{
  "url": "https://openlegislation.uk/air-navigation-fourth-amendment-order-1999",
  "json_url": "https://openlegislation.uk/air-navigation-fourth-amendment-order-1999.json",
  "id": "uksi/1999/1123",
  "title": "The Air Navigation (Fourth Amendment) Order 1999",
  "long_title": "This Order further amends the Air Navigation (No. 2) Order 1995. In addition to minor and drafting amendments, the following changes are made:",
  "citation": "S.I. 1999/1123",
  "type": "uksi",
  "year": "1999",
  "number": "1123",
  "version": "current",
  "date": "1999-04-13",
  "revised": false,
  "valid_from": null,
  "extent": null,
  "unapplied_effects": 1,
  "provisions": [
    {
      "path": "introduction",
      "kind": "introduction",
      "number": null,
      "heading": "Introductory text",
      "url": "https://openlegislation.uk/air-navigation-fourth-amendment-order-1999/introduction",
      "extent": null,
      "status": null,
      "parent": null
    },
    {
      "path": "article/1",
      "kind": "article",
      "number": "1",
      "heading": "Citation and Commencement",
      "url": "https://openlegislation.uk/air-navigation-fourth-amendment-order-1999/article-1",
      "extent": null,
      "status": null,
      "parent": null
    },
    {
      "path": "article/2",
      "kind": "article",
      "number": "2",
      "heading": "Citation and Commencement",
      "url": "https://openlegislation.uk/air-navigation-fourth-amendment-order-1999/article-2",
      "extent": null,
      "status": null,
      "parent": null
    },
    {
      "path": "article/3",
      "kind": "article",
      "number": "3",
      "heading": "Article 83 bis of the Chicago Convention",
      "url": "https://openlegislation.uk/air-navigation-fourth-amendment-order-1999/article-3",
      "extent": null,
      "status": null,
      "parent": null
    },
    {
      "path": "article/4",
      "kind": "article",
      "number": "4",
      "heading": "Airborne Collision Avoidance Systems",
      "url": "https://openlegislation.uk/air-navigation-fourth-amendment-order-1999/article-4",
      "extent": null,
      "status": null,
      "parent": null
    },
    {
      "path": "article/5",
      "kind": "article",
      "number": "5",
      "heading": "Flying Displays",
      "url": "https://openlegislation.uk/air-navigation-fourth-amendment-order-1999/article-5",
      "extent": null,
      "status": null,
      "parent": null
    },
    {
      "path": "article/6",
      "kind": "article",
      "number": "6",
      "heading": "Recording of military flight time",
      "url": "https://openlegislation.uk/air-navigation-fourth-amendment-order-1999/article-6",
      "extent": null,
      "status": null,
      "parent": null
    },
    {
      "path": "article/7",
      "kind": "article",
      "number": "7",
      "heading": "Flight Information Service",
      "url": "https://openlegislation.uk/air-navigation-fourth-amendment-order-1999/article-7",
      "extent": null,
      "status": null,
      "parent": null
    },
    {
      "path": "article/8",
      "kind": "article",
      "number": "8",
      "heading": "Reporting of serious incidents",
      "url": "https://openlegislation.uk/air-navigation-fourth-amendment-order-1999/article-8",
      "extent": null,
      "status": null,
      "parent": null
    },
    {
      "path": "article/9",
      "kind": "article",
      "number": "9",
      "heading": "Penalties for failing to comply with requirements for area navigation equipment",
      "url": "https://openlegislation.uk/air-navigation-fourth-amendment-order-1999/article-9",
      "extent": null,
      "status": null,
      "parent": null
    },
    {
      "path": "article/10",
      "kind": "article",
      "number": "10",
      "heading": "Penalties",
      "url": "https://openlegislation.uk/air-navigation-fourth-amendment-order-1999/article-10",
      "extent": null,
      "status": null,
      "parent": null
    },
    {
      "path": "signature",
      "kind": "signature",
      "number": null,
      "heading": "Signature",
      "url": "https://openlegislation.uk/air-navigation-fourth-amendment-order-1999/signature",
      "extent": null,
      "status": null,
      "parent": null
    },
    {
      "path": "note",
      "kind": "note",
      "number": null,
      "heading": "Explanatory note",
      "url": "https://openlegislation.uk/air-navigation-fourth-amendment-order-1999/note",
      "extent": null,
      "status": null,
      "parent": null
    }
  ],
  "outstanding_effects": [
    {
      "type": "revoked",
      "affected_provisions": "Order",
      "affecting": "uksi/2000/1562",
      "affecting_title": "The Air Navigation Order 2000",
      "affecting_provisions": "Sch. 1"
    }
  ],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/1999/1123",
    "retrieved_at": "2026-10-29T10:50:04.853130+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."
}