{
  "@context": "https://schema.org/",
  "@type": "DataCatalog",
  "@id": "https://ourairports.com/data/",
  "name": "OurAirports Open Aviation Data",
  "description": "A comprehensive, community-maintained open-data catalog of 85,000+ airports, runways, radio navigation aids, and communication frequencies worldwide. All datasets are released to the public domain and updated daily.",
  "url": "https://ourairports.com/data/",
  "license": "https://unlicense.org/",
  "isAccessibleForFree": true,
  "creator": {
    "@type": "Organization",
    "name": "OurAirports Community",
    "url": "https://ourairports.com"
  },
  "maintainer": {
    "@type": "Person",
    "name": "David Megginson",
    "url": "https://www.megginson.com/"
  },
  "temporalCoverage": "2007/..",
  "spatialCoverage": {
    "@type": "Place",
    "name": "World"
  },
  "keywords": [
    "aviation",
    "airports",
    "runways",
    "navaids",
    "navigation aids",
    "radio frequencies",
    "ICAO",
    "IATA",
    "open data",
    "public domain",
    "geospatial",
    "transportation"
  ],
  "dataset": [
    {
      "@type": "Dataset",
      "name": "OurAirports Airports Dataset",
      "description": "Daily-updated CSV dataset containing information on 85,000+ airports worldwide, including ICAO/IATA codes, coordinates, elevation, type, scheduled service status, and links to official and Wikipedia pages.",
      "url": "https://davidmegginson.github.io/ourairports-data/airports.csv",
      "encodingFormat": "text/csv",
      "license": "https://unlicense.org/",
      "isAccessibleForFree": true,
      "distribution": [
        {
          "@type": "DataDownload",
          "encodingFormat": "text/csv",
          "contentUrl": "https://davidmegginson.github.io/ourairports-data/airports.csv"
        }
      ],
      "variableMeasured": [
        "ident", "type", "name", "latitude_deg", "longitude_deg",
        "elevation_ft", "continent", "iso_country", "iso_region",
        "municipality", "scheduled_service", "gps_code", "iata_code",
        "local_code", "home_link", "wikipedia_link", "keywords"
      ]
    },
    {
      "@type": "Dataset",
      "name": "OurAirports Runways Dataset",
      "description": "Daily-updated CSV dataset describing runway surfaces, dimensions, lighting, and endpoint coordinates for airports in the OurAirports database.",
      "url": "https://davidmegginson.github.io/ourairports-data/runways.csv",
      "encodingFormat": "text/csv",
      "license": "https://unlicense.org/",
      "isAccessibleForFree": true,
      "distribution": [
        {
          "@type": "DataDownload",
          "encodingFormat": "text/csv",
          "contentUrl": "https://davidmegginson.github.io/ourairports-data/runways.csv"
        }
      ],
      "variableMeasured": [
        "airport_ref", "airport_ident", "length_ft", "width_ft",
        "surface", "lighted", "closed",
        "le_ident", "le_latitude_deg", "le_longitude_deg", "le_elevation_ft",
        "le_heading_degT", "le_displaced_threshold_ft",
        "he_ident", "he_latitude_deg", "he_longitude_deg", "he_elevation_ft",
        "he_heading_degT", "he_displaced_threshold_ft"
      ]
    },
    {
      "@type": "Dataset",
      "name": "OurAirports Navaids Dataset",
      "description": "Daily-updated CSV dataset of radio navigation aids (VOR, NDB, DME, TACAN, VORTAC, and combinations) associated with airports worldwide.",
      "url": "https://davidmegginson.github.io/ourairports-data/navaids.csv",
      "encodingFormat": "text/csv",
      "license": "https://unlicense.org/",
      "isAccessibleForFree": true,
      "distribution": [
        {
          "@type": "DataDownload",
          "encodingFormat": "text/csv",
          "contentUrl": "https://davidmegginson.github.io/ourairports-data/navaids.csv"
        }
      ],
      "variableMeasured": [
        "ident", "name", "type", "frequency_khz", "latitude_deg",
        "longitude_deg", "elevation_ft", "iso_country", "dme_frequency_khz",
        "dme_channel", "dme_latitude_deg", "dme_longitude_deg",
        "dme_elevation_ft", "slaved_variation_deg", "magnetic_variation_deg",
        "usageType", "power", "associated_airport"
      ]
    },
    {
      "@type": "Dataset",
      "name": "OurAirports Airport Frequencies Dataset",
      "description": "Daily-updated CSV dataset of radio communication frequencies for airports, including tower, ground, ATIS, UNICOM, and remote communications outlet frequencies in megahertz.",
      "url": "https://davidmegginson.github.io/ourairports-data/airport-frequencies.csv",
      "encodingFormat": "text/csv",
      "license": "https://unlicense.org/",
      "isAccessibleForFree": true,
      "distribution": [
        {
          "@type": "DataDownload",
          "encodingFormat": "text/csv",
          "contentUrl": "https://davidmegginson.github.io/ourairports-data/airport-frequencies.csv"
        }
      ],
      "variableMeasured": [
        "airport_ref", "airport_ident", "type", "description", "frequency_mhz"
      ]
    },
    {
      "@type": "Dataset",
      "name": "OurAirports Countries Dataset",
      "description": "Reference CSV dataset of sovereign states and country-like entities used to cross-reference the iso_country field in other OurAirports datasets. Includes ISO 3166-1 alpha-2 codes, continent assignments, and Wikipedia links.",
      "url": "https://davidmegginson.github.io/ourairports-data/countries.csv",
      "encodingFormat": "text/csv",
      "license": "https://unlicense.org/",
      "isAccessibleForFree": true,
      "distribution": [
        {
          "@type": "DataDownload",
          "encodingFormat": "text/csv",
          "contentUrl": "https://davidmegginson.github.io/ourairports-data/countries.csv"
        }
      ],
      "variableMeasured": [
        "code", "name", "continent", "wikipedia_link", "keywords"
      ]
    },
    {
      "@type": "Dataset",
      "name": "OurAirports Regions Dataset",
      "description": "Reference CSV dataset of high-level administrative subdivisions (states, provinces, territories) used to cross-reference the iso_region field in the airports dataset. Includes ISO 3166-2 codes and local-language keyword synonyms.",
      "url": "https://davidmegginson.github.io/ourairports-data/regions.csv",
      "encodingFormat": "text/csv",
      "license": "https://unlicense.org/",
      "isAccessibleForFree": true,
      "distribution": [
        {
          "@type": "DataDownload",
          "encodingFormat": "text/csv",
          "contentUrl": "https://davidmegginson.github.io/ourairports-data/regions.csv"
        }
      ],
      "variableMeasured": [
        "code", "local_code", "name", "continent", "iso_country",
        "wikipedia_link", "keywords"
      ]
    }
  ]
}