MULTIPLE AiPs FOR DELTAMARIN ECO-FRIENDLY SHIP DESIGNS

Dec 5, 2025 | Ship design & naval architecture news

Deltamarin has received five approvals in principle (AiPs) from DNV and Lloyd’s Register (LR) for its next-generation vessel designs.

The approved next-generation vessel designs include a 20,000m3 LNG bunkering vessel, a hybrid and wind-assisted 9,500m3 liquefied ethylene gas carrier, a 6,200 dwt duplex stainless steel chemical tanker, a 103,000m3 very large ethane carrier (VLEC), and an 8,000 TEU methanol-ready container vessel.

The dedicated LNG bunkering vessel which received AiP rom DNV has a tank capacity of 20,000m3 and is designed to supply large-scale LNG to a variety of large vessels. As a key part of future LNG bunkering infrastructure, the vessel supports the shipping industry’s transition to cleaner energy, enhances safety and operational efficiency, and helps achieve emission reduction goals.

DNV issued AiP for the hybrid and wind-powered 9,500m3 liquefied ethylene gas carrier which is designed to operate in Ice Class 1A areas with ice up to 80cm thick. Its standout feature is the ‘green dual-power system’, which combines battery-hybrid technology with wind-assisted propulsion. This is designed to significantly enhance energy efficiency and to represent a new step forward in applying clean energy solutions to small gas carriers.

A 6,200 dwt chemical tanker design has been granted AiP by DNV. The vessel features duplex stainless steel cargo tanks. Its design overcomes the traditional ‘no redundancy’ limitation for small ships: if the main engine fails suddenly, the shaft generator can provide reverse propulsion, ensuring the vessel can return safely. This capability significantly reduces the risk of leaks and environmental pollution from hazardous cargo in the event of engine failure. The design strategically leverages the EU ETS exemption for ships under 5,000gt. By optimising the hull design, the vessel maximises deadweight to the physical limit of 6,200t, offering customers a green transportation solution that balances efficiency, safety, and operational flexibility.

The 103,000m3 VLEC, which has received AiP from LR, features three GTT Mark III cargo tanks and is specifically built for the safe and efficient transport of gaseous cargo, including liquefied ethane. Its large scale and high efficiency are designed to significantly enhance the efficiency of the global supply chain for clean gaseous energy.

LR issued AiP for Deltamarin’s 8,000 TEU methanol-ready container vessel, prepared to use green methanol as a clean fuel in the future. The design reflects a forward-looking approach, supporting the shipping industry’s transition toward decarbonisation.

Each AiP recognises the technical features of Deltamarin’s latest designs—from hybrid and wind-assisted propulsion solutions and enhanced safety redundancy on small tankers to large-scale clean-fuel logistics, high-efficiency ethane transport, and methanol-ready capabilities for major vessel types. These approvals affirm the technical strength and innovative character of our next-generation vessel designs, highlighting their contribution to safer, cleaner, and more efficient shipping.

Additionally, a versatile FPSO hull design has received AiP from ABS

Image: Deltamarin has received five AiPs for next-generation vessel designs, including a wind-assisted hybrid gas tanker (credit: Deltamarin)

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