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Steel Ships News

12 Mar 2024

Ascenz Marorka Obtains Cybersecurity Type Approval

© jijomathai / Adobe Stock

Ascenz Marorka, a GTT Group company, has been granted a type approval for cybersecurity for its digital solutions by Bureau Veritas.The type approval highlights the ability of the Ascenz Marorka solutions to meet the cybersecurity challenges of the maritime sector with resilience and reliability. Benefiting from robust protection for its computer systems, encrypting the data used and being able to isolate the networks are some examples of approved functionalities. This approval demonstrates the Ascenz Marorka commitment to helping build a sustainable future…

03 Feb 2024

Americas Cup Innovation & a Carbon-Free Shipping Future

Image © AYRO  UNI PROD

The Golden Gate Yacht Club (GGYC) represented by BMW Oracle Racing and the Société Nautique de Genève (SNG), the Americas Cup defending champion, represented by Team Alinghi were entwined in a 2.5-year legal battle over multiple court cases, including hearings in the New York Supreme Court and the Appellate Division of the New York Supreme Court, prior to the 33rd edition of the race, due to take place in 2010.The parties disagreed about the location, format, and restrictions on boat design, all of which were changed by the courts prior to the race.

27 Dec 2023

ClassNK Amends Class Rules

Image: ClassNK

ClassNK has released amendments to its Rules and Guidance for the Survey and Construction of Steel Ships dated December 22, 2023.ClassNK is constantly revising its Rules and Guidance in order to reflect the latest results from relevant research and development projects, feedback from damage investigations, requests from industry as well as changes made to relevant international conventions, IACS Unified Requirements (UR), etc. More specifically, some of the amendments made this time are as follows:Responding to requests from relevant industries…

16 Nov 2023

Austal USA Lays Keel for USNS Billy Frank, Jr.

(Photo: Austal USA)

Mobile, Ala. shipbuilder Austal USA held a keel laying ceremony for USNS Billy Frank, Jr., marking the official start of construction on the U.S. Navy’s eleventh Towing, Salvage and Rescue Ship (T-ATS 11).Ship sponsor Peggen Frank and her husband, William Frank III, authenticated the keel by welding their initials into a keel plate that will be welded to the hull of the ship. They were assisted by Brandon Auld, a four-year Austal USA veteran A-class structural fitter.Local community leaders…

07 Sep 2023

Onboard CO2 Capture and Storage System by CSPI Earns ClassNK's Stamp of Approval

Right: Mr. Dai Qun, Deputy Section Chief / Senior Engineer, CPGC
Left: Mr. Hayato Suga, Executive Vice President, ClassNK
 - Credit: ClassNK

ClassNK has issued an Approval in Principle (AiP) for an onboard CO2 capture and storage (OCCS) system developed by China Shipbuilding Power Engineering Institute Co., Ltd. (CSPI), a member of CSSC Power (Group) Co. Ltd. (CPGC).In addition to fuel transition, interest in capturing CO2 from ships' exhaust gas is growing as a way to reduce GHG emissions, and the development of onboard systems for capturing and storing CO2 is being undertaken. To encourage the development of the related technology…

05 Sep 2023

ClassNK Amends Rules for Seawater-lubricated Shafts

(Image: Thordon Bearings)

Nippon Kaiji Kyokai (ClassNK) has joined the major classification societies to amend its rules relating to the inspection of seawater-lubricated propeller shaft systems.The amendment means that ships with open seawater-lubricated propeller shafts that are built to ClassNK rules are subject to the same 15-year shaft withdrawal inspection periods as oil-lubricated shafts and sterntubes, subject to monitoring criteria.The announcement brings ClassNK’s requirements in line with those of other large class societies…

25 Jul 2023

ClassNK Grants AIP for GTT's LH2 Carrier Cargo Systems

(Image: GTT)

ClassNK has issued an approval in principle (AIP) for a cargo containment system (CCS) and cargo handling system (CHS) for liquefied hydrogen carrier developed by GTT.Hydrogen is expected to be used as a source of clean energy for decarbonization since it does not emit CO2 when combusted. The technological development for maritime hydrogen transportation is progressing actively with the aim of establishing a hydrogen supply chain.ClassNK carried out the design review of CCS and…

27 Jun 2023

ClassNK Releases Strength Guidelines Based on Latest Wave Data

Source: ClassNK

ClassNK has released "Guidelines for Direct Load Analysis and Strength Assessment (Edition 3.0)" following the revision of IACS Recommendation No. 34 earlier this year.The guidelines specify the requirements for conducting hull strength assessments based on the latest wave data.IACS Recommendation No. 34 provides advice on sea states as well as wave spectrum, spreading, heading distribution and vessel speed. Its wave statistics are intended for use in the design of sea-going ships above 90 meters (295 feet), including the effect of bad weather avoidance.

19 May 2023

Austal USA Awarded US Navy TAGOS-25 Contract

(Image: Austal USA)

Mobile, Ala. shipbuilder Austal USA announced it has been awarded a contract potentially worth more than $3 billion for the detail design and construction of new TAGOS-25 class ocean surveillance ships for the U.S. Navy.The $113.9 million fixed-price incentive (firm target) and firm-fixed-price contract includes options for detail design and construction of up to seven T-AGOS 25 class ships which, if exercised, would bring the cumulative value of the contract to $3.195 billion.Austal…

14 Apr 2023

ClassNK Grants AIP for Offshore Wind Vessel Conversion

Classification society ClassNK announced it has issued an approval in principle (AIP) for the conversion plan of the medium-sized self-elevating platform (SEP) vessel for the installation of large wind turbine generator (WTG) on a semi-sub floater in port jointly developed by TOA Corporation (TOA), NIHON SHIPYARD CO.,LTD. (NSY), and Japan Marine United Corporation (JMU).This project involves a semi-sub floater developed by JMU, and a large WTG to be installed by a converted SEP…

28 Feb 2023

ClassNK Publishes New Containership Safety Standards

© Photo Gallery / Adobe Stock

Classification society ClassNK announced new sets of guidelines to aimed at safer and more efficient ocean container transport. The new "Guidelines for Container Stowage and Securing Arrangements (Edition 3.0)" and "Guidelines for Parametric Roll Countermeasures" are available to download via ClassNK’s website.Responding to rapid increases in the size of container ships and advances in lashing technology, the Guidelines for Container Stowage and Securing Arrangements (Edition 3.0)…

11 Jan 2023

Tom Perrine, Austal VP of Engineering, Retires

Austal USA Vice President of Engineering, Tom Perrine, has retired after eight years of service with the company and over 40 years in the shipbuilding industry. Photo courtesy Austal USA

Austal USA Vice President of Engineering, Tom Perrine, has retired after eight years of service with the company and over 40 years in the shipbuilding industry. During his tenure, Perrine led Austal USA’s engineering department overseeing the work of over 250 engineers, naval architects, designers, and other engineering support staff and overseeing the department’s shift to include steel design and construction.During Perrine’s tenure with the company, Austal USA delivered 23 surface combatants and auxiliaries to the U.S.

05 Jan 2023

AiP for Ammonia Floating Storage and Regasification Barge (A-FSRB)

Image of A-FSRB (courtesy of NYK Line)

ClassNK issued an Approval in Principle (AiP) for an ammonia floating storage and regasification barge (A-FSRB) jointly developed by NYK Line, Nihon Shipyard Co., Ltd. (NSY), and IHI Corporation (IHI), reportedly the world's first AiP for A-FSRBs handling ammonia as cargo.Ammonia, which does not emit CO2 during combustion, has attracted attention for its use in thermal power plants and other applications as a potential fuel for decarbonization, while the development of onshore facilities for storage and regasification is a challenge.

30 Nov 2022

ClassNK Grants AiP for Dual Fuel Generator Engine Using Hydrogen Gas as Fuel

©ClassNK

Japanese ship classification society ClassNK has granted an Approval in Principle (AiP) for a dual fuel generator engine using hydrogen gas as fuel and related machinery systems and arrangements for a 160,000m3 liquefied hydrogen carrier developed by Kawasaki Heavy Industries, Ltd. (KHI). This marks ClassNK's first AiP for a dual fuel generator engine using hydrogen gas as fuel.As hydrogen is expected to be used as a clean energy source to realize a decarbonized society, ClassNK…

28 Sep 2022

ClassNK Grants AIP for NYK's Ammonia Bunkering Vessel

3D model of an ammonia bunkering vessel (Image: NYK Line)

Classification society ClassNK announced it has issued an approval in principle (AIP) for an ammonia bunkering vessel (ABV) developed by Japanese shipping company Nippon Yusen Kabushiki Kaisha (NYK Line).The ABV developed by NYK Line will be used as a bunkering vessel for ammonia-fueled vessels, which are expected to be widely used from the late 2020s. The company has developed its own design drawings, and introduced a method of creating 3D models linked to the drawings at an early stage of concept design…

08 Sep 2022

ClassNK Grants AIP for Ammonia-fueled Ammonia Gas Carrier

(Image: Nihon Shipyard)

Classifiction society ClassNK has issued an approval in principle (AIP) for an ammonia-fueled ammonia gas carrier (AFAGC) that is currently under research and development of Nippon Yusen Kabushiki Kaisha (NYK Line), Japan Engine Corporation, IHI Power Systems Co., Ltd. and Nihon Shipyard Co., Ltd.Ammonia is expected to be used as ship fuel for decarbonization since it does not emit CO2 when combusted. Meanwhile, adequate safety measures are imperative as it has been pointed out that ammonia is toxic to humans and corrosive to materials.

29 Aug 2022

ClassNK Updates Guidelines for Direct Load Analysis & Strength Assessment

© Nikolay / Adobe Stock

Classification society ClassNK has released its Guidelines for Direct Load Analysis and Strength Assessment (Edition 2.0), which clarifies the requirements for more rational structural design reflecting the latest structural strength assessment methods based on R&D outcomes.ClassNK’s Rules and Guidance for the Survey and Construction of Steel Ships and IACS CSR stipulate that hull strength assessment based on finite element analysis should be conducted, and the evaluation applying simplified formulae of the loads depending on ship type estimated from existing ships is required.

23 Aug 2022

ClassNK Grants AiP for MOL's Large LCO2 Carrier

 Image of a LCO2 Carrier (Courtesy of Mitsui O.S.K. Lines)

Classification society ClassNK has issued an Approval in Principle (AiP) for the design of a large-scale liquefied carbon dioxide (CO2) carrier developed through Research and Development Project from NEDO by Mitsui O.S.K. Lines, Ltd. (MOL).MOL has launched research and development (R&D) on the adoption of a large-scale liquefied CO2 carrier in response to a call for proposals by Japan's New Energy and Industrial Technology Development Organization (NEDO) to complete the conceptual design, under a project entrusted by NEDO to Japan CCS Co., Ltd. (JCCS).

06 Jul 2022

ClassNK Publishes Technical Journal on Zero-emissions Ships

© torsakarin / Adobe Stock

ClassNK has released the latest "ClassNK Technical Journal", which has been published for contributing to the development of the maritime industry through the outcome of R&D and technical activities.The latest issue "ClassNK Technical Journal No.5 2022 (I)" focuses on “Zero-Emission Ships”, including efforts of the planning and design of next-generation greener ships, development of onboard CO2 capture system, prospects for widespread adoption of next-generation standard EV vessel and efforts to reduce GHG emissions from ships.In addition…

09 May 2022

ClassNK Releases PrimeShip-HULL 2022 Software

(Image: ClassNK)

Classification society ClassNK has released its design support system “PrimeShip-HULL 2022”. It complies with the recent comprehensive revision of its Rules for the Survey and Construction of Steel Ships Part C and provides extensive support for shipbuilding design combining safety and rationality.PrimeShip-HULL series is software for strength evaluations based on the Rules Part C, which stipulates requirements for hull structures. To improve the efficiency of the design process…

28 Apr 2022

Kawasaki Hydrogen Carrier Earns AIP from ClassNK

Left to right: Mr. Toshiyuki Shigemi, Senior Executive Vice President, ClassNK, and Mr. Tatsuya Motoi, Executive Officer, Kawasaki Heavy Industries (Photo: Kawasaki Heavy Industries)

Classification society ClassNK announced it has issued an approval in principle (AIP) for a large liquefied hydrogen carrier developed by Kawasaki Heavy Industries, Ltd.Hydrogen is expected to be used as a clean energy source to realize a decarbonized society as its burning does not emit CO2. To contribute to the maritime transportation of hydrogen and usage for marine fuel, which is anticipated to expand its use worldwide, ClassNK has worked on the establishment of necessary standards and certification.In addition to class registration of the world’s first liquefied hydrogen carrier…

12 Apr 2022

Austal USA Opens New Steel Facility

(Photo: Austal USA)

Mobile, Ala. shipbuilder Austal USA hosted a ceremony to celebrate the opening of its new facility which adds steel shipbuilding capability to the company’s well-established aluminum shipbuilding expertise.“We are so excited to see our plans to add steel to our capabilities come to fruition,” said Austal USA President Rusty Murdaugh. “The addition of steel capability is a game changer as it opens up our capability to support the U.S. Navy, U.S. Coast Guard and other customers with high-quality ships.

27 Dec 2021

ClassNK Amends Its Shipbuilding Class Rules

© metamorworks / Adobe Stock

Japan-based classification society ClassNK has released amendments to its Rules and Guidance for the Survey and Construction of Steel Ships dated December 27, 2021.ClassNK is constantly revising its rules and guidance in order to reflect the latest results from relevant research and development projects, feedback from damage investigations, requests from the industry as well as changes made to relevant international conventions, IACS unified requirements (UR), national regulations…