{
  "url": "https://openlegislation.uk/rules-of-the-air-regulations-1990/schedule/paragraph-25",
  "json_url": "https://openlegislation.uk/rules-of-the-air-regulations-1990/schedule/paragraph-25.json",
  "legislation": "uksi/1990/2241",
  "legislation_title": "The Rules of the Air Regulations 1990",
  "legislation_url": "https://openlegislation.uk/rules-of-the-air-regulations-1990",
  "path": "schedule/paragraph/25",
  "kind": "paragraph",
  "number": "25",
  "heading": "Minimum height",
  "text": "Without prejudice to the provisions of rule 5 of these Rules, in order to comply with the Instrument Flight Rules an aircraft shall not fly at a height of less than 1000 feet above the highest obstacle within a distance of 5 nautical miles of the aircraft unless:\n(a) it is necessary for the aircraft to do so in order to take off or land;\n(b) the aircraft is flying on a route notified for the purposes of this rule;\n(c) the aircraft has been otherwise authorised by the competent authority; or\n(d) the aircraft is flying at an altitude not exceeding 3000 feet above mean sea level and remains clear of cloud and in sight of the surface.",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/1990/2241/schedule/paragraph/25",
    "retrieved_at": "2026-10-29T14:57:54.318101+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."
}