{
  "url": "https://openlegislation.uk/eu-regulation-2014-139/annex-IV/division-1/division-5",
  "json_url": "https://openlegislation.uk/eu-regulation-2014-139/annex-IV/division-1/division-5.json",
  "legislation": "eur/2014/139",
  "legislation_title": "Commission Regulation (EU) No 139/2014 of 12 February 2014 laying down requirements and administrative procedures related to aerodromes pursuant to Regulation (EC) No 216/2008 of the European Parliament and of the Council (Text with EEA relevance)",
  "legislation_url": "https://openlegislation.uk/eu-regulation-2014-139",
  "path": "annex/IV/division/1/division/5",
  "kind": "division",
  "number": null,
  "heading": "ADR.OPS.A.025 Data error detection and authentication",
  "text": "When originating, processing or transmitting data to the aeronautical information service (AIS) provider, the aerodrome operator shall:\n(a)) ensure that digital data error detection techniques are used during the transmission and storage of aeronautical data, in order to support the applicable data integrity levels;\n(b)) ensure that the transfer of aeronautical data is subject to a suitable authentication process such that recipients are able to confirm that the data or information has been transmitted by an authorised source.",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "Annex 4 points ADR.OPS.A.020-ADR.OPS.A.055 inserted (27.1.2022) by The Aviation Safety (Amendment) (No. 3) Regulations 2021 (S.I. 2021/1203), regs. 1(3), 15(3)"
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eur/2014/139/annex/IV/division/1/division/5",
    "retrieved_at": "2026-11-01T14:47:57.027384+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."
}