{
  "url": "https://openlegislation.uk/eu-regulation-2020-587/annex-II",
  "json_url": "https://openlegislation.uk/eu-regulation-2020-587/annex-II.json",
  "legislation": "eur/2020/587",
  "legislation_title": "Commission Implementing Regulation (EU) 2020/587 of 29 April 2020 amending Implementing Regulation (EU) No 1206/2011 laying down requirements on aircraft identification for surveillance for the single European sky and Implementing Regulation (EU) No 1207/2011 laying down requirements for the performance and the interoperability of surveillance for the single European sky (Text with EEA relevance)",
  "legislation_url": "https://openlegislation.uk/eu-regulation-2020-587",
  "path": "annex/II",
  "kind": "annex",
  "number": "II",
  "heading": null,
  "text": "Annex II to Implementing Regulation (EU) No 1207/2011 is amended as follows:\n(1) Part A is amended as follows:\n(a) point 1 is replaced by the following:\n1. ‘The minimum capability for the secondary surveillance transponder shall be Mode S Level 2 meeting the performance and functionality criteria of Annex 10 to the Chicago Convention, Volume IV, Third Edition including all amendments up to No 77.’;\n(b) point 5 is replaced by the following:\n5. ‘The data items referred to in point 4 shall only be transmitted by the transponder via the Mode S protocol. The aircraft and equipment certification process shall cover the transmission of those data items.’;\n(c) point 6 is deleted;\n(2) Part B is amended as follows:\n(a) point 1 is replaced by the following:\n1. ‘The minimum capability for the secondary surveillance transponder shall be Mode S Level 2 meeting the performance and functionality criteria of Annex 10 to the Chicago Convention, Volume IV, Third Edition including all amendments up to No 77.’;\n(b) point 15 is replaced by the following:\n15. ‘Except for military reserved formats, the data items referred to in point 14 shall only be transmitted by the transponder via the extended squitter ADS-B protocol. The aircraft and equipment certification process shall cover the transmission of these data items.’;\n(c) point 16 is deleted;\n(3) Part C is amended as follows:\n(a) in point 2, the introductory phrase is replaced by the following:\n2. ‘The following data items, where available on a digital bus, shall be transmitted by the transponder as requested by the ground-based surveillance chain, via the Mode S protocol and in accordance with the formats specified in ICAO document 9871 (2nd edition):’;\n(b) point 4 is replaced by the following:\n4. ‘The data items referred to in point 3 shall only be transmitted by the transponder via the Mode S protocol. The aircraft and equipment certification process shall cover the transmission of these data items.’.",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eur/2020/587/annex/II",
    "retrieved_at": "2026-11-01T14:42:42.183288+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."
}