{
  "url": "https://openlegislation.uk/eu-regulation-2017-373/annex-V/appendix-8",
  "json_url": "https://openlegislation.uk/eu-regulation-2017-373/annex-V/appendix-8.json",
  "legislation": "eur/2017/373",
  "legislation_title": "Commission Implementing Regulation (EU) 2017/373 of 1 March 2017 laying down common requirements for providers of air traffic management/air navigation services and other air traffic management network functions and their oversight, repealing Regulation (EC) No 482/2008, Implementing Regulations (EU) No 1034/2011, (EU) No 1035/2011 and (EU) 2016/1377 and amending Regulation (EU) No 677/2011 (Text with EEA relevance)",
  "legislation_url": "https://openlegislation.uk/eu-regulation-2017-373",
  "path": "annex/V/appendix/8",
  "kind": "appendix",
  "number": "8",
  "heading": "Ranges and resolutions for the numerical elements included in volcanic ash advisory, tropical cyclone advisory, SIGMET, AIRMET, aerodrome warning and wind shear warning",
  "text": "Non-dimensional.;\nElements\nRange\nResolution\nSummit elevation:\nM\n000–8 100\n1\nFT\n000–27 000\n1\nAdvisory number:\nfor VA (index)\n000–2 000\n1\nfor TC (index)\n00–99\n1\nMaximum surface wind:\nMPS\n00–99\n1\nKT\n00–199\n1\nCentral pressure:\nhPa\n850–1 050\n1\nSurface wind speed:\nMPS\n15–49\n1\nKT\n30–99\n1\nSurface visibility:\nM\n0000–0750\n50\nM\n0800–5 000\n100\nCloud: height of base:\nM\n000–300\n30\nFT\n000–1 000\n100\nCloud: height of top:\nM\n000–2 970\n30\nM\n3 000–20 000\n300\nFT\n000–9 900\n100\nFT\n10 000–60 000\n1 000\nLatitudes:\n° (degrees)\n00–90\n1\n(minutes)\n00–60\n1\nLongitudes:\n° (degrees)\n000–180\n1\n(minutes)\n00–60\n1\nFlight levels:\n000–650\n10\nMovement:\nKMH\n0–300\n10\nKT\n0–150\n5",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "Substituted by Commission Implementing Regulation (EU) 2020/469 of 14 February 2020 amending Regulation (EU) No 923/2012, Regulation (EU) No 139/2014 and Regulation (EU) 2017/373 as regards requirements for air traffic management/air navigation services, design of airspace structures and data quality, runway safety and repealing Regulation (EC) No 73/2010 (Text with EEA relevance)."
    },
    {
      "type": "footnote",
      "label": "f1",
      "text": "Non-dimensional.;"
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eur/2017/373/annex/V/appendix/8",
    "retrieved_at": "2026-11-01T14:45:09.531464+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives."
}