{
  "url": "https://openlegislation.uk/fishing-vessels-life-saving-appliances-regulations-1988/schedule-2/paragraph-4",
  "json_url": "https://openlegislation.uk/fishing-vessels-life-saving-appliances-regulations-1988/schedule-2/paragraph-4.json",
  "legislation": "uksi/1988/38",
  "legislation_title": "The Fishing Vessels (Life-Saving Appliances) Regulations 1988",
  "legislation_url": "https://openlegislation.uk/fishing-vessels-life-saving-appliances-regulations-1988",
  "path": "schedule/2/paragraph/4",
  "kind": "paragraph",
  "number": "4",
  "heading": null,
  "text": "Performance\n4.1 A lifejacket light shall not be damaged in stowage throughout an air temperature range of −30 degsC to +65 degsC.\n4.2 It shall operate as prescribed in paragraphs 4.7 and 4.8 throughout a sea water temperature range of −1 degsC to +30 degsC. It shall also be capable of operating in fresh water.\n4.3 It shall be capable of operation in a sea-way when attached to a lifejacket .\n4.4 It shall be visible over as great a segment of the upper hemisphere as is practicable when attached to a lifejacket.\n4.5 A flashing light shall flash at a rate of not less than 50 flashes per minute and shall attain this rate within 5 minutes of activation.\n4.6 A water activated light shall commence functioning within 2 minutes of immersion and have reached a luminous intensity of 0.75 candela within 5 minutes in salt water at temperatures of −1 degsC and +30 degsC, and within 10 minutes in fresh water at ambient temperature.\n4.7 A fixed light and a flashing light with a flash duration of not less than 0.15 seconds shall have a luminous intensity of not less than 0.75 candela. A flashing light with a flash duration of less than 0.15 seconds shall have an effective luminous intensity of not less than 0.75 candela.\n4.8 A light shall have a source of energy capable of providing the luminous intensity, or the effective luminous intensity, as appropriate, for a period of at least 8 hours.\n4.9 The unit and the lifejacket attachment arrangements shall be capable of withstanding a jump into the water from a height of 4.5 metres without the unit being damaged or dislodged or causing injury to the wearer of the lifejacket.\n4.10 The unit shall be capable of withstanding a drop of 2 metres onto a rigidly mounted steel plate or concrete surface.",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [
    {
      "type": "omitted",
      "affecting": "uksi/2001/9",
      "affecting_title": "The Fishing Vessels (Code of Practice for the Safety of Small Fishing Vessels) Regulations 2001"
    }
  ],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/uksi/1988/38/schedule/2/paragraph/4",
    "retrieved_at": "2026-10-29T16:13:22.239282+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."
}