{
  "url": "https://openlegislation.uk/air-navigation-overseas-territories-order-2001/schedule-13/paragraph-25",
  "json_url": "https://openlegislation.uk/air-navigation-overseas-territories-order-2001/schedule-13/paragraph-25.json",
  "legislation": "uksi/2001/2128",
  "legislation_title": "The Air Navigation (Overseas Territories) Order 2001",
  "legislation_url": "https://openlegislation.uk/air-navigation-overseas-territories-order-2001",
  "path": "schedule/13/paragraph/25",
  "kind": "paragraph",
  "number": "25",
  "heading": "Flight within controlled airspace",
  "text": "(1) Within Class B airspace:\n(a) an aircraft flying within Class B airspace at or above flight level 100 shall remain clear of cloud and in a flight visibility of at least 8 km;\n(b) an aircraft flying within Class B airspace below flight level 100 shall remain clear of cloud and in a flight visibility of at least 5 km.\n(2) Within Class C, Class D or Class E airspace:\n(a) an aircraft flying within Class C, Class D or Class E airspace at or above flight level 100 shall remain at least 1,500 metres horizontally and 1,000 feet vertically away from cloud and in a flight visibility of at least 8 km;\n(b) subject to sub-paragraph (c), an aircraft flying within Class C, Class D or Class E airspace below flight level 100 shall remain at least 1,500 metres horizontally and 1,000 feet vertically away from cloud and in a flight visibility of at least 5 km;\n(c) sub-paragraph (b) shall be deemed to be complied with if:\n(i) the aircraft is not a helicopter and is flying at or below 3,000 feet above mean sea level at a speed which, according to its airspeed indicator, is 140 knots or less and it remains clear of cloud, in sight of the surface and in a flight visibility of at least 5 km; or\n(ii) the aircraft is a helicopter flying at or below 3,000 feet above mean sea level and it remains clear of cloud and in sight of the surface.",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [
    {
      "type": "substituted",
      "affecting": "uksi/2004/2038",
      "affecting_title": "The Air Navigation (Overseas Territories) (Amendment) Order 2004"
    }
  ],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/2001/2128/schedule/13/paragraph/25",
    "retrieved_at": "2026-10-29T07:46:58.719336+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."
}