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Seaspan, SHI and ZIM orders ‘ammonia conversion-ready’ LNG bunker fuel tanks from GTT

GTT will design the fuel tanks for five 15,000 TEU LNG-fuelled container vessels which are expected to be delivered between Q3 2023 and Q1 2024.

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GTT (Gaztransport & Technigaz), an engineering firm specialising in containment systems with cryogenic membranes used to transport and store liquefied natural gas (LNG), on Monday (19 July) said it has received an order for the fuel tank design of five very large LNG-fuelled container vessels from Samsung Heavy Industries (SHI) during the end of June.

The shipyard order for bunker fuel tanks of the 15,000 TEU LNG-fuelled containerships are on behalf of Asian ship-owner Seaspan Corporation (Seaspan), the world’s largest independent owner and operator of container ships, a wholly owned subsidiary of Atlas Corp and the Israeli charterer ZIM.

The fuel tank of each vessel will offer a capacity of 12,000 m3 and will be fitted with the Mark III membrane containment system. These tanks will include unique features to facilitate a potential conversion of these vessels to ammonia. 

The Mark III membrane technology tank has been adapted for compatibility with ammonia, offering both Seaspan and ZIM, greater operational flexibility in case of changes in environmental regulations. In addition to the engineering services and on-site technical assistance, GTT will assist Seaspan through every step of their first LNG-fuelled project: commissioning of the LNG tank, first LNG bunkering operations, as well as further specific LNG operations and maintenance of the vessels. 

Moreover, GTT will provide LNG training for the crews, supported by its proprietary G-Sim training simulator, which replicates the future LNG operations of the vessels. Seaspan will also benefit for the availability of the HEARS® emergency response service with 24/7 technical assistance. 

The vessels will also be fitted with GTT digital platform for monitoring and optimising their operational performance and their environmental footprint. Vessels deliveries are scheduled to occur between the third quarter of 2023 and the first quarter of 2024. 

Philippe Berterottière, Chairman and CEO of GTT, declared: “This first collaboration on LNG fuel business with our long-time partner Samsung Heavy Industries, for the ship-owner Seaspan and the charterer ZIM, is a major milestone for GTT. We are particularly proud that leading shipbuilding and shipping companies recognise and choose GTT’s innovative solutions. The ammonia compatibility of the ordered vessels offers flexibility and demonstrates GTT’s continued commitment to protect shipowners investments in a context where they have to constantly adapt to evolving environmental regulations.”

Henry (Ho-hyun) Jeong, Executive Vice President & Chief Technical Officer of SHI, said: “After the construction of the first FLNG1 and the first large capacity ethane tanker, SHI, with the support of GTT, is once again positioning itself as a pioneer in the development of innovative solutions. This order signifies another step towards naval solutions to reduce greenhouse gas emissions.” 

Torsten Pedersen, Chief Operating Officer of Seaspan, said: “Seaspan prides itself on being a creative solution provider, and we work very closely with our customers to support their strategies and objectives. In this case, we are excited and proud to support ZIM’s ambitions to operate highly efficient vessels with a very low environmental impact. By working with ZIM, GTT, SHI and DNV on “Ammonia Ready” features, we are taking a long-term view toward futureproofing these vessels.” 

David Arbel, Executive Vice President & Chief Operating Officer of ZIM, stated: “ZIM as charterer is striving for zero environmental impact in our operations, with special focus on alternative non-polluting fuel use. “Green” ammonia is a potential marine fuel as the shipping industry moves to a zero-carbon future. ZIM feels very proud to be a part of this technical challenge shifting from fossil fuels to renewables.”

 

Photo credit: GTT
Published: 22 July, 2021

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Environment

Indonesia to expedite removal of sunken Malaysia-flagged tanker “Silver Sincere”

Vessel sank while carrying about 1,000 mt of waste oil on 12 January 2025; the wreck was discovered in March 2025 and was found to have drifted about 13 nautical miles from its original sinking site.

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Indonesia to expedite removal of sunken Malaysia-flagged tanker “Silver Sincere”

Indonesia’s Coordinating Ministry for Political and Security Affairs on Tuesday (14 July) held a cross-agency coordination meeting to expedite efforts in handling the Malaysian-flagged tanker Silver Sincere that sank off Bintan Regency, Riau Islands.

The vessel sank while carrying about 1,000 metric tonnes (mt) of waste oil on 12 January 2025. 

According to authorities, the ship sank within Indonesian waters. After several surveys, the wreck was finally discovered in March 2025 and it was found to have shifted approximately 13 nautical miles from the initial sinking location.

The meeting was aimed to align cross-ministerial and institutional measures to expedite the handling of the Silver Sincere wreck while minimising risks to shipping safety, the marine environment, and national interests.

Deputy for Coordination of State Defense and National Unity Purwito Hadi Wardhono emphasised that the handling of the impact of the Silver Sincere sinking was the first case to be comprehensively coordinated, serving as a model for handling foreign vessels sinking within Indonesian jurisdiction.

Through this cross-sectoral coordination, the government will establish a clear and measurable framework that can serve as a reference for resolving similar cases in the future, while minimising state losses due to environmental pollution, damage to underwater ecosystems and infrastructure, and disruption to shipping lanes.

“The most important thing is to immediately stop and prevent the negative impacts of this ship sinking,” Purwito said.

“Therefore, a coordinating role is crucial, as maritime security governance involves various ministries and institutions with varying authorities, allowing for faster, more integrated, and more effective response,” he said. 

He added that the Silver Sincere was a Malaysian-flagged vessel that sank within Indonesian jurisdiction, and therefore, all handling processes must comply with the provisions of Indonesian laws and regulations.

In the meeting, Prof. Eko Ganis Sukoharsono, representing the SAE Energy Consulting Team, presented the results of an analysis based on 14 observation periods using Sentinel-1 Synthetic Aperture Radar (SAR) satellite imagery. 

The analysis results showed strong indications of a waste oil spill that has resulted in marine pollution, damage to the seabed due to shifting shipwrecks, disruption of coastal ecosystems and fishing grounds, and potentially threatening the livelihoods of fishing communities around the Riau Islands. 

Purwito added these findings further emphasise the importance of accelerating the removal of the shipwrecks to prevent widespread environmental impacts, maintain shipping safety, and avoid the potential for greater state losses.

The meeting brought together representatives of related ministries and institutions including the Ministry of Foreign Affairs, Ministry of Defense, Ministry of Transportation, Ministry of Maritime Affairs and Fisheries, Ministry of Environment, Attorney General’s Office.  

Related: MPA: Malaysia-registered tanker “Silver Sincere” sinks off Pedra Branca

 

Photo credit: MarineTraffic / Julian T
Published: 20 July, 2026

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LNG Bunkering

Singapore: FueLNG achieves 800th LNG bunkering operation milestone

Bunker tanker “FUELNG Venosa” delivered LNG marine fuel to bulk carrier “MV Ubuntu Humanity” at Eastern Bunkering A Anchorage (AEBA) on 11 July.

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Singapore: FueLNG completes 800th LNG bunkering operation

Singapore’s licensed LNG bunker supplier FueLNG on Friday (17 July) announced the successful completion of its 800th LNG bunkering operation in the republic.

The company said bunker tanker FUELNG Venosa delivered LNG marine fuel to bulk carrier MV Ubuntu Humanity at Eastern Bunkering A Anchorage (AEBA) on 11 July. 

“This achievement is more than just a number,” FueLNG said.

“It reflects the trust our customers place in us, the dedication of our operations team, the professionalism of our marine partners, and our unwavering commitment to safe, efficient, and reliable bunker deliveries.” 

Manifold Times previously reported FueLNG completing its 500th LNG ship-to-ship (STS) bunkering operation.

Related: Singapore: FueLNG achieves milestone of 500th STS LNG bunkering operation

 

Photo credit: FueLNG
Published: 20 July, 2026

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Methanol

Western Baltic Engineering unveils green methanol bunkering vessel design for Klaipėda

Designed for flexible operations in shallow waters and local bunkering routes, the concept features an 800-metric-tonne green methanol capacity and the potential to supply up to 250,000 mt annually.

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Western Baltic Engineering unveils green methanol bunkering vessel design for Klaipėda

Ship design and engineering service provider Western Baltic Engineering on Thursday (16 July) showcased its latest concept design for a green methanol bunkering vessel, developed for the operational needs of the Port of Klaipėda.

Designed for flexible operations in shallow waters and local bunkering routes, the concept features an 800-metric-tonne green methanol capacity and the potential to supply up to 250,000 metric tonnes (mt) annually. 

“It is Western Baltic Engineering’s first concept dedicated exclusively to green methanol bunkering, expanding our portfolio of alternative-fuel vessel solutions,” the company said in a social media post.

“Building on our experience in methanol-ready vessel design, it reflects our continued focus on enabling the industry’s transition to cleaner fuels.”

“As the maritime sector evolves, engineering companies have a responsibility not only to respond to market needs but also to anticipate future challenges,” said Marius Arkusauskas, Director at Western Baltic Engineering.

“By exploring emerging technologies and alternative fuel applications, we help our partners prepare for the next generation of maritime operations while contributing to a more sustainable future.”

 

Photo credit: Western Baltic Engineering
Published: 20 July, 2026

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