Tests News

China's Next-generation Aircraft Carrier Starts Sea Trials

China on Wednesday launched sea trials for the Fujian, its third and most advanced aircraft carrier, state media reported.The start of tests by the Chinese navy came nearly two years after the aircraft carrier was first unveiled in June 2022.The Fujian, entirely designed and built domestically, is larger and more advanced than the Shandong, commissioned in late 2019, and the Liaoning, which China bought second-hand from Ukraine in 1998.The development of the Fujian is part of a build-up central to President Xi Jinping's bid to make China the preeminent military power in the region…

IACS Publishes New BWMS Recommendation

IACS has published a new recommendation, Rec. 180, for Conducting Commissioning Testing of Ballast Water Management Systems (BWMS).Efforts to streamline the implementation of BWM Convention took a significant step forward with IMO’s approval of the “2020 Guidance for the commissioning testing of BWMS" and IACS has now further bolstered these efforts with the development of a comprehensive Recommendation (Rec. 180) to facilitate the smooth, effective and harmonized implementation of commissioning tests requirements in line with the international regulations.The guidance in Rec.

WinGD’s Short-Stroke Engine Passes Shop Test

WinGD will record the first installation of its new X-S short-stroke engine design following successful factory acceptance tests with engine builder Dalian Marine Diesel in March.The six-cylinder, 62cm-bore 6X62-S2.0 engine will be installed on a pulp carrier being built for a Chinese owner at COSCO Dalian shipyard.The X-S series succeeds the well-established RT-flex50 and RT-flex58 engines and is available in 52cm and 62cm bore sizes, for the range of fuel options including traditional diesel or dual-fuel LNG…

Imoto Lines and Marindows to Build Next-Gen Zero-Emission Containership

Imoto Lines and Marindows have outlined plans to build the next generation zero-emission domestic container ship capable of hybrid operation using Japan's first exchangeable container batteries, alongside onboard batteries and generators.The joint project between the companies aims to address three major challenges of the maritime industry - decarbonization, crew shortage, and safe navigation.The three-year project is supported by the Ministry of the Environment, Government of…

Ocean Charger for Offshore Wind Vessels Proves a Success

The industry consortium behind the Ocean Charger project, led by Vard, has completed the demonstration of the charging solution in a port as well the connection solution offshore, proving the technology designed to supply clean power to offshore wind vessels is ready for the market.By connecting vessels to the power grid in the wind farm and charging batteries regularly, the Ocean Charger solution is securing availability of emission-free vessel operations.The Ocean Charger has proved through the tests that it can power operations at the field without using any additional energy sources…

Sanmar Launches New Tug for Rimorchiatori Laziali

Turkish tugboat builder and operator Sanmar announced it has launched a new vessel in its exclusive Kocaçay Series of high-powered escort tugs, scheduled to be delivered to Italian customer Rimorchiatori Laziali in May.Kocaçay lX is based on the RAstar 3200SX design developed especially for Sanmar by Canadian naval architects Robert Allan Ltd.The tug’s design is primarily intended for escort operations in exposed areas where exceptional seakeeping capabilities are essential. Following its launch…

Japanese Partner Up on Anti-Roll Tank Research for Large Containerships

ClassNK has signed a joint R&D agreement with Nihon Shipyard and IMC to ensure the safety and performance evaluation of anti-roll tanks (ART) installed on large containerships.Under the R&D agreement, Nihon Shipyard, IMC, and ClassNK will work together to expand the application of ART to large containerships.Utilizing the obtained data and knowledge, each party will collaborate to ensure the safer application of ART on an actual ship and performance evaluation.AS part of the partnership…

ClassNK Hands Out Type Approval Certificate for Corvus Energy’s Ship Battery System

ClassNK has issued a type approval certificate for the lithium-ion storage battery system ORCA Energy, developed by Corvus Energy.Following an application from Corvus Energy, ClassNK carried out an examination of ORCA Energy based on the rule and the ‘Guidance for the Approval and Type Approval of Materials and Equipment for Marine Use’.The guidance applies to tests and inspections of materials and equipment for marine use for which advance approval or type approval by ClassNK is required by the relevant requirements in its rules.Upon confirming it complies with the prescribed requirements…

Chance Maritime Technologies' MC-29 USV Completes Long-endurance Testing

U.S.-based Chance Maritime Technologies, a startup and service provider of uncrewed vessel technology, reports it has completed long-endurance commissioning trials of its MC-29: a 29-foot-long, mission-capable USV that operates at high power with long endurance. The vehicle completed over 40 total operational days, which included 24 operational days of 24-hour operation in Vermilion Bay and the Gulf of Mexico.This new class of utility vessel offers kilowatts of continuously available payload power…

TDI-Brooks Completes Survey Off New York & New Jersey

Between January 2023 and February 2024, TDI-Brooks conducted an extensive site investigation program in two offshore wind blocks in state and federal waters. The projects involved surveying in excess of 20,000 line-kms of analogue and either single or multi-channel seismic in lease blocks and cable routes along the coasts of New York and New Jersey. Various tasks were carried out at different stages, such as offshore geophysical surveys, UHRS detailed surveys, archaeological identification surveys…

Australia Working to Reassure Indonesia Over Cattle Deaths

Australia’s Department of Agriculture (DAFF) has stated that testing has returned negative results for Lumpy Skin Disease and Foot and Mouth Disease, after over 150 cattle died on a voyage to Indonesia on Vroon’s Brahman Express.Australia has received confirmation from the Indonesian authorities that the export of live cattle from a particular registered establishment in the Northern Territory has been suspended pending further investigations to determine the cause of the deaths.The department continues to investigate…

Study Demonstrates Need for New Fire Safety Rules for Methanol-Fueled Ships

A new fire safety study by survival technology solutions provider Survitec finds that existing fire-fighting methods used to extinguish machinery space spray and pool fires on conventionally fueled vessels are inadequate when dealing with methanol-based fires.This follows extensive comparative fire tests on dual-fuel marine engines using diesel oil and methanol.“Our tests confirm that traditional water mist fire suppression mechanisms do not perform as expected on methanol pool fires and methanol spray fires.

PPG Unveils New ‘Ultra Low-Friction’ Vessels Coating

PPG has launched the PPG NEXEON 810 coating, described as an innovative copper­-free antifouling coating developed with a strong emphasis on vessel performance, emissions reduction and sustainability.Independent tests, following ISO 19030 and International Towing Tank Conference standards, have confirmed that the ultrasmooth surface of PPG Nexeon 810 coating can yield an immediate boost in power of up to 10% and enhance operational efficiency by up to 15%, according to PPG.This is due to improved fouling control performance…

Coast Guard Will Not Enforce New California Rule, Citing 'Safety Concerns'

(The Center Square) - The U.S. Coast Guard says it “will not enforce” a new California Air Resources Board regulation, citing “safety concerns.”The Coast Guard and business organizations oppose CARB's requirement that commercial harbor craft install diesel particulate filters (DPF) linked to a number of fires. Seventeen states are suing the Environmental Protection Agency for giving an exemption to California alone to enact its own air standards that, by power of its market size…

Corvus Energy Develops Data-Driven State of Health Test

Corvus Energy has developed a DNV-accepted method for data-driven state of health (SOH) testing.SOH tests for marine battery systems are mandatory and give an overall assessment of the condition, performance and safety of the batteries over time. These tests help determine the battery's capacity, efficiency and remaining life. Using data-driven approaches in these tests enhances accuracy and efficiency in monitoring and maintaining marine battery systems. In addition, the test…

MAN to Offer Ammonia-Fuelled Ship Engines After 2027

MAN Energy Solutions plans to deliver later this year its first-ever engine fuelled by ammonia for installation on a new vessel in Japan and will be ready to offer ammonia-powered engines to its clients after 2027, its chief executive said.Ammonia is among several alternative fuels that shippers are exploring to reduce emissions. The shipping industry transports around 90% of world trade, but accounts for nearly 3% of the world's carbon dioxide emissions, and installing engines…

Kraken Robotics Delivers Minehunting Systems to Royal Danish Navy

Canadian company Kraken Robotics has completed deliveries and sea acceptance tests of all systems for its minehunting sonar equipment under the contract with Royal Danish Navy.The contract was signed in September 2020, following a competitive bidding process. Under the contract with the Danish Ministry of Defence Acquisition and Logistics Organization (DALO), Kraken has delivered four complete turnkey minehunting systems.Each system consists of a KATFISH towed Synthetic Aperture Sonar…

Shipshave’s ITCH Put to the Test

Independent laboratory testing reportedly confirmed there is no decrease in the thickness of hull coatings from the use of Shipshave’s In-Transit Cleaning of Hulls (ITCH) solution, according to the company.The Endures laboratory in the Netherlands was enlisted by Norwegian technology developer Shipshave to perform tests to investigate the impact on the thickness and roughness of anti-fouling coatings from repeated brushing with the ITCH system.A number of coated panels treated…

DESMI’s Aquaculture Treatment Systems Validated by DNV

DESMI has secured third-party validation for the effectiveness of its aquaculture UV treatment systems from DNV.This development moves beyond the traditional certification provided by the Norwegian Veterinarian Institute (NVI) which verifies UV doses of at least 25 mJ/cm2. With many aquaculture operations requiring higher UV doses, typically ranging from 70 to 200 mJ/cm2, DESMI says its validation from DNV provides a much-needed layer of credibility and assurance.Historically…

First LNG Carrier Arrives at New German Mukran Terminal

The first vessel carrying LNG for Germany's Baltic Sea terminal of Mukran arrived on Saturday for a test operation as the country steps up its quest to replace Russian pipeline gas.Private company Deutsche ReGas said that Energos Power, a floating storage and regasification unit (FSRU), had moored at the terminal on Ruegen Island, having received approval from local authorities.Germany has intensified its quest to increase LNG capacity for regasification on its shores, as European countries seek to reduce their heavy reliance on Russian gas following Moscow's invasion of Ukraine.The tests will

Armada Technologies Wins Hull Lubrication Contract with CoolCo

Armada Technologies has secured a hull lubrication contract with LNG carrier company Cool Company Ltd (CoolCo).Under the partnership, Armada will design, engineer, procure, and provide support for the installation and commissioning of its air lubrication system on a CoolCo vessel scheduled to dry dock in 2024. Once commissioned, CoolCo will conduct sea trials and provide documentation to Armada, following ISO or ITTC guidance, to measure the system's performance.Armada CEO Alex…

Insights: Catherine Gianelloni, MITAGS

Catherine Gianelloni sailed with the International Organization of Masters, Mates & Pilots (IOMM&P) for about 10 years after graduating from the U.S. Merchant Marine Academy in 2009. But in between times at sea, she would help out at the MITAGS (Maritime Institute of Technology and Graduate Studies). Operating simulators evolved into teaching opportunities, and Gianelloni took a full-time position in 2012. “Because we are the union school, I was allowed to take breaks—leave of absences—to go out and sail.

UK's Trident Nuclear-deterrent Missile System Misfires During Test

Britain's Trident nuclear-deterrent system misfired during a test last month, sending a missile crashing into the ocean off the Florida coast near the submarine that launched it, The Sun newspaper reported on Wednesday.The Ministry of Defense confirmed that an "anomaly" had occurred during the test but said Britain's "nuclear deterrent remains safe, secure and effective".With Defense Secretary Grant Shapps on board the HMS Vanguard to witness the test, The Sun said, the first…