{
  "id-zmienna": 925,
  "nazwa": "Air routes",
  "nazwa-skrocona": "Air routes",
  "tagi": [
    {
      "id-tag": 991,
      "nazwa-tag": "aviation"
    }
  ],
  "pojecia": [
    {
      "id-pojecie": 4307,
      "nazwa-pojecie": "Air routes",
      "definicja": "<P>Airways connecting airports of origin to airports of destination, along which aircraft fly within commercial air services.</P>",
      "uwagi": "<P>The lenght of an air route is calculated on the basis of the “great circle distance” in accordance with IATA international regulations.</P>",
      "data-poczatku-pojecie": "2020-12-31",
      "data-konca-pojecie": "9999-12-31"
    }
  ],
  "wyjasnienia-metodologiczne": {
    "notki": [
      {
        "id-notka": 216,
        "opis": "<p>\n\tData refer to Polish scheduled (regular) air transport carriers.</p>\n"
      }
    ]
  },
  "przekroje": [
    {
      "id-przekroj": 510,
      "nazwa-przekroj": "Poland; Air transport direction",
      "szereg-czasowy": "2015 - 2025",
      "id-czestotliwosc": 1,
      "nazwa-czestotliwosc": "Year",
      "aktualizacja-ostatnia": "2026-07-06"
    }
  ],
  "zestawy": [
    {
      "id-zestaw": 169,
      "symbol-zestaw": "LOT-1",
      "nazwa-zestaw": "report on air transport",
      "id-gestor": 35,
      "nazwa-gestor": "Statistics Poland"
    }
  ],
  "badania": [
    {
      "id-badanie": 196,
      "symbol-badanie": "1.48.08",
      "temat-badanie": "Air transport"
    }
  ],
  "akty-prawne": [
    {}
  ],
  "jednostki": [
    {
      "id-jednostka": 136,
      "nazwa-jednostki": "Statistical Office in Szczecin"
    }
  ]
}