{
  "url": "https://openlegislation.uk/eu-regulation-2012-965/annex-V/division-subpart+k/division-spahofo155",
  "json_url": "https://openlegislation.uk/eu-regulation-2012-965/annex-V/division-subpart+k/division-spahofo155.json",
  "legislation": "eur/2012/965",
  "legislation_title": "Commission Regulation (EU) No 965/2012 of 5 October 2012 laying down technical requirements and administrative procedures related to air operations pursuant to Regulation (EC) No 216/2008 of the European Parliament and of the Council",
  "legislation_url": "https://openlegislation.uk/eu-regulation-2012-965",
  "path": "annex/V/division/subpart+k/division/spahofo155",
  "kind": "division",
  "number": "SPA.HOFO.155",
  "heading": "Vibration health monitoring (VHM) system",
  "text": "(a) The following helicopters conducting CAT offshore operations in a hostile environment shall be fitted with a VHM system capable of monitoring the status of critical rotor and rotor drive systems by 1 January 2019 :\n(1) complex motor-powered helicopters first issued with an individual Certificate of Airworthiness (C of A) after 31 December 2016 ;\n(2) all helicopters with a maximum operational passenger seating configuration (MOPSC) of more than 9 and first issued with an individual C of A before 1 January 2017 ;\n(3) all helicopters first issued with an individual C of A after 31 December 2018 .\n(b) The operator shall have a system to:\n(1) collect the data including system generated alerts;\n(2) analyse and determine component serviceability; and\n(3) respond to detected incipient failures.",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "Inserted by Commission Regulation (EU) 2016/1199 of 22 July 2016 amending Regulation (EU) No 965/2012 as regards operational approval of performance-based navigation, certification and oversight of data services providers and helicopter offshore operations, and correcting that Regulation."
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eur/2012/965/annex/V/division/subpart+k/division/spahofo155",
    "retrieved_at": "2026-11-01T14:49:05.762953+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."
}