{
  "url": "https://openlegislation.uk/air-navigation-isle-of-man-order-2015/schedule-4/paragraph-7",
  "json_url": "https://openlegislation.uk/air-navigation-isle-of-man-order-2015/schedule-4/paragraph-7.json",
  "legislation": "uksi/2015/870",
  "legislation_title": "The Air Navigation (Isle of Man) Order 2015",
  "legislation_url": "https://openlegislation.uk/air-navigation-isle-of-man-order-2015",
  "path": "schedule/4/paragraph/7",
  "kind": "paragraph",
  "number": "7",
  "heading": null,
  "text": "In this Schedule—\n(a) “Airborne collision avoidance system” means an aeroplane system which—\n(i) conforms to requirements prescribed for the purpose;\n(ii) is based on secondary surveillance radar transponder signals;\n(iii) operates independently of ground based equipment; and\n(iv) is designed to provide advice and appropriate avoidance manoeuvres to the pilot in relation to other aeroplanes which are equipped with secondary surveillance radar and are in undue proximity;\n(b) “Automatic direction finding equipment” means radio navigation equipment which automatically indicates the bearing of any radio station transmitting the signals received by such equipment;\n(c) “Distance measuring equipment” means radio equipment capable of providing a continuous indication of the aircraft’s distance from the appropriate aeronautical radio stations;\n(d) “Mode A” means replying to an interrogation from secondary surveillance radar units on the surface to elicit transponder replies for identity and surveillance with identity provided in the form of a four digit identity code;\n(e) “Mode C” means replying to an interrogation from secondary surveillance radar units on the surface to elicit transponder replies for automatic pressure-altitude transmission and surveillance;\n(f) “Secondary surveillance radar equipment” means such type of radio equipment as may be notified as being capable of—\n(i) replying to an interrogation from secondary surveillance radar units on the surface; and\n(ii) being operated in accordance with such instructions as may be given to the aircraft by the appropriate air traffic control unit;\n(g) “VHF omni-range equipment” means radio navigation equipment capable of giving visual indications of bearings of the aircraft by means of signals received from very high frequency omni-directional radio ranges.",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "I",
      "label": "I1",
      "text": "Sch. 4 para. 7 in force at 1.5.2015, see art. 1"
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/2015/870/schedule/4/paragraph/7",
    "retrieved_at": "2026-10-28T23:40:33.436917+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."
}