Classnk News

Mitsubishi Shipbuilding Co., Ltd., a part of Mitsubishi Heavy Industries (MHI) Group, and Mitsui O.S.K. Lines, Ltd. (MOL) have acquired Approval in Principle (AiP) from Nippon Kaiji Kyokai (ClassNK) for its jointly developed liquefied CO2 (LCO2) / methanol carrier. AiP acquisition for this type of carrier marks a world's first.Technologies for converting CO2 into fuel or chemical products are attracting attention as a means of utilizing CO2 in CCUS (Carbon dioxide Capture, Utilization and Storage).

ClassNK has issued world's first Approval in Principle (AiP) for LCO2-methanol carrier, jointly developed by Mitsubishi Shipbuilding and Mitsui O.S.K. Lines (MOL).The certification confirms the feasibility of the vessel, which is being developed for commercialization, from regulatory and safety perspectives. It marks the world’s first issuance of an AiP for a LCO2-methanol carrier.The vessel for which Mitsubishi Shipbuilding and MOL acquired AiP is based on a low-pressure LCO2 carrier.It aims to transport CO2…

Mitsubishi Shipbuilding and Mitsui O.S.K. Lines have acquired Approval in Principle (AiP) from CLassNK for the design of their jointly developed liquefied CO2 (LCO2) and methanol carrier, a world first for this type of vessel.The vessel is based on a low-pressure LCO2 carrier. It aims to transport CO2, which serves as raw material, on outward voyages and synthetic methanol on return voyages.If dual transport of CO2 and methanol is achieved, empty-cargo trips can be eliminated…

Accelleron has simplified emissions reporting for users of its digital solutions after collaborating with ClassNK to establish a direct connection between Tekomar XPERT marine’s emissions module and the ClassNK MRV portal.Under European and IMO regulations, emissions reports need to be verified by an accredited entity before being submitted to the relevant authority. Tekomar XPERT’s emission module automates the collation of ship emissions data into the format required for various regulations—including the EU Monitoring…

The Maritime and Port Authority of Singapore (MPA), NYK and MTI Co., have conducted a joint workshop on port-to-port maritime autonomous surface ship (MASS) trials.The MASS trials are testing the interoperability of autonomous vessels with port-based systems, including MPA’s Vessel Traffic Information System, and enable the development of best practices and standards for navigation safety, route planning, fuel consumption, AI-based decision-making, communications and cybersecurity in the port of Singapore.Held in Singapore…

The Global Ro-Ro Community including Eastern Car Liner, Kawasaki Kisen Kaisha, Mitsui O.S.K. Lines, Nippon Yusen Kabushiki Kaisha, Wallenius Wilhelmsen and ClassNK have developed guidelines for calculating GHG emission intensity for ro-ro ships in conjunction with the international non-profit organization Smart Freight Centre.The guidelines introduce a common calculation method, enabling shippers to accurately measure Scope 3 emissions.The standard calculation model complies with the ISO 14083 and Global Logistics Emissions Council framework.

ClassNK has released the “Guidelines for Safety Operation for Ammonia-Fueled Vessels” to ensure safe operation on board ammonia-fueled vessels.The introduction of alternative fuel vessels is approaching 40% of the total on an order basis and is expected to increase further in the future, and alternative fuels such as ammonia have unique risks that conventional heavy oil fuels do not.The guidelines give top priority to protecting the safety of seafarers and cover matters to be kept in mind in daily operations…

ClassNK has released "Prime Shipmanagement Guidelines," which aim to achieve sustainable ship management with safety as the highest priority. With an evolving environment surrounding ship management, including fuel transition, stricter regulations, and crew shortage, ClassNK aims to enable flexible responses to unexpected situations by drawing on lessons learned from successful case studies that had not received much attention before.At sea, where unpredictable conditions are common, case-by-case judgment is essential to ensure safe navigation.

Imabari Maritime Fair, "Bari-Ship 2025" is schedule to be held from May 22- 24, 2025 at Texport Imabari (Imabari, Japan)."Bari-Ship" is the largest international maritime exhibition in Western Japan, held every two years in Imabari, Japan’s leading maritime city. The event serves as a venue for maritime industry professionals from not only Japan but around the world to gather, engage in business matching, and exchange information.This year's exhibition will be the largest ever…

Japanese operator Tokyo Kisen has taken delivery of the first of two new bespoke crew transfer vessels (CTVs), designed by Incat Crowther, which will be put to service Japan’s growing offshore wind energy sector.Constructed by Cheoy Lee shipyard in China, the first 26.4-meter-long vessel completed sea trials in late 2024.The two ClassNK 26-metre catamaran CTVs have been developed with Tokyo Kisen to comply with strict local regulations.The design of the vessels has been future-proofed…

ClassNK has issued an approval in principle (AiP) for an Onboard Carbon Capture and Storage system (OCCS) developed by Mitsubishi Shipbuilding.The certification confirms its feasibility from regulatory and safety perspectives.Interest in CO2 capture the method from exhaust gases is growing alongside fuel conversion as part of efforts to reduce GHG emissions from ships.In response, the development of OCCS is progressing. To support the smooth development and introduction of related technologies…

ClassNK has issued an approval in principle (AiP) for retrofitted methanol dual fuel Kamsarmax bulk carrier developed by TSUNEISHI SHIPBUILDING and Maersk Mc-Kinney Møller Center for Zero Carbon ShippingThe AiP is for the design concept of a retrofitted Kamsarmax bulk carrier, converting it from conventional fuel to methanol dual-fuel, jointly developed by TSUNEISHI SHIPBUILDING and Fonden Maersk Mc-Kinney Møller Center for Zero Carbon Shipping.The certification demonstrates the regulatory feasibility of the ship…

The Mærsk Mc-Kinney Møller Center for Zero Carbon Shipping has gained Approval in Principle (AiP) from ClassNK for the retrofitting of a conventionally fueled Kamsarmax bulk carrier to dual fuel methanol.Led in collaboration with Japanese shipbuilder Tsuneishi Shipbuilding, the project assessed the techno-economic feasibility of a retrofit from fuel oil to dual fuel methanol, establishing a model that could pave the way for a broader green transition within the medium size bulk carrier sector.With Kamsarmax bulk carriers representing a significant share of the existing fleet…

The University of Osaka, in collaboration with Imabari Shipbuilding, Japan Marine United Corporation, ClassNK and MTI will establish the Open Collaboration Laboratory for Enabling Advanced Marine Systems (OCEANS) at the University of Osaka in April 2025.Nihon Shipyard (NYS), a sales and design company owned by Imabari Shipbuilding and Japan Marine United Corporation (JMU), will also participate in the design and engineering research activities led by OCEANS.The initiative aims to promote the global competitiveness of Japan’s maritime industry.In an era of unprecedented change…

The world’s first commercial-use ammonia-fueled vessel, Sakigake, has completed a three-month demonstration voyage, achieving a GHG-emission reduction of up to approximately 95%.The vessel was completed by Nippon Yusen Kabushiki Kaisha (NYK) and IHI Power Systems (IPS) on August 23, 2024, in cooperation with Nippon Kaiji Kyokai (ClassNK) as part of a Green Innovation Fund Project under Japan’s New Energy and Industrial Technology Development Organization (NEDO).The development project of this vessel started in October 2021 and completed in August 2024…

Knutsen NYK Carbon Carriers (KNCC), a subsidiary of NYK and Knutsen Group, has obtained Approval in Principle (AiP) from ClassNK for the design of liquified CO2 carriers that stores and transports liquefied carbon dioxide (LCO2) at ambient temperature but elevated pressure.The new carrier uses cargo tank technology developed by KNCC to transport LCO2 in a stable state. Since there is no need to cool the LCO2 to cryogenic temperatures, it is easy to handle and potentially reduces energy and costs during liquefaction.NYK…

Knutsen NYK Carbon Carriers  (KNCC), a subsidiary of NYK and Knutsen Group, has obtained Approval in Principle (AiP) from ClassNK for the design of liquified CO2 carriers (LCO2-EP carrier) that use the elevated pressure (EP) method to store and transport liquefied CO2 at ambient temperature.ClassNK has carried out a design review of this ship in accordance with the Rules for the Survey and Construction of Steel Ships, and has issued an AiP after confirming that the ship meets…

Japan-based classification society ClassNK has named Hayato Suga as its new president and CEO, and Fumihiko Higashi as its executive vice president.Effective March 21, 2025, Suga will move from his current senior vice president role, while Higashi will advance from the current corporate officer post.Former president and CEO Hiroaki Sakashita has been appointed as chairman of the board of directors, while the former chairman of Koichi Fujiwara has assumed the position of advisor to the society.“The business environment is changing rapidly…

Mitsui O.S.K. Lines (MOL) and its partners Namura Shipbuilding and Mitsubishi Shipbuilding have secured an approval in principle (AiP) from Nippon Kaiji Kyokai (ClassNK) for a large-size ammonia-powered ammonia carrier.The AiP was awarded for the ship’s ammonia fuel compatible design.The companies are developing the vessel in anticipation of wide use of ammonia as a zero-carbon fuel and hydrogen carrier, and in response to further demand for ammonia fuel transitions in power plants.The carrier…

The Maritime Technologies Forum (MTF) has published a comprehensive report, aimed at addressing the critical issue of transporting electric vehicles (EVs) on Pure Car and Truck Carrier (PCTC) vessels.The report, titled Safe Carriage of Electric Vehicles, offers detailed insights into the characteristics of EV fires and provides a framework for considerations necessary to supplement the safe carriage of EVs.The report further highlights the necessity of measures such as early detection…

ClassNK issued an Approval in Principle (AiP) for an ammonia-fuelled bunkering vessel, a vessel is jointly developed by Nippon Yusen Kabushiki Kaisha (NYK Line) and LMG Marin AS (a member of the Seatrium Group).As ammonia as fuel is expected to be used in shipping to help shipowners meet tough new emission reduction targets, bunkering vessels that supply fuel to ships and related equipment will play an essential role in the supply chain. This vessel is being developed jointly by NYK Line…

Increasingly, maritime finance is tied to the environmental impact of the asset or project.Under Zero-Emission Accelerating Ship Finance (the Program), which is jointly operated by the Development Bank of Japan Inc. (DBJ) and ClassNK, ClassNK evaluated the LNG-fueled car carrier OCEANUS HIGHWAY (IMO No. 1046049), owned by Kawasaki Kisen Kaisha, Ltd. ("K" LINE). DBJ provided financing to "K" LINE.ClassNK evaluates ships based on a comprehensive scoring model jointly developed with DBJ from the perspective of ‘decarbonization…

ClassNK has issued an Approval-in-Principle (AiP) certificate for an ammonia fueled ammonia bunkering vessel designed by NYK and its partners.Seatrium, through its wholly-owned subsidiary, LMG Marin provided engineering expertise for the vessel’s design, which will now be submitted to the Maritime and Port Authority of Singapore (MPA) for evaluation.Safety philosophies on the safe use of ammonia, for example in the engine room, were developed to ensure compliance with the IMO’s interim guidelines for the safety of ships using ammonia as fuel…