{
  "url": "https://openlegislation.uk/merchant-shipping-smooth-and-partially-smooth-waters-regulations-1987",
  "json_url": "https://openlegislation.uk/merchant-shipping-smooth-and-partially-smooth-waters-regulations-1987.json",
  "id": "uksi/1987/1591",
  "title": "The Merchant Shipping (Smooth and Partially Smooth Waters) Regulations 1987",
  "short_title": "Merchant Shipping (Smooth and Partially Smooth Waters) 1987",
  "long_title": "These Regulations replace the Merchant Shipping (Smooth and Partially Smooth Waters) Rules 1977 as amended in 1977, 1978 and 1984. They extend the winter and summer partially smooth water limits for Lerwick to the northward and specify a new winter area of partially smooth waters in Dales Voe and a new area of smooth waters at Aberystwyth. In other respects the limits of smooth and partially smooth waters remain unchanged.",
  "citation": "S.I. 1987/1591",
  "type": "uksi",
  "year": "1987",
  "number": "1591",
  "version": "current",
  "date": "1987-09-08",
  "revised": false,
  "valid_from": null,
  "extent": null,
  "unapplied_effects": 1,
  "provisions": [
    {
      "path": "introduction",
      "kind": "introduction",
      "number": null,
      "heading": "Introductory text",
      "url": "https://openlegislation.uk/merchant-shipping-smooth-and-partially-smooth-waters-regulations-1987/introduction",
      "extent": null,
      "status": null,
      "parent": null
    },
    {
      "path": "regulation/1",
      "kind": "regulation",
      "number": "1",
      "heading": null,
      "url": "https://openlegislation.uk/merchant-shipping-smooth-and-partially-smooth-waters-regulations-1987/regulation-1",
      "extent": null,
      "status": null,
      "parent": null
    },
    {
      "path": "regulation/2",
      "kind": "regulation",
      "number": "2",
      "heading": null,
      "url": "https://openlegislation.uk/merchant-shipping-smooth-and-partially-smooth-waters-regulations-1987/regulation-2",
      "extent": null,
      "status": null,
      "parent": null
    },
    {
      "path": "regulation/3",
      "kind": "regulation",
      "number": "3",
      "heading": null,
      "url": "https://openlegislation.uk/merchant-shipping-smooth-and-partially-smooth-waters-regulations-1987/regulation-3",
      "extent": null,
      "status": null,
      "parent": null
    },
    {
      "path": "signature",
      "kind": "signature",
      "number": null,
      "heading": "Signature",
      "url": "https://openlegislation.uk/merchant-shipping-smooth-and-partially-smooth-waters-regulations-1987/signature",
      "extent": null,
      "status": null,
      "parent": null
    },
    {
      "path": "schedule",
      "kind": "schedule",
      "number": null,
      "heading": "LIMITS OF SMOOTH WATER AND PARTIALLY SMOOTH WATER AREAS",
      "url": "https://openlegislation.uk/merchant-shipping-smooth-and-partially-smooth-waters-regulations-1987/schedule",
      "extent": null,
      "status": null,
      "parent": null
    },
    {
      "path": "note",
      "kind": "note",
      "number": null,
      "heading": "Explanatory note",
      "url": "https://openlegislation.uk/merchant-shipping-smooth-and-partially-smooth-waters-regulations-1987/note",
      "extent": null,
      "status": null,
      "parent": null
    }
  ],
  "has_text": true,
  "pdfs": [
    {
      "title": "Printed copy",
      "main": true,
      "language": null,
      "date": "2023-11-22",
      "size": 670827,
      "url": "https://openlegislation.uk/merchant-shipping-smooth-and-partially-smooth-waters-regulations-1987/pdf/uksi_19871591_en.pdf",
      "source_url": "https://www.legislation.gov.uk/uksi/1987/1591/pdfs/uksi_19871591_en.pdf"
    }
  ],
  "outstanding_effects": [
    {
      "type": "revoked",
      "affected_provisions": "Instrument",
      "affecting": "uksi/1992/2356",
      "affecting_title": "The Merchant Shipping (Categorisation of Waters) Regulations 1992",
      "affecting_provisions": "reg.1(2)"
    }
  ],
  "made_under": [
    {
      "id": "ukpga/1979/39",
      "title": "Merchant Shipping Act 1979",
      "url": "https://openlegislation.uk/merchant-shipping-act-1979",
      "provisions": [
        "section/21",
        "section/22"
      ]
    }
  ],
  "changes_made_to": 1,
  "changes_made_to_url": "https://openlegislation.uk/merchant-shipping-smooth-and-partially-smooth-waters-regulations-1987/changes.json",
  "changes_made_by": 4,
  "changes_made_by_url": "https://openlegislation.uk/merchant-shipping-smooth-and-partially-smooth-waters-regulations-1987/changes/by-it.json",
  "instruments_made_under": 0,
  "instruments_made_under_url": "https://openlegislation.uk/merchant-shipping-smooth-and-partially-smooth-waters-regulations-1987/instruments.json",
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/1987/1591",
    "retrieved_at": "2026-10-29T16:20:32.214312+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."
}