{
  "url": "https://openlegislation.uk/air-navigation-order-2016/article-231",
  "json_url": "https://openlegislation.uk/air-navigation-order-2016/article-231.json",
  "legislation": "uksi/2016/765",
  "legislation_title": "The Air Navigation Order 2016",
  "legislation_url": "https://openlegislation.uk/air-navigation-order-2016",
  "path": "article/231",
  "kind": "article",
  "number": "231",
  "heading": "Use of flight recording systems",
  "text": "(1) On a flight on which a flight data recorder, a cockpit voice recorder or a combined cockpit voice recorder and flight data recorder is required by paragraph 4(4) or (5) of Part 1 of Schedule 6 to be carried in an aeroplane, the recorder must always be in use from the beginning of the take-off run to the end of the landing run.\n(2) On any flight on which a cockpit voice recorder, a flight data recorder or a combined cockpit voice recorder and flight data recorder is required by paragraph 4(13) of Part 1 of Schedule 6 to be carried in a helicopter, the recorder must always be in use from the time the rotors first turn for the purpose of taking off until the rotors are next stopped.",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "Words in art. 231(1) substituted (14.12.2017) by The Air Navigation (Amendment) Order 2017 (S.I. 2017/1112), arts. 1, 39(a)"
    },
    {
      "type": "F",
      "label": "F2",
      "text": "Word in art. 231(2) substituted (14.12.2017) by The Air Navigation (Amendment) Order 2017 (S.I. 2017/1112), arts. 1, 39(b)"
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/2016/765/article/231",
    "retrieved_at": "2026-10-28T23:21:35.381803+00:00",
    "licence": "OGL-UK-3.0",
    "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."
  }
}