{
  "url": "https://openlegislation.uk/eu-regulation-2005-2150/article-2",
  "json_url": "https://openlegislation.uk/eu-regulation-2005-2150/article-2.json",
  "legislation": "eur/2005/2150",
  "legislation_title": "Commission Regulation (EC) No 2150/2005 of 23 December 2005 laying down common rules for the flexible use of airspace (Text with EEA relevance)",
  "legislation_url": "https://openlegislation.uk/eu-regulation-2005-2150",
  "path": "article/2",
  "kind": "article",
  "number": "2",
  "heading": "Definitions",
  "text": "1. For the purpose of this Regulation the definitions established by Regulation (EC) No 549/2004 shall apply.\n2. In addition to the definitions referred to in paragraph 1, the following definitions shall apply:\n(a) ‘airspace management cell (AMC)’ means a cell responsible for the day-to-day management of airspace;\n(b) ‘airspace reservation’ means a defined volume of airspace temporarily reserved for exclusive or specific use by categories of users;\n(c) ‘airspace restriction’ means a defined volume of airspace within which, variously, activities dangerous to the flight of aircraft may be conducted at specified times (a ‘danger area’); or such airspace situated above the land areas or territorial waters of a State, within which the flight of aircraft is restricted in accordance with certain specified conditions (a ‘restricted area’); or airspace situated above the land areas or territorial waters of a State, within which the flight of aircraft is prohibited (a ‘prohibited area’);\n(d) ‘airspace structure’ means a specific volume of airspace designed to ensure the safe and optimal operation of aircraft;\n(e) ‘air traffic services unit’ (ATS unit) means a unit, civil or military, responsible for providing air traffic services;\n(f) ‘civil-military coordination’ means the coordination between civil and military parties authorised to make decisions and agree a course of action;\n(g) ‘controlling military unit’ means any fixed or mobile military unit handling military air traffic and/or pursuing other activities which, owing to their specific nature, may require an airspace reservation or restriction;\n(h) ‘cross-border airspace’ means an airspace structure extending across national borders and/or the boundaries of flight information regions;\n(i) ‘flight intention’ means the flight path and associated flight data describing the planned trajectory of a flight to its destination, as updated at any moment;\n(j) ‘flight path’ means the path of an aircraft through the air, defined in three dimensions;\n(k) ‘real-time’ means the actual time during which a process or event occurs;\n(l) ‘separation’ means spacing between aircraft, levels or tracks;\n(m) ‘users’ means civil or military aircraft operating in the air as well as any other parties requiring airspace.",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "Word in Art. 2(2)(a) substituted (31.12.2020) by The Air Traffic Management (Amendment etc.) (EU Exit) Regulations 2019 (S.I. 2019/459), regs. 1(2), 85; 2020 c. 1, Sch. 5 para. 1(1)"
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eur/2005/2150/article/2",
    "retrieved_at": "2026-11-01T14:54:01.947038+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."
}