{
  "url": "https://openlegislation.uk/draft-air-navigation-environmental-standards-order-2001/article-3",
  "json_url": "https://openlegislation.uk/draft-air-navigation-environmental-standards-order-2001/article-3.json",
  "legislation": "ukdsi/2001/0110390865",
  "legislation_title": "The Air Navigation (Environmental Standards) Order 2001",
  "legislation_url": "https://openlegislation.uk/draft-air-navigation-environmental-standards-order-2001",
  "path": "article/3",
  "kind": "article",
  "number": "3",
  "heading": "Interpretation",
  "text": "(1) In this Order—\n“adversely” means, for the purpose of the definition of “derived version” an increase by more than 0.3dB to any one of the noise certification levels;\n“aircraft type certificate” means a certificate indicating that the type of aircraft to which the certificate refers is acceptable for airworthiness certification;\n“authorised person” means any constable and any person authorised by the CAA (whether by name or by class or description) either generally or in relation to a particular case or class of cases;\n“derived version” means an aircraft which, from the point of view of airworthiness, is similar to the aircraft in respect of which a noise type certificate has been granted but incorporates changes in type design which may affect its noise characteristics adversely;\n“jet aeroplane” means an aeroplane powered by turbo jet engines or turbo fan engines;\n“Mircolight aeroplane” means an aeroplane designed to carry not more than two persons which has:\n(a) a maximum total weight authorised not exceeding:\n(b) 300 kg for a single seat landplane (or 390 kg for a single seat landplane in respect of which a United Kingdom permit to fly or certificate of airworthiness was in force prior to 1st January 2003),\n(ii) 450 kg for a two seat landplane,\n(iii) 330 kg for a single seat amphibian or floatplane, or\n(iv) 495 kg for a two seat amphibian or floatplane; and\n(f) either a wing loading at the maximum total weight authorised not exceeding 25 kg per square metre or a stalling speed at the maximum total weight authorised not exceeding 35 knots calibrated airspeed;\n“noise certificate” means a certificate issued by the CAA in accordance with article 5 or a certificate or other document issued or validated in accordance with article 4;\n“noise type certificate” means a certificate indicating that the type of aircraft to which the certificate refers is acceptable for noise certification;\n“prescribed” means prescribed by regulations made by the Secretary of State under this Order;\n“rated output” has the meaning specified in Part I, Chapter 1 of Volume II of Annex 16;\n“smoke” means the carbonaceous materials in exhaust emissions which obscure the transmission of light;\n“subsonic aeroplane” means an aeroplane which is incapable of sustaining level flight at a speed in excess of flight mach 1.0;\n“supersonic aeroplane” means an aeroplane which is capable of sustaining level flight at a speed in excess of flight mach 1.0;\nVolume I of Annex 16 means the third edition—July 1993 of Volume I of Annex 16 to the Chicago Convention as amended by Amendment 6 dated 4th November 1999;\nVolume II of Annex 16 means the second edition—July 1993 of Volume II of Annex 16 to the Chicago Convention as amended by Amendment 3 dated 20th March 1997, Amendment 4 dated 4th November 1999, Supplement dated 31st December 1994 and Amendment to Supplement dated 25th March 1999.\n(2) Other expressions used in this Order and in the Air Navigation Order 2000 shall have the same meaning in this Order as they have in that Order.",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "footnote",
      "label": "f1",
      "text": "This Annex was published by the International Civil Aviation Organisation."
    },
    {
      "type": "footnote",
      "label": "f2",
      "text": "S.I. 2000/1562, to which there are amendments not relevant to this Order."
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/ukdsi/2001/0110390865/article/3",
    "retrieved_at": "2026-10-30T15:26:29.771460+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."
}