{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://poseidat.org/schema/core/vessel.json",
  "title": "Vessel",
  "description": "The vessel information",
  "properties": {
    "name": {
      "type": "string",
      "description": "The display name for the vessel"
    },
    "flag_state": {
      "type": "string",
      "description": "The vessels flag state and country to report ERS messages to. Should be a 3 letter ISO code."
    },
    "cfr": {
      "type": "string",
      "description": "The vessel's Community Fleet Registration number. Fixed format defined by the pattern: \"AAAXXXXXXXXX\" (AAA = Fully capitalised country code of the vessel's first registration within the EU, XXXXXXXXX = 9 character alphanumeric code.). Known as CFR or IR"
    },
    "call_sign": {
      "type": "string",
      "description": "The vessels international radio call sign (RC)"
    },
    "hull_number": {
      "type": "string",
      "description": "The vessel's side (hull) registration number. Also known as XR or PLN. May contain dots or dashes"
    },
    "gbr_rss": {
      "type": "string",
      "description": "GBR ONLY: The vessel's unique identity number as recorded by the UK Registrar of Seamen and Shipping"
    },
    "iccat": {
      "type": "string",
      "description": "International Commission for the Conservation of Atlantic Tuna identifier"
    },
    "gfcm": {
      "type": "string",
      "description": "Global Fisheries Council of the Mediterranean identifier"
    },
    "uvi": {
      "type": "string",
      "description": "Unique Vessel Identifier (IMO number). A number issued by the tuna RFMOs or by ISSF."
    },
    "imo_code": {
      "type": "string",
      "description": "The unique identification of a vessel according to Lloyds register"
    },
    "net_tonnage": {
      "type": "number",
      "description": "The net loading capacity of the vessel, expressed in tons"
    },
    "gross_tonnage": {
      "type": "number",
      "description": "The gross loading capacity of the vessel, expressed in tons"
    },
    "registration_date": {
      "type": "string",
      "format": "date",
      "description": "The date the vessel was registered"
    },
    "full_length": {
      "type": "number",
      "description": "The full length of the vessel in meters"
    }
  },
  "required": [
    "name",
    "hull_number",
    "flag_state"
  ],
  "type": "object",
  "additionalProperties": false
}