{
  "id": "z-18f",
  "name": "Z-18F (Sea Eagle)",
  "aliases": [],
  "domain": "air",
  "country": "CHN",
  "category": "Anti-submarine helicopter",
  "status": null,
  "fielded": 2018,
  "operators": [
    "CHN"
  ],
  "prolif_count": 1,
  "summary": "Z-18F is a specialized anti-submarine and anti-ship helicopter. Z-18F: Anti-submarine version with surface radar, dipping sonar, hardpoints intended for torpedoes/missiles, and sonobuoys.",
  "specs": [
    {
      "k": "",
      "label": "Manufacturer",
      "section": "system",
      "v": "Avicopter (Changhe Aircraft Industries Corporation)",
      "src": [
        "weg-z-18f"
      ],
      "conf": "medium"
    },
    {
      "k": "crew",
      "v": 2,
      "src": [
        "weg-z-18f"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Hardpoints",
      "section": "armament",
      "v": "4",
      "src": [
        "weg-z-18f"
      ],
      "conf": "medium"
    },
    {
      "k": "length_m",
      "v": 23,
      "src": [
        "weg-z-18f"
      ],
      "conf": "medium"
    },
    {
      "k": "height_m",
      "v": 7,
      "src": [
        "weg-z-18f"
      ],
      "conf": "medium"
    },
    {
      "k": "mass_kg",
      "v": 9800,
      "src": [
        "weg-z-18f"
      ],
      "conf": "medium",
      "label": "Empty weight"
    },
    {
      "k": "engine_name",
      "v": "3 x WZ-6C",
      "src": [
        "weg-z-18f"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Thrust / power",
      "section": "mobility",
      "v": "3 x 1 752 shp",
      "src": [
        "weg-z-18f"
      ],
      "conf": "medium"
    },
    {
      "k": "speed_kmh",
      "v": 336,
      "src": [
        "weg-z-18f"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Cruise speed",
      "section": "mobility",
      "v": "250 km/h",
      "src": [
        "weg-z-18f"
      ],
      "conf": "medium"
    },
    {
      "k": "range_km",
      "v": 900,
      "src": [
        "weg-z-18f"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Ferry range",
      "section": "mobility",
      "v": "1 600 km",
      "src": [
        "weg-z-18f"
      ],
      "conf": "medium"
    },
    {
      "k": "ceiling_m",
      "v": 9000,
      "src": [
        "weg-z-18f"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Rate of climb",
      "section": "mobility",
      "v": "6.67 m/s",
      "src": [
        "weg-z-18f"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Surface and Search Radar",
      "section": "firecontrol",
      "v": "It has a chin-mounted surface search radar and is probably fitted with a datalink similar to the Ka-28 enabling it to operate as a third-party targeting director for anti-ship…",
      "src": [
        "weg-z-18f"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Sonar",
      "section": "firecontrol",
      "v": "It is believed to carry a new LF dipping sonar through a round opening in the bottom of the fuselage. MAWS and RWR antennas are installed on the forward and rear fuselage.",
      "src": [
        "weg-z-18f"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Counter Measures (Chaff/Flares)",
      "section": "protection",
      "v": "Chaff/flare launchers were installed in the floats.",
      "src": [
        "weg-z-18f"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Sonobuoys: basic load",
      "section": "armament",
      "v": "32",
      "src": [
        "weg-z-18f"
      ],
      "conf": "medium"
    },
    {
      "k": "",
      "label": "Sonobuoys",
      "section": "armament",
      "v": "30 small openings are positioned along its rear loading ramp for dropping sonobuoys.",
      "src": [
        "weg-z-18f"
      ],
      "conf": "medium"
    },
    {
      "k": "armament",
      "v": "YJ-83; NATO: CSS-N-8 Saccade",
      "src": [
        "weg-z-18f"
      ],
      "conf": "medium"
    }
  ],
  "payloads": [
    {
      "name": "YJ-83; NATO: CSS-N-8 Saccade",
      "role": "Anti-Ship Cruise Missile",
      "src": [
        "weg-z-18f"
      ],
      "conf": "medium",
      "caps": {
        "Type": "Anti-Ship Cruise Missile",
        "Guidance": "Inertial navigation/active radar homing terminal guidance",
        "Warhead": "190 kg high-explosive fragmentation",
        "Speed": "Mach 0.9"
      },
      "range_km": 180
    }
  ],
  "variants": [
    {
      "name": "Z-18",
      "text": "Based on the Avicopter AC313 design, it features a modified lowered fuselage and an improved WZ-6C turboshaft. A nose-mounted weather radar as well as FLIR and TV turrets were installed. Additional communication and navigation antennae are also added.",
      "src": [
        "weg-z-18f"
      ]
    },
    {
      "name": "Z-8G",
      "text": "Army version with an extended nose housing a terrain following radar and EO turret.",
      "src": [
        "weg-z-18f"
      ]
    },
    {
      "name": "Z-18F",
      "text": "Anti-submarine version with surface radar, dipping sonar, hardpoints intended for torpedoes/missiles, and sonobuoys.",
      "src": [
        "weg-z-18f"
      ]
    },
    {
      "name": "Z-18J",
      "text": "AEW variant with a multimode active electronically scanned array radar from the 38th Institute.",
      "src": [
        "weg-z-18f"
      ]
    }
  ],
  "art": "helicopter",
  "image": {
    "file": "z-18f.jpg",
    "thumb": "z-18f-thumb.jpg",
    "credit": "John Kwok Nagnm",
    "license": "CC0",
    "url": "https://commons.wikimedia.org/wiki/File:HK_view_PLANS_Shandong_(CV-17)_%E5%B1%B1%E6%9D%B1%E8%89%A6%E8%88%AA%E6%AF%8D%E7%B7%A8%E9%9A%8A_visiting_Hong_Kong_July_2025_94.jpg",
    "title": "File:HK view PLANS Shandong (CV-17) 山東艦航母編隊 visiting Hong Kong July 2025 94.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 (CC0)"
    }
  ],
  "url": "https://www.defensepedia.com/systems/z-18f.html",
  "sources": {
    "weg-z-18f": {
      "title": "Z-18F (Sea Eagle) Chinese Anti-Submarine Helicopter",
      "publisher": "U.S. Army TRADOC G-2 Worldwide Equipment Guide (ODIN)",
      "url": "https://odin.t2com.army.mil/WEG/Asset/Z-18F_Sea_Eagle_Chinese_Anti-Submarine_Helicopter",
      "published": "2026-03-20",
      "tier": 1,
      "checked": "2026-10-10"
    }
  }
}