a"
      ]
    },
    {
      "name": "Kh-31P",
      "text": "Type 77P) - passive seeker head for use as an anti-radiation missile. Stays at high altitude throughout its flight, allowing higher speeds and increasing range to 110 km (60 nmi; 70 mi).",
      "src": [
        "weg-kh-31a"
      ]
    },
    {
      "name": "Kh-31AD/Kh-31PD (\"Kh-31 Mod 2\")",
      "text": "increase range through increasing the fuselage from 4.70 m (15 ft 5 in) to 5.3 m (17 ft 5 in) long.[18] As of 2012, the Kh-31PD is serially produced. Kh-31AD is in series production since 2013.",
      "src": [
        "weg-kh-31a"
      ]
    },
    {
      "name": "Kh-31PK",
      "text": "installed non-contact fuse, maximum speed 900 m/s, range 120–160 km. Destined for Su-27SM, Su-30MK, Su-35. In serial production since 2009.",
      "src": [
        "weg-kh-31a"
      ]
    },
    {
      "name": "MA-31",
      "text": "telemetry and other systems installed by McDonnell Douglas/Boeing for use by the US Navy as a target drone. Tested between 1996-2007; a version upgraded with GPS, the MA-31PG, was offered to the Navy as a replacement for the MQM-8 Vandal but they bought the…",
      "src": [
        "weg-kh-31a"
      ]
    },
    {
      "name": "KR-1",
      "text": "version of the Kh-31P exported to China in 1997. It seems that Zvezda wanted to sell an initial batch of KR-1's to China, before the KR-1 went into production in China.",
      "src": [
        "weg-kh-31a"
      ]
    },
    {
      "name": "YJ-91",
      "text": "Ying Ji 91 - Chinese missile based on the Kh-31P.[citation needed] They are also reported to have developed an anti-shipping version with an indigenous active seeker, and are looking to develop this for use in submarines.",
      "src": [
        "weg-kh-31a"
      ]
    },
    {
      "name": "Note",
      "text": "An active/passive air-to-air version for use against slow-moving support aircraft, a so-called \"AWACS killer\", was announced at the 1992 Moscow air show with 200 km (110 nmi; 120 mi) range.",
      "src": [
        "weg-kh-31a"
      ]
    }
  ],
  "art": "srbm",
  "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/kh-31a.html",
  "sources": {
    "weg-kh-31a": {
      "title": "Kh-31A Russian Anti-Ship Missile",
      "publisher": "U.S. Army TRADOC G-2 Worldwide Equipment Guide (ODIN)",
      "url": "https://odin.t2com.army.mil/WEG/Asset/Kh-31A_Russian_Anti-Ship_Missile",
      "published": "2026-03-20",
      "tier": 1,
      "checked": "2026-10-10"
    }
  }
}