{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://raw.githubusercontent.com/api-evangelist/flightradar24/main/json-schema/airport-full.json",
  "title": "AirportFull",
  "description": "Detailed airport reference data from the Flightradar24 API.",
  "type": "object",
  "required": ["name", "lat", "lon", "elevation", "country", "city", "timezone"],
  "properties": {
    "name": { "type": "string", "description": "Airport full name.", "example": "London Heathrow Airport" },
    "lat": { "type": "number", "minimum": -90, "maximum": 90, "description": "Latitude in decimal degrees.", "example": 51.4706 },
    "lon": { "type": "number", "minimum": -180, "maximum": 180, "description": "Longitude in decimal degrees.", "example": -0.4619 },
    "elevation": { "type": "number", "description": "Airport elevation in feet.", "example": 83.0 },
    "country": {
      "type": "object",
      "required": ["code", "name"],
      "properties": {
        "code": { "type": "string", "minLength": 2, "maxLength": 2, "description": "ISO 3166-1 alpha-2 country code.", "example": "GB" },
        "name": { "type": "string", "description": "Country name.", "example": "United Kingdom" }
      }
    },
    "city": { "type": "string", "description": "City served by the airport.", "example": "London" },
    "timezone": {
      "type": "object",
      "required": ["name", "offset"],
      "properties": {
        "name": { "type": "string", "description": "IANA timezone name.", "example": "Europe/London" },
        "offset": { "type": "integer", "description": "UTC offset in seconds.", "example": 0 }
      }
    },
    "iata": { "type": ["string", "null"], "minLength": 3, "maxLength": 3, "description": "Airport IATA code.", "example": "LHR" },
    "icao": { "type": ["string", "null"], "minLength": 4, "maxLength": 4, "description": "Airport ICAO code.", "example": "EGLL" },
    "state": { "type": ["string", "null"], "description": "State or region.", "example": "England" },
    "runways": {
      "type": ["array", "null"],
      "description": "List of runways at the airport.",
      "items": {
        "type": "object",
        "required": ["designator", "heading", "length", "width", "elevation", "thr_coordinates", "surface"],
        "properties": {
          "designator": { "type": "string", "description": "Runway designator.", "example": "27L/09R" },
          "heading": { "type": "integer", "minimum": 0, "maximum": 360, "description": "Magnetic heading in degrees.", "example": 270 },
          "length": { "type": "integer", "minimum": 0, "description": "Runway length in metres.", "example": 3901 },
          "width": { "type": "integer", "minimum": 0, "description": "Runway width in metres.", "example": 60 },
          "elevation": { "type": "integer", "description": "Runway elevation in feet.", "example": 83 },
          "thr_coordinates": {
            "type": "array",
            "items": { "type": "number" },
            "minItems": 2,
            "maxItems": 2,
            "description": "Threshold coordinates [latitude, longitude].",
            "example": [51.4706, -0.4619]
          },
          "surface": {
            "type": "object",
            "required": ["type", "description"],
            "properties": {
              "type": { "type": "string", "description": "Surface type code.", "example": "ASPH" },
              "description": { "type": "string", "description": "Surface description.", "example": "Asphalt" }
            }
          }
        }
      }
    }
  }
}