{
  "id": "bl-904",
  "name": "BL-904 (Type 704)",
  "aliases": [],
  "domain": "land",
  "country": "CHN",
  "category": "Artillery location and fire correction radar",
  "status": null,
  "fielded": 1995,
  "operators": [
    "CHN"
  ],
  "prolif_count": 1,
  "summary": "The BL-904 (Type 704) Chinese Artillery Location and Fire Correction Radar is an X-band (NATO I-/J-band) (8–12 GHz) 3D artillery locating and fire correction radar for installation in a truck-mounted configuration.",
  "specs": [
    {
      "k": "",
      "label": "Manufacturer",
      "section": "system",
      "v": "NORINCO",
      "src": [
        "weg-bl-904"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Chassis",
      "section": "mobility",
      "v": "6x6 truck",
      "src": [
        "weg-bl-904"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Emplacement time",
      "section": "system",
      "v": "less than 10 min",
      "src": [
        "weg-bl-904"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Displacement time",
      "section": "system",
      "v": "less than 10 min",
      "src": [
        "weg-bl-904"
      ],
      "conf": "medium"
    },
    {
      "k": "length_m",
      "v": 6.84,
      "src": [
        "weg-bl-904"
      ],
      "conf": "medium"
    },
    {
      "k": "width_m",
      "v": 2.4,
      "src": [
        "weg-bl-904"
      ],
      "conf": "medium"
    },
    {
      "k": "combat_weight_t",
      "v": 11.5,
      "src": [
        "weg-bl-904"
      ],
      "conf": "medium",
      "label": "Weight"
    }
  ],
  "payloads": [],
  "variants": [
    {
      "name": "CS/RB1",
      "text": "A new light weight counter battery radar designated as CS/RB1 was unveiled at the 9th Zhuhai Airshow held in November 2012. CS/RB1 is lighter than the BL 904 and can be carried by individual soldiers by dismantling the s",
      "src": [
        "weg-bl-904"
      ]
    }
  ],
  "art": "generic",
  "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/bl-904.html",
  "sources": {
    "weg-bl-904": {
      "title": "BL-904 (Type 704) Chinese Artillery Location and Fire Correction Radar",
      "publisher": "U.S. Army TRADOC G-2 Worldwide Equipment Guide (ODIN)",
      "url": "https://odin.t2com.army.mil/WEG/Asset/BL-904_Type_704_Chinese_Artillery_Location_and_Fire_Correction_Radar",
      "published": "2026-03-20",
      "tier": 1,
      "checked": "2026-10-10"
    }
  }
}