{
  "url": "https://openlegislation.uk/air-navigation-order-2016/article-49",
  "json_url": "https://openlegislation.uk/air-navigation-order-2016/article-49.json",
  "legislation": "uksi/2016/765",
  "legislation_title": "The Air Navigation Order 2016",
  "legislation_url": "https://openlegislation.uk/air-navigation-order-2016",
  "path": "article/49",
  "kind": "article",
  "number": "49",
  "heading": "Requirement for and validity of a national airworthiness review certificate",
  "text": "(1) An aircraft with a national certificate of airworthiness must not fly unless it has a valid national airworthiness review certificate.\n(2) Subject to articles ... 50, 56, 57, 58 and 253, a national airworthiness review certificate is valid for one year.",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "Word in art. 49(2) omitted (14.12.2017) by virtue of The Air Navigation (Amendment) Order 2017 (S.I. 2017/1112), arts. 1, 14"
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/2016/765/article/49",
    "retrieved_at": "2026-10-28T23:21:35.381803+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."
}