ClassNK releases guidelines for safety operation for ammonia-fuelled vessels

ClassNK – Nippon Kaiji Kyokai has released the “Guidelines for Safety Operation for Ammonia-Fueled Vessels” for considering the introduction of ammonia-fuelled vessels to ensure safe operation on board ammonia-fuelled vessels. By following these guidelines, safe and secure operation can be achieved for those involved in the operation of ammonia-fuelled vessels. The Guidelines give top priority

ClassNK issues AiP for coastal liquefied CO2 carrier developed by Mitsubishi, Nippon Gas Line

ClassNK has issued an Approval in Principle (AiP) for a design concept of a coastal liquefied CO2 carrier jointly developed by Mitsubishi Shipbuilding Co., Ltd. and Nippon Gas Line Co., Ltd. In building the CCS value chain, in addition to large ships transporting CO2 domestically and internationally, coastal vessels that collect CO2 from small-scale emission

ClassNK issues AiP for new membrane-type LNG carrier

ClassNK has issued an approval in principle (AiP) for a 30,000 m³ LNG carrier equipped with two Mark III Flex membrane tanks, developed by GTT. The vessel’s ballast tank design and ballasting operations allow for the elimination of filing limits, enhancing operational flexibility. The AiP demonstrates the feasibility of this design concept. In LNG carriers

ClassNK grants the first notation for ships made of green steel

ClassNK has granted the class notation ‘a-EA (GRS)’ to ‘BRIGHT QUEEN’, the bulk carrier operated by NYK Bulk & Projects Carriers Ltd., certifying the use of green steel. This is the world’s first case of a notation being affixed for using green steel in a vessel. There’s a growing focus on using green steel, which reduces

ClassNK to class ammonia-fueled tugboat ‘Sakigake’ – World’s first ammonia-fueled vessel

ClassNK has classed the ammonia-fueled tugboat ‘Sakigake’ completed by Nippon Yusen Kabushiki Kaisha (NYK Line) and IHI Power Systems Co., Ltd. as an ammonia-fueled vessel. This is the world’s first ammonia-fueled vessel for commercial use (as of August 23, 2024, according to research by NYK). The NYK Group company Shin-Nippon Kaiyosha will employ the vessel

ClassNK grants innovation endorsement to i-MITEC’ products

ClassNK has granted its Innovation Endorsement for Products & Solutions to a Ship IoT Application ‘i-MITEC’ by MIURA CO., LTD. ‘i-MITEC’ uses a cloud-based environment to provide a range of services, collecting and storing operation data from equipment such as marine boilers and ballast water management systems that are fitted with communication functionality. The stored

ClassNK releases guidelines for ships using alternative fuels

ClassNK has released the ‘Guidelines for Ships Using Alternative Fuels (Edition 3.0)’. In addition to safety requirements for ships using methanol, ethanol, LPG, and ammonia as fuel, this edition newly adds requirements related to hydrogen-fueled ships, providing guidance for the design of alternative-fueled ships.  The guidelines comprehensively describe safety requirements for alternative-fueled ships. It stipulates

ClassNK explores alternative fuel paths

ClassNK has released the “ClassNK Alternative Fuels Insight” report, which summarizes the characteristics and latest trends of alternative fuels to support future fuel selection. For reducing GHG emissions from ships, alongside energy efficiency improvements, the adoption of alternative fuels with lower environmental impacts will become essential in the future. However, given the wide range of

Seven class societies certify HiMSEN four-stroke engine

Seven class societies have certified HD HHI-EMD’s four-stroke, methanol dual-fuel HiMSEN H22CDF-LM engine, following its completion of type-approval tests (TAT) in South Korea. HD HHI-EMD reported class societies Korean Register, ABS, Bureau Veritas, DNV, ClassNK, Lloyd’s Register and RINA witnessed the results of the TAT of the four-stroke engine methanol dual-fuel HiMSEN engine H22CDF-LM during

ClassNK okays ‘world’s first’ onboard CCS installation

ClassNK has granted its Shipboard Carbon dioxide Capture and Storage-Full (SCCS-Full) class notation to the Panama-flagged boxship Ever Top, a Neopanamax container vessel owned by Taiwan’s ocean carrier Evergreen. The notation signifies that the vessel is now equipped with an onboard CO2 capture and storage (CCS) systems, marking it as the world’s first Neopanamax container