{
  "F01": {
    "name": "BTS Reporting Carrier On-Time Performance",
    "url": "https://www.transtats.bts.gov/",
    "terms": "U.S. federal statistical data; no new copyright claimed",
    "evidence": "https://rosap.ntl.bts.gov/view/dot/61213/dot_61213_DS1.pdf"
  },
  "F02": {
    "name": "ANAC Brazil Voo Regular Ativo",
    "url": "https://siros.anac.gov.br/siros/registros/diversos/vra/",
    "terms": "ANAC open data; retain attribution; no new license asserted",
    "evidence": "https://www.anac.gov.br/acesso-a-informacao/dados-abertos/dados-abertos/"
  },
  "F06": {
    "name": "BTS T-100 Domestic",
    "url": "https://www.transtats.bts.gov/",
    "terms": "U.S. federal statistical data; no new copyright claimed",
    "evidence": "https://rosap.ntl.bts.gov/view/dot/61213/dot_61213_DS1.pdf"
  },
  "F07": {
    "name": "BTS DB1B",
    "url": "https://www.transtats.bts.gov/",
    "terms": "U.S. federal statistical data; no new copyright claimed",
    "evidence": "https://rosap.ntl.bts.gov/view/dot/61213/dot_61213_DS1.pdf"
  },
  "W01": {
    "name": "NOAA NCEI Integrated Surface Database",
    "url": "https://www.ncei.noaa.gov/products/land-based-station/integrated-surface-database",
    "terms": "NOAA public data; cite NOAA NCEI Global Surface Hourly, subset and access date; no warranty",
    "evidence": "https://www.ncei.noaa.gov/metadata/geoportal/rest/metadata/item/gov.noaa.ncdc:C00532/html"
  },
  "W02": {
    "name": "Iowa Environmental Mesonet METAR",
    "url": "https://mesonet.agron.iastate.edu/request/download.phtml",
    "terms": "Public domain per IEM disclaimer; attribute IEM / Iowa State University",
    "evidence": "https://mesonet2.agron.iastate.edu/disclaimer.php"
  },
  "W03": {
    "name": "Iowa Environmental Mesonet TAF archive",
    "url": "https://mesonet.agron.iastate.edu/request/taf.php",
    "terms": "Public domain per IEM disclaimer; attribute IEM / Iowa State University",
    "evidence": "https://mesonet2.agron.iastate.edu/disclaimer.php"
  },
  "W04": {
    "name": "IEM Aviation Weather Center SIGMET archive",
    "url": "https://mesonet.agron.iastate.edu/request/gis/awc_sigmets.phtml",
    "terms": "Public domain per IEM disclaimer; attribute IEM and NOAA AWC",
    "evidence": "https://mesonet2.agron.iastate.edu/disclaimer.php"
  },
  "W05": {
    "name": "Open-Meteo historical weather",
    "url": "https://open-meteo.com/en/docs/historical-weather-api",
    "terms": "CC BY 4.0 API data; Weather data by Open-Meteo.com; raw payload unchanged; upstream reanalysis from C3S/ECMWF",
    "evidence": "https://open-meteo.com/en/licence"
  },
  "W06": {
    "name": "Open-Meteo previous model runs",
    "url": "https://open-meteo.com/en/docs/previous-runs-api",
    "terms": "CC BY 4.0 API data; Weather data by Open-Meteo.com; raw payload unchanged; retain upstream model attribution",
    "evidence": "https://open-meteo.com/en/licence"
  },
  "W10": {
    "name": "NOAA Aviation Weather Center cache snapshots",
    "url": "https://aviationweather.gov/data/api/",
    "terms": "NOAA public weather data; retain NOAA AWC credit; no warranty",
    "evidence": "https://www.noaa.gov/office-education/outreach-communication/faq"
  },
  "C01": {
    "name": "OurAirports",
    "url": "https://ourairports.com/data/",
    "terms": "Public domain; credit OurAirports; no warranty",
    "evidence": "https://ourairports.com/data/"
  },
  "C05": {
    "name": "U.S. Energy Information Administration",
    "url": "https://www.eia.gov/dnav/pet/hist_xls/",
    "terms": "Public domain EIA data; attribute EIA and retrieval date",
    "evidence": "https://www.eia.gov/about/copyrights_reuse.php"
  },
  "C07": {
    "name": "NOAA NCEI Storm Events",
    "url": "https://www.ncei.noaa.gov/access/storm-events-database/",
    "terms": "NOAA public weather data; retain NOAA NCEI credit; no warranty",
    "evidence": "https://www.noaa.gov/office-education/outreach-communication/faq"
  },
  "C08": {
    "name": "NOAA NCEI IBTrACS v04r01",
    "url": "https://www.ncei.noaa.gov/products/international-best-track-archive",
    "terms": "NOAA public data; retain NOAA NCEI IBTrACS and contributing agency credit; no warranty",
    "evidence": "https://www.noaa.gov/office-education/outreach-communication/faq"
  },
  "O01": {
    "name": "FAA ATCSCC advisories",
    "url": "https://www.fly.faa.gov/adv/advAdvisoryForm",
    "terms": "U.S. federal operational advisory archive; retain FAA ATCSCC credit; research only, not operational navigation",
    "evidence": "https://rosap.ntl.bts.gov/view/dot/61213/dot_61213_DS1.pdf"
  }
}