{
  "url": "https://openlegislation.uk/eu-regulation-2017-373/annex-V/appendix-3",
  "json_url": "https://openlegislation.uk/eu-regulation-2017-373/annex-V/appendix-3.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/3",
  "kind": "appendix",
  "number": "3",
  "heading": null,
  "text": "Template for TAF\nKey:\nM inclusion mandatory;\nC inclusion conditional, dependent on meteorological conditions or method of observation;\nO inclusion optional.\nNote 1:\nthe ranges and resolutions for the numerical elements included in TAF are provided in a separate table below this template.\nNote 2:\nthe explanations for the abbreviations can be found in ICAO Doc 8400 ‘ Procedures for Air Navigation Services – Abbreviations and Codes (PANS-ABC) ’ .\nTo be included whenever applicable. No qualifier for moderate intensity.\nUp to four cloud layers.\nConsisting of up to a maximum of four temperatures (two maximum temperatures and two minimum temperatures).\nElement\nDetailed content\nTemplate(s)\nExamples\nIdentification of the type of forecast (M)\nType of forecast (M)\nTAF or TAF AMD or TAF COR\nTAF\nTAF AMD\nTAF COR\nLocation indicator (M)\nICAO location indicator (M)\nnnnn\nYUDO\nTime of issue of forecast (M)\nDay and time of issue of the forecast in UTC (M)\nnnnnnnZ\n160000Z\nIdentification of a missing forecast (C)\nMissing forecast identifier (C)\nNIL\nNIL\nEND OF TAF IF THE FORECAST IS MISSING\nDays and period of validity of forecast (M)\nDays and period of validity of the forecast in UTC (M)\nnnnn/nnnn\n0812/0918\nIdentification of a cancelled forecast (C)\nCancelled forecast identifier (C)\nCNL\nCNL\nEND OF TAF IF THE FORECAST IS CANCELLED\nSurface wind (M)\nWind direction (M)\nnnn or VRB\n24004MPS; VRB01MPS\n(24008KT); (VRB02KT)\n19005MPS\n(19010KT)\nWind speed (M)\n[P]nn[n]\n00000MPS\n(00000KT)\n140P49MPS\n(140P99KT)\nSignificant speed variations (C)\nG[P]nn[n]\n12003G09MPS\n(12006G18KT)\n24008G14MPS\n(24016G28KT)\nUnits of measurement (M)\nMPS (or KT)\nVisibility (M)\nPrevailing visibility (M)\nnnnn\nC\nA\nV\nO\nK\n0350\nCAVOK\n7000\n9000\n9999\nWeather (C)\nIntensity of weather phenomena (C)\n– or +\n—\nCharacteristics and type of weather phenomena (C)\nDZ or RA or\nSN or SG or\nPL or DS or\nSS or\nFZDZ or\nFZRA or\nSHGR or\nSHGS or\nSHRA or\nSHSN or\nTSGR or\nTSGS or\nTSRA or\nTSSN\nFG or\nBR or\nSA or\nDU or\nHZ or\nFU or\nVA or\nSQ or\nPO or\nFC or\nTS or\nBCFG or\nBLDU or\nBLSA or\nBLSN or\nDRDU or\nDRSA or\nDRSN or\nFZFG or\nMIFG or\nPRFG\nRA\nHZ\n+TSRA\nFG\n–FZDZ PRFG\n+TSRASN\nSNRA FG\nCloud (M)\nCloud amount and height of base or vertical visibility (M)\nFEWnnn\nor\nSCTnnn or\nBKNnnn or\nOVCnnn\nVVnnn\nor\nVV///\nNSC\nFEW010\nVV005\nOVC020\nVV///\nNSC\nSCT005 BKN012\nCloud type (C)\nCB or\nTCU\n—\nSCT008 BKN025CB\nTemperature (O)\nName of the element (M)\nTX\nTX25/1013Z TN09/1005Z\nTX05/2112Z TNM02/2103Z\nMaximum temperature (M)\n[M]nn/\nDay and time of occurrence of the maximum temperature (M)\nnnnnZ\nName of the element (M)\nTN\nMinimum temperature (M)\n[M]nn/\nDay and time of occurrence of the minimum temperature (M)\nnnnnZ\nExpected significant changes to one or more of the above elements during the period of validity (C)\nChange or probability indicator (M)\nPROB30 [TEMPO] or PROB40 [TEMPO] or BECMG or TEMPO or FM\nPeriod of occurrence or change (M)\nnnnn/nnnn or nnnnnn\nWind (C)\nnnn[P]nn[n][G[P]nn[n]]MPS or\nVRBnnMPS\n(or nnn[P]nn[G[P]nn]KT or\nVRBnnKT)\nTEMPO 0815/0818 25017G25MPS\n(TEMPO 0815/0818 25034G50KT)\nTEMPO 2212/2214 17006G13MPS 1000\nTSRA SCT010CB BKN020\n(TEMPO 2212/2214 17012G26KT 1000\nTSRA SCT010CB BKN020)\nPrevailing visibility (C)\nnnnn\nC\nA\nV\nO\nK\nBECMG 3010/3011 00000MPS 2400 OVC010\n(BECMG 3010/3011 00000KT 2400\nOVC010)\nPROB30 1412/1414 0800 FG\nWeather phenomenon: intensity (C)\n– or +\n—\nNSW\nBECMG 1412/1414 RA\nTEMPO 2503/2504 FZRA\nTEMPO 0612/0615 BLSN\nPROB40 TEMPO 2923/3001 0500 FG\nWeather phenomenon: characteristics and type (C)\nDZ or\nRA or\nSN or\nSG or\nPL or\nDS or\nSS or\nFZDZ or\nFZRA or\nSHGR or\nSHGS or\nSHRA or\nSHSN or\nTSGR or\nTSGS or\nTSRA or\nTSSN\nFG or\nBR or\nSA or\nDU or\nHZ or\nFU or\nVA or\nSQ or\nPO or\nFC or\nTS or\nBCFG or\nBLDU or\nBLSA or\nBLSN or\nDRDU or\nDRSA or\nDRSN or\nFZFG or\nMIFG or\nPRFG\nCloud amount and height of base or vertical visibility (C)\nFEWnnn or\nSCTnnn or\nBKNnnn or\nOVCnnn\nVVnnn or\nVV///\nNSC\nFM051230 15004MPS 9999 BKN020\n(FM051230 15008KT 9999 BKN020)\nBECMG 1618/1620 8000 NSW NSC\nCloud type (C)\nCB or\nTCU\n—\nBECMG 2306/2308 SCT015CB BKN020\nRanges and resolutions for the numerical elements included in TAF\nThere is no aeronautical requirement to report surface wind speeds of 100 kt (50 m/s) or more; however, provision has been made for reporting wind speeds up to 199 kt (99 m/s) for non-aeronautical purposes, as necessary.\nElements\nRange\nResolution\nWind direction:\n° true\n000–360\n10\nWind speed:\nMPS\n00–99\n1\nKT\n0–199\n1\nVisibility:\nM\n0000–0750\n50\nM\n0800–4 900\n100\nM\n5 000–9 000\n1 000\nM\n10 000 –\n0 (fixed value: 9 999 )\nVertical visibility:\n30’s M (100’s FT)\n000–020\n1\nCloud: height of cloud base:\n30’s M (100’s FT)\n000–099\n100–200\n1\n10\nAir temperature (maximum and minimum):\n°C\n–80 – +60\n1",
  "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": "To be included whenever applicable. No qualifier for moderate intensity."
    },
    {
      "type": "footnote",
      "label": "f2",
      "text": "Up to four cloud layers."
    },
    {
      "type": "footnote",
      "label": "f3",
      "text": "Consisting of up to a maximum of four temperatures (two maximum temperatures and two minimum temperatures)."
    },
    {
      "type": "footnote",
      "label": "f4",
      "text": "There is no aeronautical requirement to report surface wind speeds of 100 kt (50 m/s) or more; however, provision has been made for reporting wind speeds up to 199 kt (99 m/s) for non-aeronautical purposes, as necessary."
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eur/2017/373/annex/V/appendix/3",
    "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."
}