{
  "url": "https://openlegislation.uk/air-navigation-carbon-offsetting-and-reduction-scheme-for-international-aviation-order-2021/article-6",
  "json_url": "https://openlegislation.uk/air-navigation-carbon-offsetting-and-reduction-scheme-for-international-aviation-order-2021/article-6.json",
  "legislation": "uksi/2021/534",
  "legislation_title": "The Air Navigation (Carbon Offsetting and Reduction Scheme for International Aviation) Order 2021",
  "legislation_url": "https://openlegislation.uk/air-navigation-carbon-offsetting-and-reduction-scheme-for-international-aviation-order-2021",
  "path": "article/6",
  "kind": "article",
  "number": "6",
  "heading": "Units",
  "text": "The non-SI units listed in column 2 of the Table must be used either in lieu of, or in addition to, SI units as primary units of measurement under this Order.\nTable\nNon-SI units for use with SI units\nSpecific quantity\nNon-SI Unit\nSymbol\nDefinition (in terms of SI units)\nMass\ntonne\nT\n1 t = 103 kg\nTime\nhour\nH\n1 h = 60 min = 3,600 s\nVolume\nlitre\nL\n1 L = 1 dm3 = 10-3 m3",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "I",
      "label": "I1",
      "text": "Art. 6 in force at 26.5.2021, see art. 1"
    },
    {
      "type": "footnote",
      "label": "f1",
      "text": "The International System of Units (SI), commonly known as the metric system, is the international standard for measurement."
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/2021/534/article/6",
    "retrieved_at": "2026-10-28T22:14:08.873830+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."
}