Class Nk News

ClassNK has granted Approval in Principle (AiP) for the design of a liquefied CO2 carrier intended to support a floating offshore carbon capture and storage (CCS) injection facility.The vessel is designed to serve a Socket SPAR unit, a floating injection system being considered for deployment in deepwater environments where subsea pipeline-based CO2 storage is not feasible.The certification confirms the feasibility of the carrier design from regulatory and safety perspectives…

ClassNK has certified Salam’s International, a ship recycling facility in Pakistan, as the first facility in the country to be certified by ClassNK for compliance with the Hong Kong International Convention for ship recycling. Based on this certification, the competent authority in Pakistan is expected to issue the Document of Authorization to conduct Ship Recycling (DASR) as required by the Convention.Pakistan acceded to the Hong Kong Convention in November 2023, and ship recycling facilities in the country have since been working toward compliance.

ClassNK confirmed the validity of the performance analysis evaluation for the automated kite system ‘Seawing’, which is being developed by Kawasaki Kisen Kaisha, Ltd. and its French subsidiary OCEANICWING S.A.S., and issued a Statement of Fact (SOF). In response to environmental regulations and as a solution for reducing fuel costs, the implementation and installation planning of wind-assisted propulsion systems (WAPS), including kite systems, have been progressing. As standards for wind-assisted propulsion systems and ships equipped with such systems…

Japanese shipping major NYK Line has completed the basic design of a new long-distance subsea cable-laying vessel intended to support the development of Japan’s future high-voltage direct current (HVDC) transmission network, marking a key milestone in a national effort to strengthen offshore renewable energy infrastructure.The vessel’s design recently received General Design Approval (GDA) from classification society ClassNK, confirming that the concept meets relevant international…

ClassNK has issued approvals in principle (AiPs) for the concept designs of Bulk Carrier installed with a Membrane-based Onboard Carbon Capture and Storage System (OCCS) and 83,000m3 Ammonia Carrier with IMO Type B Independent Tank developed by Oshima Shipbuilding Co., Ltd. These AiPs demonstrate its feasibility from regulatory and safety perspectives.The recipients of the AiPs, as well as the applicable rules and guidelines, are as follows:Bulk Carrier installed with Membrane-based OCCSRecipients: Oshima Shipbuilding Co.…

US West Coast-based maritime company Minke Marine A.L. LLC has secured its second class society Approval in Principle (AiP) from ClassNK for its air lubrication sector (ALS) with a new patented design.The ClassNK AiP follows a similar AiP secured by Minke with DNV. The latest AiP comes as Minke Marine began receiving verified data from its first installation on a 55,000 DWT DNV-classed, Norwegian-owned general cargo vessel. Costing less than $485,000 to install, Minke said the initial data shows a positive fuel saving…

ClassNK and Prevention at Sea have announced a strategic collaboration aimed at delivering Dry Bulk Management Standard (DryBMS) training to shipping companies worldwide.Both parties have agreed to explore future synergies and expanded cooperation in related areas, including gap analysis and benchmarking of Safety Management Systems (SMS) against DryBMS requirements and other key maritime standards such as RightShip RISQ, SIRE, and TMSA.The collaboration also envisages undertaking…

ClassNK has launched a joint pilot test with ten Japanese companies for its drawing approval system ‘NK-PASS’ and the ‘ClassNK 3DViewer, both compatible with 3DMBA (3D Model-Based Approval), scheduled for official release in spring 2026.3DMBA is an approach in which approval processes are centered on 3D models instead of conventional 2D drawings, and its adoption is expanding globally. By utilizing 3D models, it is expected to enhance visualization and accuracy for information that was difficult to identify in traditional processes…

The service "ClassNK Fleet Cost Simulation" provided by ClassNK has been honored with the Best Project Innovation Award at the Saudi Maritime Awards, hosted by Robban Assafina, the maritime media platform in the Middle East and North Africa (MENA) region. The award ceremony took place on January 29, in Jeddah, Saudi Arabia.The Saudi Maritime Awards, in partnership with the Transport General Authority of Saudi Arabia, were established to recognize and honor notable figures in the…

NYK convened its third annual Dry Bulk Safety Conference in Athens, Greece, on January 21. The event brought together 150 participants representing 70 Greek shipowners and other companies active in the dry bulk sector. Originally established in 2010 in Japan for domestic shipowners and ship-management companies, the conference first expanded to Greece in 2024.At the conference, we shared with Greek shipowners and related companies case studies of past accidents and incidents, along with countermeasures and measures for crew welfare.

Yanmar Power Solutions Co., Ltd., a subsidiary of Yanmar Holdings, has become the first engine manufacturer in Japan to obtain both type approval certificate1 and NOx certificate2 from Nippon Kaiji Kyokai (ClassNK) for its pilot-ignition hydrogen-fueled 4-stroke high-speed engine for power generation for domestic coastal vessels as part of the Nippon Foundation’s Zero Emission Ships Project.In 2025, Yanmar Power Solutions was intensifying its land-based demonstration tests utilizing a small amount of Hydrotreated Vegetable Oil (HVO) as a pilot fuel…

Coach Solutions, a Kongsberg Company, and classification society ClassNK have partnered to deliver an automated emissions data verification process for their mutual clients.The companies said the process creates a seamless experience for shipowners and Document of Compliance holders who need to extract, standardize, verify and share vessel data for transparent use by stakeholders.The integration with ClassNK is a strategic partnership that, from January 2026, will further strengthen Coach’s mission to put practical…

Kawasaki Heavy Industries and Japan Suiso Energy have signed a contract to build the world’s largest liquefied hydrogen carrier, marking a step toward the commercialization of an international hydrogen supply chain.The vessel will have a cargo capacity of about 40,000 cubic meters and will be built at Kawasaki Heavy Industries’ Sakaide Works in Kagawa Prefecture. Japan Suiso Energy is the project operator for Japan’s New Energy and Industrial Technology Development Organization (NEDO) Green Innovation Fund Project…

Mitsui O.S.K. Lines (MOL) has secured an approval in principle (AiP) from ClassNK for the basic design of specialized vessels to joint and bury subsea power cables.MOL is working with Sumitomo Electric Industries, Furukawa Electric and Nippon Yusen Kabushiki Kaisha (NYK Line) to develop fundamental technologies-including a new type of cable-laying vessel-as part of a project subsidized by the Japanese government's New Energy and Industrial Technology Development Organization (NEDO).One of MOL's roles in this project is to develop technologies for cable jointing and burial vessels…

ClassNK has issued an Approval in Principle (AiP) for "Safety Berthing/Unberthing Assistance System" developed by Kawasaki Heavy Industries, Ltd. and granted its Innovation Endorsement for Products & Solutions to the "Berthing and unberthing Assistance System-Human Machine Interface." ClassNK has also confirmed that the 'a-SAFE' notation (BSS)-Berthing Support System, which indicate ships with advanced safety measures, can be applied to ClassNK-registered vessels equipped with…

ClassNK has issued an approval in principle (AiP) for a methanol fuel tank design concept developed by SRC Group, which uses a Sandwich Plate System (SPS) technology to almost double shipboard storage capacity for both methanol and ethanol.The certification demonstrates its feasibility from regulatory and safety perspectives.With the growing adoption of alternative fuels such as methanol in the maritime industry, the development of safe and efficient fuel storage solutions has become increasingly important.In contrast to traditional fuel tanks…

Helm Operations, a provider of maritime operations and crew management software, announced a key leadership transition as James Wadsworth assumes the role of Chief Executive Officer (CEO). Nolan Barclay, Helm’s first employee and most recent CEO, will continue to support the company as Chairman.Wadsworth brings more than two decades of maritime industry experience and visionary leadership to the role. He joined Helm a decade ago after nearly ten years with ClassNK in Japan, where…

ClassNK has added Japan's first hydrogen-fueled tugboat TEN-OH to its register, which is built by TSUNEISHI SHIPBUILDING Co., Ltd.This vessel was developed and build under the 'Nippon Foundation Zero Emission Ships Project', a grant program by The Nippon Foundation aimed at developing ships with zero CO2 emissions.Based on discussions among the parties involved during the planning stage of the vessel, ClassNK reviewed the safety requirements and countermeasures for hydrogen-fueled…

ClassNK has issued an Approval in Principle (AiP) for Spray form insulation system of IMO Type B tank for LNG and ammonia fuel developed by Nihon Shipyard and Hankuk Carbon.The certification demonstrates its feasibility from regulatory and safety perspectives.Traditionally, IMO Type C tanks have been the mainstream choice for LNG-fueled ships due to their advantages in productivity and cost. Meanwhile, for the large-capacity fuel tanks required on large container ships and ammonia-fueled vessels…

ClassNK has released "Guidelines for Onboard CO2 Capture and Storage Systems (Edition 2.0)", which assesses onboard CO2 capture systems (OCCS) using membrane separation. The guidelines can be used to support the safe development, manufacturing, and installation of a relevant system.CO2 capture from ship exhaust gas is growing in popularity as a way to reduce GHG emissions, and the development of onboard systems for capturing and storing CO2 is being undertaken. In 2023, ClassNK published the first edition of the "Guidelines for Onboard CO2 Capture and Storage Systems…

Mitsui O.S.K. Lines (MOL), Kanadevia Corporation, and Yanmar Power Solutions have achieved a 98% methane slip reduction rate in onboard trials of LNG-fueled vessels, exceeding their initial target of 70%.The trials are part of the Green Innovation Fund Project ‘Development of Next-Generation Vessels’ led by Japan’s New Energy and Industrial Technology Development Organization (NEDO).The project, which runs from fiscal 2021 through 2026, aims to combine methane oxidation catalysts…

Mitsubishi Shipbuilding Co., Ltd., part of Mitsubishi Heavy Industries (MHI) Group, and Nippon Steel Corporation have received the world’s first General Design Approval (GDA) from ClassNK for a breakthrough tank technology that enables the manufacture of large low-pressure liquefied CO₂ (LCO₂) cargo tanks without post-weld heat treatment (PWHT). The achievement marks a significant step toward scaling up CO₂ transport capacity to support global carbon capture, utilization and storage…

Japan’s ClassNK has issued an approval in principle (AiP) for a bulk carrier concept developed by Oshima Shipbuilding that is designed to be ready for multiple alternative fuels, including ammonia, methanol and liquefied natural gas (LNG), as well as onboard carbon capture and storage (OCCS).The approval confirms the technical feasibility of the vessel from a regulatory and safety perspective and reflects growing industry efforts to future-proof newbuilds amid tightening emissions rules.The concept design was reviewed in line with ClassNK’s updated Guidelines for Ships Using Alternative Fuels…