{
  "url": "https://openlegislation.uk/air-navigation-carbon-offsetting-and-reduction-scheme-for-international-aviation-order-2021/schedule-3/paragraph-2",
  "json_url": "https://openlegislation.uk/air-navigation-carbon-offsetting-and-reduction-scheme-for-international-aviation-order-2021/schedule-3/paragraph-2.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": "schedule/3/paragraph/2",
  "kind": "paragraph",
  "number": "2",
  "heading": "Use of the CERT for complying with monitoring and reporting requirements",
  "text": "(1) The aeroplane operator must use the CERT according to the eligibility criteria as described in article 22 of this Order and upon approval by the Regulator.\n(2) The aeroplane operator must use either—\n(a) the Block Time input method, or\n(b) the Great Circle Distance input method,\nto enter the necessary information into the CERT.\n(3) The aeroplane operator approved to use the Block Time input method—\n(a) must collect the following data and must enter it into the CERT to estimate its CO2 emissions during the compliance year—\n(i) ICAO aircraft type - model designator,\n(ii) origin aerodrome ICAO Designator,\n(iii) destination aerodrome ICAO Designator,\n(iv) Block Time (in hours), and\n(v) number of flights,\n(b) may collect the following data and, if collected, must enter it into the CERT to estimate its CO2 emissions during the compliance year—\n(i) date, and\n(ii) flight ID.\n(4) The aeroplane operator approved to use the Great Circle Distance input method—\n(a) must collect the following data and must enter it into the CERT to estimate its CO2 emissions during the compliance year—\n(i) ICAO aircraft type - model designator,\n(ii) origin aerodrome,\n(iii) destination aerodrome, and\n(iv) number of flights,\n(b) may collect the following data and, if collected, must enter it into the CERT to estimate its CO2 emissions during the compliance year—\n(i) date, and\n(ii) flight ID.",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "I",
      "label": "I1",
      "text": "Sch. 3 para. 2 in force at 26.5.2021, see art. 1"
    },
    {
      "type": "footnote",
      "label": "f1",
      "text": "The ICAO aircraft type - model designators are contained in Doc 8643 — Aircraft Type Designators which is available from the ICAO website at www.icao.int. For a hard copy contact the ICAO E-Commerce and Publications Sales Unit at International Civil Aviation Organisation (ICAO), 999 Robert-Bourassa Boulevard, Montreal, Quebec H3C 5H7, Canada (telephone +1 514-954-8219 and e-mail sales@icao.int)."
    },
    {
      "type": "footnote",
      "label": "f2",
      "text": "The origin aerodrome designators are contained in Doc 7910 – Location Indicators which is available from the ICAO website at www.icao.int. For a hard copy contact the ICAO E-Commerce and Publications Sales Unit at International Civil Aviation Organisation (ICAO), 999 Robert-Bourassa Boulevard, Montreal, Quebec H3C 5H7, Canada (telephone +1 514-954-8219 and e-mail sales@icao.int). The CERT will automatically compute Great Circle Distance based on the origin aerodrome and destination aerodrome."
    },
    {
      "type": "footnote",
      "label": "f3",
      "text": "The destination aerodrome designators are contained in Doc 7910 – Location Indicators. The CERT will automatically compute Great Circle Distance based on the origin aerodrome and destination aerodrome."
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/2021/534/schedule/3/paragraph/2",
    "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."
}