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Offshore Wind

Wind-energy generation and supporting offshore services.

Search and Filter This Topic72 documents from 9 publishers

Documents

  • 20263 Mar

    W2W gangway bumper damaged during demonstration

    IMCASafety FlashIMCA SF 04/26

    A walk-to-work gangway bumper broke off during an emergency-retraction demonstration while connected to an offshore wind turbine transition piece. Vessel movement during an approximately one-second uncompensated delay overloaded the bolts. Nobody was harmed. Actions included crew refamiliarisation, revised demonstration procedures and manufacturer evaluation of a possible software revision requiring class approval.

  • 202612 Jan

    LTI – back injury

    IMCASafety FlashIMCA SF 01/26

    An Able Seaman suffered a lower-back injury while lowering a crew transfer vessel’s gangway onto the quay. The flash examines lone manual handling, crane-position constraints, uncertain gangway weight and inadequate procedural risk controls. Lessons include ideally using two people when mechanical aids cannot be used, reviewing assessments and verifying gangway weights.

  • 202518 Dec

    Two Walk-to-Work gangway incidents

    IMCASafety FlashIMCA SF 23/25

    Two related Walk-to-Work gangway incidents occurred during offshore wind personnel transfers. Hydraulic stiction caused uncontrolled slewing and a collision with the vessel crane. Subsequent modifications introduced an automation logic error that prevented retraction during connection preparation. The flash describes hydraulic adjustments, revised operating procedures and manufacturer testing; neither incident caused injury.

  • 2025Dec

    Health Safety Insight 2025

    OEUKReport

    Annual review of UK offshore energy health and safety, centred on 2024 performance with historical comparisons. It examines hydrocarbon releases, maintenance backlogs, injury trends, medical assessment outcomes and evacuations, including mental health. Offshore aviation analysis covers fleet utilisation, helicopter safety indicators and the inclusion of wind operations.

  • 202516 Apr

    UK HSE: Risk of collision with offshore installations from attendant vessels

    IMCASafety FlashIMCA SF 07/25

    This safety flash summarises five vessel collisions with offshore installations and wind turbines reported in an HSE notice. Cases examine distracted watchkeeping, restricted visibility, dynamic positioning limitations and bridge communication. Recommendations address watchkeeping procedures, bridge resource management, alarm operation, attendant-vessel monitoring and consideration of sailing audits.

  • 2025Mar

    Risk of collision with offshore installations from attendant vessels

    HSESafety AlertED01-2025

    HSE safety notice examines five vessel collisions involving offshore installations and wind turbines. Cases highlight distracted watchkeeping, lost situational awareness, environmental conditions and poor bridge communication. Recommended reviews cover watchkeeping instructions, bridge resource management, navigational alarms and vessel monitoring, with consideration of sailing audits to identify operational bad practice.

  • 202520 Feb

    Crew transfer vessel (CTV) drifts onto turbine tower

    IMCASafety FlashIMCA SF 03/25

    After a successful personnel transfer, a crew transfer vessel drifted into a turbine structure at 0.5 knots while crew completed administrative tasks. No injuries occurred; paintwork damage was noted. The flash examines situational awareness, bridge instrumentation and inappropriate transfer authorisation, emphasising lookout and consideration of vessel position and conditions.

  • 2025

    CHIRP Maritime FEEDBACK 79 (Summer 2025)

    CHIRPDigestMFB 79

    Six confidential maritime reports examine heavy-weather fatalities, navigational audit findings, lifting entanglement, a pilot boarding fall, obstructed firefighting equipment and exposure to residual acid fumes. Commentary connects operational shortcomings with communication, supervision and safety culture, with separate lessons for seafarers, ship managers and regulators.

  • 2025

    SAC Underwater Noise Regulators Working Group Progress Report 2025

    OPREDReport

    Annual review of regulators’ management of impulsive underwater noise in harbour porpoise protected areas during 2025. It describes the shared noise tracker, pre-season predictions, development coordination and twice-weekly scheduling calls. Southern North Sea summer disturbance remained within thresholds; registry improvements, deterrent-range revisions and international initiatives are also covered.

  • 202424 Oct

    Dropped sheave and clump weight

    IMCASafety FlashIMCA SF 21/24

    During wind turbine monopile installation, a clump weight was hoisted into a sheave, breaking it and dropping both components onto the deck. No injuries occurred, but equipment damage and a hydraulic oil spill resulted. The flash highlights simultaneous winch operation, inadequate observation, absent automatic stops and lessons on lift oversight and stopping unsafe work.

  • 20242 Jul

    UK HSE: Service lifts on offshore and onshore wind turbines

    IMCASafety FlashIMCA SF 13/24

    This flash summarises an HSE bulletin following a technician’s serious hand injury involving a wind turbine service lift. It examines inadequate landing-gate guarding and external control positioning, and relays recommendations for immediate design checks, remedial guarding or control relocation, and withdrawal or suitable short-term measures pending completion.

  • 202418 Jun

    Carriage of methanol – dangerous goods – without proper certification

    IMCASafety FlashIMCA SF 12/24

    A workboat transported methanol for refuelling a LIDAR buoy at an offshore wind farm without the required dangerous-goods compliance document. The flash describes inadequate vessel suitability, omissions in contractor risk assessment and apparent lack of awareness. It explains certification requirements for methanol carriage and fully fuelled buoys.

  • 202422 May

    Crew member suspended above deck by lifting equipment

    IMCASafety FlashIMCA SF 10/24

    A trainee deckhand aboard a crew transfer vessel was lifted when his loose work restraint lanyard snagged on a rising hook and wire sling. He fell unharmed between one and two metres onto lifting bags. Lessons address lanyard positioning, clearing rigging of snagging points, communication and stopping unsafe work.

  • 2024May

    Risk of serious injury from motion compensated gangways

    HSESafety AlertED02-2024

    This safety notice addresses serious injury risks during deployment and use of motion compensated gangways, including entrapment, shearing and falls from open walkway ends. It sets out expectations for risk assessment, timely audible and visible auto-retraction warnings, user and operator competence, and inspection and maintenance arrangements.

  • 2024May

    Service lifts in offshore and onshore wind turbines

    HSESafety AlertED01-2024

    Safety notice addressing wind turbine service-lift guarding and external control positioning after a technician sustained serious hand injuries. It calls for immediate design checks, correction of inadequate safeguards, and withdrawal or suitable short-term controls pending completion. Manufacturers and suppliers are directed to address hazards and meet machinery safety requirements.

  • 202419 Apr

    Renewable Energy Modernization Rule

    BSEEGuidance

    Unofficial prepublication final rule modernising US offshore renewable energy regulation. It addresses leasing, meteorological buoy approvals, deferred geotechnical investigations and financial assurance, alongside independent project verification, commissioning, inspections and safety management reporting. Agency responses explain adopted changes, rejected proposals and continuing environmental review obligations.

  • 202412 Feb

    High potential: navigation near offshore wind turbines

    IMCASafety FlashIMCA SF 03/24

    A chartered survey vessel twice breached a wind turbine safety zone while seeking its closest approach line. The flash examines lost situational awareness, unfamiliarity with vessel handling and shortcomings in bridge procedures. Actions address watchkeeping, survey route planning, shift handovers and crew competency vetting.

  • 20249 Jan

    UK MAIB: Workboat collision with wind turbine platform

    IMCASafety FlashIMCA SF 01/24

    A workboat transferring maintenance teams in an offshore wind farm struck a turbine platform after its master became distracted by paperwork. A crewman suffered two broken ribs and the vessel sustained minor damage. Lessons emphasise maintaining a lookout, checking navigation instruments and reviewing administrative demands on vessel crews.

  • 2024

    SAC Noise Management Regulators Working Group Progress Report 2024

    OPREDReport

    Reviews regulators’ work during 2024 to manage impulsive underwater noise in harbour porpoise Special Areas of Conservation. It describes developer coordination, Marine Noise Registry upgrades, quieter unexploded ordnance clearance, piling noise reduction and proposed limits. Summer analysis for the Southern North Sea indicates disturbance remained below daily and seasonal thresholds.

  • 202319 Dec

    NOPSEMA and OIR Research Strategy 2024-2027

    NOPSEMAGuidance

    This strategy identifies collaborative research priorities for environmental management of offshore energy projects. It addresses cumulative impacts, underwater noise, fauna detection, emissions, decommissioning and geological carbon storage. Priorities include seabed remediation, standardised bird monitoring and renewable-energy mitigation research, while distinguishing the regulator’s research end-user role from conducting or funding research.

  • 2023May

    SAC Noise Management Working Group Communications (May 2023)

    OPREDGuidance

    A regulator update on managing underwater noise in harbour porpoise Special Areas of Conservation. It describes low-order unexploded ordnance disposal, licensing coordination, offshore wind piling standards and improvements to the Marine Noise Registry. Workshop proposals and voluntary activity forecasts seek to improve disturbance assessments and coordination between developers.

  • 2023

    CHIRP Maritime FEEDBACK 70 (Spring 2023)

    CHIRPDigestMFB 70

    This maritime incident digest examines single points of safety failure through reports of grounding, steering loss, unsafe fendering, towing difficulties, coercion, obstructed access, collision, maintenance injury, lifting failure and battery fire. Commentary addresses bridge teamwork, workload, isolation, inspection access and emergency arrangements, with practical lessons for vessel crews and managers.

  • 2023

    Ren Split Rule 2023

    BSEEGuidance

    Unofficial pre-publication text of a joint final rule transferring offshore renewable-energy safety, environmental oversight and enforcement regulations from BOEM to BSEE without changing substantive requirements. It sets out revised regulatory parts, agency responsibilities, facility verification, inspections, environmental reviews, reporting and decommissioning provisions, including alternate uses of existing facilities.

  • 2023

    Standards for offshore helicopter landing areas (Version 9.1, 7 January 2026; publisher status Current)

    CAAGuidanceCAP437

    Sets criteria for offshore helicopter landing areas on installations and vessels, alongside wind-turbine winching arrangements. Covers structural loading, obstacle protection, surface friction testing, lighting, motion monitoring, meteorological reporting, rescue and fire-fighting, fuel-system design and maintenance, and passenger preparation. The January 2026 amendment introduces arrangements for temporary safety-critical equipment unserviceability.

  • 202223 Nov

    Connection failure during lifting operation

    IMCASafety FlashIMCA SF 26/22

    A tugger-line splice opened while a Vibro Lifting Tool was being positioned on a windfarm installation vessel. No injuries occurred, and an exclusion zone kept personnel clear. The flash discusses possible contributing factors, including unengineered connections and splice quality, alongside actions addressing competence, inspection, maintenance and suitable shackles.

  • 202220 Jan

    Chemical reaction: person injured during grouting operations

    IMCASafety FlashIMCA SF 02/22

    A grouting worker suffered first-degree burns during high-pressure water-jet cleaning after work on an offshore wind transition piece. Water soaked his coveralls and combined with grout dust to form a corrosive solution. The member attributed the incident to missing safety data sheet information, leaving the risk assessment without mitigation measures.

  • 202220 Jan

    Three bolts sheared on a lifting trunnion

    IMCASafety FlashIMCA SF 02/22

    Following offshore renewables transition-piece installation, a 44 kg lifting-trunnion cover plate fell approximately 0.5 m when three securing screws sheared. The flash identifies an incorrect assumption about sideways loading in screw verification, records work-planning safeguards used, and calls for welding cover plates to the trunnions.

  • 202113 Sep

    Yawing of wind turbine nacelle placed ship in line of fire

    IMCASafety FlashIMCA SF 25/21

    A turbine crew yawed a nacelle without communicating with the vessel bridge, placing a blade in the ship’s intended astern path after personnel and cargo transfers. The vessel moved clear without further event. Actions strengthened communication protocols and procedural controls, requiring positive confirmation that vessels were clear before nacelle movement.

  • 20218 Apr

    Near miss: Vessel approach to wind turbine tower

    IMCASafety FlashIMCA SF 10/21

    Two near misses involved turbine nacelle movement during vessel approaches for offshore personnel transfer. Neither caused harm. The flash examines autonomous-mode selection, cable unwinding and alarm resetting, alongside inadequate warnings, verification, procedures and communication. It explains why turbine STOP mode is necessary for safe docking and transfer.

  • 2021Feb

    SNS RWG Communications (February 2021)

    OPREDGuidance

    The Southern North Sea Regulatory Working Group outlines challenges in reconciling energy development with harbour porpoise conservation. It discusses potential cross-sector application windows, scientific uncertainties about underwater sound, a funded Strategic Advisory Group and an activity tracker supporting cumulative impact assessment and coordination between developers.

  • 202023 Oct

    Windfarm Support Vessel Njord Forseti hit wind turbine tower – Jersey Maritime Administration

    IMCASafety FlashIMCA SF 30/20

    This safety flash summarises findings from Njord Forseti’s collision with a turbine tower in the Southern North Sea. The investigation identified distraction, inadequate lookout and ineffective passage monitoring. Recommendations address COLREGS compliance, potential distractions, passage-monitoring training, appropriate wheelhouse manning and crew resource management.

  • 202031 Jul

    Safety performance in the offshore renewable energy industry

    IMCASafety FlashIMCA SF 23/20

    An IMCA safety flash relays HSE concerns about stalled or potentially declining safety performance in offshore renewable energy. It highlights statutory equipment inspections, training and supervision for newcomers, performance monitoring, realistic scheduling, tested emergency arrangements, fatigue monitoring, and reporting and investigation to prevent recurrence.

  • 2020Jun

    Final Consultation Report June 2020

    OPREDReport

    Consultation report examining the evidence behind underwater-noise management guidance for harbour porpoise Special Areas of Conservation. It addresses seasonal disturbance thresholds, effective deterrent ranges, seismic surveys, piling, noise abatement and monitoring. Appended stakeholder submissions dispute assumptions and implementation arrangements, while the authors explain revised advice and remaining scientific uncertainties.

  • 202026 Feb

    High potential dropped object – chains

    IMCASafety FlashIMCA SF 07/20

    A safety flash describes lifting chains falling from an offshore wind turbine onto a crew transfer vessel, without injury. Manual repositioning intended to speed up lifting led to the crane hook handle striking the transition-piece gate handrail, opening and tilting the hook and releasing the chains.

  • 202026 Feb

    High potential dropped objects from wind turbine Nacelle crane

    IMCASafety FlashIMCA SF 07/20

    Two lifting bags fell approximately 60 metres into the sea during lowering from a wind turbine nacelle crane. Both were recovered without injury or property damage. The hook safety latch had failed; incorrect loading was identified as a potential explanation. Actions address safe loading verification and rigging toolbox talks.

  • 20195 Jul

    Sprained ankle whilst climbing on equipment

    IMCASafety FlashIMCA SF 16/19

    A crewman sprained his ankle after slipping from a cable rack inside an offshore wind turbine transition piece. The rack was unsuitable for climbing, and access had not been addressed in the risk assessment or procedure. Lessons emphasise safe access, appropriate ladders and platforms, and stopping work when safe access cannot be established.

  • 201918 Apr

    Transferee stepping from gangway to staircase during rotation

    IMCASafety FlashIMCA SF 07/19

    During personnel extraction from offshore wind turbines in worsening weather, a transferee continued along a gangway after an alarm and automatic disconnection, entering a potential crush zone during slewing. He exited safely. The flash examines ambiguous instructions and platform design, recording removal of a superfluous post and planned crew refamiliarisation.

  • 201918 Apr

    Uncontrolled release of walk to work gangway

    IMCASafety FlashIMCA SF 07/19

    A walk-to-work gangway connection failed during personnel transfer to an offshore wind installation, causing minor damage and prompting the transfer to be aborted. Investigation identified reduced active motion compensation accuracy. Corrective measures addressed software parameters, annual performance verification, pre-connection stability checks and connection-point compatibility.

  • 2019

    Regulatory expectations for emergency response arrangements for the offshore renewable energy industry

    HSEGuidanceOffshore Information Sheet 2/2019

    Sets out regulatory expectations for self-reliant emergency arrangements at offshore renewable energy developments. Covers site-specific risk assessment, measurable performance standards, command responsibilities, communications, muster, evacuation, escape, rescue and medical care. Explains requirements for emergency equipment and periodic reviews across the installation lifecycle, with statutory provisions and definitions appended.

  • 201820 Jul

    Vessel collision with fixed structure on wind farm

    IMCASafety FlashIMCA SF 15/18

    A vessel struck a wind turbine transition-piece platform twice after changing from dynamic positioning to independent joystick control in worsening weather. Thrusters returned to zero pitch during changeover. The flash examines handover awareness and judgement, subsequent system testing, and revisions to procedures, familiarisation and passage planning.

  • 201819 Mar

    Catastrophic Engine Failure Resulting in A Fire on A Crew Transfer Vessel

    IMCASafety FlashIMCA SF 06/18

    This safety flash summarises an engine failure and fire aboard Windcat 8 following a big end bearing failure. Nobody was injured. Fixed firefighting proved ineffective because some engine-space vents remained open. MAIB recommendations address crew training for critical propulsion alarms and familiarity with fixed firefighting systems.

  • 201828 Feb

    Catastrophic engine failure resulting in a fire on crew transfer vessel Windcat 8

    MAIBInvestigation Report

    Investigates Windcat 8’s engine failure and fire off Lincolnshire. A connecting rod bearing failed, releasing the assembly through the crankcase and igniting oil vapour. Analysis examines engine loading, the response to an unexplained oil temperature alarm, passenger evacuation and ineffective aerosol suppression caused by open vents, with recommendations for crew training.

  • 201721 Dec

    Failure of steel wire sling

    IMCASafety FlashIMCA SF 32/17

    A steel wire sling connecting two vessels failed during offshore wind farm wire pulling, damaging rigging and the winch vessel. Investigation identified low-cycle fatigue, underestimated dynamic forces and an incorrect working load limit. The flash highlights termination efficiency, equipment certification checks, continuous digital load logging and the effective clear-deck instruction.

  • 201627 Jan

    Crew transfer vessel (CTV) personnel transfers

    IMCASafety FlashIMCA SF 03/16

    Two offshore wind crew-transfer incidents illustrate hazards from fall-arrest attachment during vessel movement and thruster wash near a dynamically positioned construction vessel. The flash describes a rogue wave during a dark winter transfer, suspension of transfers pending improved conditions, and revised vessel separation and work sequencing arrangements.

  • 201523 Nov

    Near-miss during transfer operations from a crew transfer vessel (CTV) to a turbine tower

    IMCASafety FlashIMCA SF 19/15

    A crew transfer near miss involved a person remaining attached to a turbine tower fall arrester after boarding the vessel. Swell temporarily suspended him and lifted the assisting deckhand off his feet. Neither was injured. The account identifies incorrect procedures and insufficient awareness, and describes subsequent changes to disconnection arrangements.

  • 201523 Nov

    Rigging incident: Damage to bow hand rail on a crew transfer vessel (CTV)

    IMCASafety FlashIMCA SF 19/15

    A crew transfer vessel’s bow rails were damaged while recovering a buoy and seabed clump weight beside a wind turbine monopile. Riggers secured the snagged line over the rail, unseen by the Master whose view was obstructed. The flash discusses the toolbox talk and warnings against tying snagged lines to vessels or over handrails.

  • 201523 Jun

    DMAIB: Fire on offshore renewables industry crew transfer vehicle (CTV)

    IMCASafety FlashIMCA SF 09/15

    This flash summarises a DMAIB report on a crew transfer vessel fire during technician transport in the North Sea. The likely technical cause combined insufficient insulation with possibly elevated propulsion-engine exhaust temperatures due to insufficient ventilation. All passengers were evacuated; nearby ships assisted with extinguishing the fire, and nobody was injured.

  • 201529 May

    Near-miss: Unexpected water ingress during fault finding of a cracked water pipe

    IMCASafety FlashIMCA SF 07/15

    A crew transfer vessel experienced seawater ingress while alongside, with a cracked engine cooling return pipe initially identified. Further fault finding traced continued flow to the water-lubricated stern tube. An unhighlighted seacock lacked easy access. Crews of similar vessels were required to inspect plastic pipework regularly for deterioration or stress.

  • 201529 May

    Second-hand equipment causes engine breakdown

    IMCASafety FlashIMCA SF 07/15

    An offshore wind crew transfer vessel returned to harbour on one engine after a second-hand belt tensioner seized and the auxiliary belt failed. The flash examines unknown component history, limitations of sealed-bearing inspection and missing replacement communications, with lessons on servicing procedures and maintenance records.

  • 20158 May

    Near-miss incidents: Crew transfer vehicles approaching wind turbines

    IMCASafety FlashIMCA SF 06/15

    Three crew transfer vessel incidents concern loss of alignment at wind turbine boat landings and steering faults. Two involved near collisions with monopiles; investigations of steering failures identified worn potentiometers. Recommendations address clearing the transfer platform, stopping transfers before repositioning and considering planned maintenance or replacement of control units.

  • 201511 Feb

    Fire and sinking of passenger transfer catamaran ECC Topaz during engine trials

    MAIBInvestigation Report

    Investigation of the fire and subsequent sinking of ECC Topaz near Lowestoft. It examines two plausible heater-exhaust ignition mechanisms, unauthorised modifications, temperature-rating discrepancies and absent heater-space smoke detection. The report discusses maintenance shortcomings, crew abandonment and helicopter rescue, with recommendations addressing exhaust specifications and manufacturer approval of modifications.

  • 201418 Dec

    Collision and near-miss caused by guard vessel

    IMCASafety FlashIMCA SF 19/14

    Two incidents during inshore wind-farm diving involved guard-vessel management: a yacht narrowly missed an anchored diving vessel, and a guard vessel struck a diving platform. The flash describes inadequate lookout, missed communications and poor manoeuvring, suggests earlier intervention for the near miss, and records replacement of the guard vessel’s master following the collision.

  • 201418 Dec

    Fire in wheelhouse on offshore renewables crew transfer vessel

    IMCASafety FlashIMCA SF 19/14

    A crew transfer vessel fire near a wind turbine was apparently linked to a detached heater outlet hose, with hot air melting and possibly igniting cable casing. The flash describes firefighting, evacuation and powder contamination, and recommends checking heater connections, restricting underdeck storage and reviewing firefighting access and emergency communications.

  • 20148 Sep

    Alternator bearing collapse caused small fire

    IMCASafety FlashIMCA SF 15/14

    An alternator bearing collapsed on a workboat serving the offshore wind industry, causing a small engine-room fire. Trained crew extinguished the fire and returned to port on one engine. The flash recommends regular alternator checks for damage, including black fluff in windings, and overheating checks when engines are shut down.

  • 20147 Aug

    High potential dropped object incident

    IMCASafety FlashIMCA SF 14/14

    During collection of technicians from a wind turbine, a ratchet and two sockets fell approximately 15 m onto a workboat, narrowly missing a crewman. Nobody was injured. The flash identifies unsecured tools carried during ladder descent and recommends bagged crane transfer and buddy checks for loose objects and correct PPE use.

  • 201430 Jun

    Fire in engine space on crew transfer vessel (CTV)

    IMCASafety FlashIMCA SF 10/14

    A crew transfer vessel suffered a small engine-space fire during passage to an offshore wind farm when a drain hose contacted the exhaust. The flash examines failed activation of the fixed carbon dioxide system, inadequate instructions and corrective measures covering pipe routing, operating instructions and crew training.

  • 201413 May

    Crew transfer vessel in collision with anchor wire

    IMCASafety FlashIMCA SF 07/14

    An offshore wind crew transfer vessel suffered partial propulsion loss following an engine alarm and automatic engine-management intervention while approaching a cable lay barge. Current carried it into a tensioned anchor wire, damaging the wheelhouse without injuries. The flash stresses project-specific transfer risk assessment and reporting, communication and follow-up of earlier incidents.

  • 201416 Apr

    Navigational near-miss in restricted visibility

    IMCASafety FlashIMCA SF 06/14

    An offshore wind farm crew transfer vessel avoided an anchored vessel in fog after radar did not detect it. The flash describes reduced speed, lookouts and sound signals, and recommends reviewing navigation risk assessments and small-vessel procedures, ensuring Masters understand radar settings and can confirm calibration using known objects.

  • 201416 Apr

    Near-miss incidents during personnel transfer to offshore renewable energy installations

    IMCASafety FlashIMCA SF 06/14

    Three near misses during workboat transfers to offshore wind turbines involved marine growth exposed by exceptionally low tides and bow slippage during an unexpected wave trough. The flash describes ineffective ladder scraping, revised cleaning methods and transfer procedures addressing fall-arrest tag-line slack and the Master's responsibility for wave monitoring and crew warnings.

  • 201416 Apr

    Near-miss: Strong sun glare contributes to heavy impact on boat landing

    IMCASafety FlashIMCA SF 06/14

    A crew transfer vessel struck an offshore turbine boat landing above the impact threshold when low sun glare impaired the Master’s distance judgement despite adjusted sunshades. No vessel damage or crew injury occurred. Corrective actions included revising navigation risk assessments and small-vessel procedures, and reminding Masters to adapt approaches to visibility.

  • 2014Feb

    Safety warning after fire and subsequent sinking of a workboat

    MAIBInvestigation Report

    This safety bulletin presents initial findings from the fire and foundering of ECC Topaz near Lowestoft. It identifies a poorly insulated diesel-fired air heater exhaust as the most likely ignition source and strongly advises vessel operators to check exhaust insulation and clearance, install fire detection and avoid storing flammable materials near heat sources.

  • 2014

    MAIB Safety Digest 1/2014

    MAIBDigestSD 1/2014

    This marine accident digest presents lessons from merchant vessels, fishing boats and small craft, including republished articles on kill cords. Cases examine navigation, lifeboat access, equipment failures, fires, flooding and overboard emergencies. Recommendations address maintenance, testing, communication and emergency preparation; appendices list investigations and reproduce safety bulletins.

  • 201329 Nov

    Small workboats used on offshore wind farms: Combined report on Windcat 9 and Island Panther incidents

    IMCASafety FlashIMCA SF 17/13

    This safety flash summarises a combined MAIB report on Windcat 9 contacting a floating target and Island Panther contacting a wind turbine tower. It highlights crew recruitment, training and assessment, rigorous watch-keeping, limitations of paper-chart navigation for high-speed transfer vessels, and calls for industry guidance and shared safety learning.

  • 2013Nov

    Contact made by wind farm passenger transfer catamarans: Windcat 9 with floating target and Island Panther with turbine

    MAIBInvestigation Report

    Investigates two wind-farm transfer catamaran accidents on 21 November 2012. Windcat 9 struck a floating target and suffered extensive flooding; Island Panther struck an unlit turbine transition piece. The report examines passage monitoring, chart-plotter use, crew competence, navigation warnings and emergency arrangements, with recommendations for training and sharing industry lessons.

  • 201317 Oct

    Lost time injury (LTI): Crewman injured foot during offshore renewables mooring operation

    IMCASafety FlashIMCA SF 16/13

    A crewman aboard a crew transfer vessel suffered partial foot amputation after a mooring line dragged him across the foredeck during offshore wind operations. Preliminary findings identified missing formal procedures, lone working, inadequate visibility and voice communication, and the need for a safe standing area and shorter mooring rope.

  • 201319 Jul

    Incidents of failure of jet drives on wind farm service vessels

    IMCASafety FlashIMCA SF 12/13

    Two wind farm service vessel incidents concern lost jet steering control after a securing bolt vibrated loose, and a start-up failure attributed to suspected air in the system. The flash describes bolt-securing measures, restoration through local solenoid control, and recommendations for crew technical understanding and routine fault finding.

  • 201319 Jul

    Wind farm service vessel in collision with wind turbine foundation

    IMCASafety FlashIMCA SF 12/13

    A wind farm service vessel drifted into a turbine foundation after neither jet drive would engage, damaging its port quarter bulwark. The flash discusses insufficient manoeuvring time, delayed reporting and lessons on keeping jets engaged near offshore structures, with exceptions for vessels anchored or tied off.

  • 2013Jan

    Application of health and safety law offshore

    HSEGuidance

    This information sheet explains changes to offshore health and safety jurisdiction under the 2013 Application outside Great Britain Order. It outlines revised definitions, vessel exclusions and provisions covering installations, pipelines, gas importation and storage, water and wind energy, and underground coal gasification.

  • 201211 Oct

    Diver injured during subsea lifting operations

    IMCASafety FlashIMCA SF 10/12

    A diver was injured by a two-tonne dead man anchor lowered during bell-mouth installation at an offshore wind turbine base pile. The flash identifies rapid lowering, absent mid-water stops and communication failures, and recommends competent lift planning, agreed deployment speeds, load-depth monitoring and confirmed safe locations for divers.

  • 20084 Mar

    Public Hearings on Cape Wind Draft Environmental Impact Statement

    BSEEInvestigation Report

    An MMS press release announces four Massachusetts public hearings on the Cape Wind draft environmental impact statement. It outlines the proposed offshore wind project, alternatives assessed and opportunities for public comment, while clarifying that the assessment does not constitute project approval or disapproval.

  • 2006Jul

    MAIB Safety Digest 2/2006

    MAIBDigestSD 2/2006

    This marine accident digest presents cases involving merchant ships, fishing vessels and leisure craft. Lessons examine lookout, passage planning, fatigue, firefighting, lifting injuries, lifeboat failures, flooding and capsize. Case analyses emphasise suitable training, clear briefings, risk assessment and emergency arrangements. Appendices list examinations, investigations and issued reports.

  • Undated

    Background to the advice on noise management within harbour porpoise SACs

    OPREDGuidance

    Explains the rationale for managing underwater noise in harbour porpoise Special Areas of Conservation through temporary habitat loss rather than animal counts. Discusses seasonal area-time thresholds, empirically based deterrence ranges, noise abatement and alternative wind-farm foundations. Acknowledges uncertain evidence and describes adaptive management and differing approaches among conservation bodies.