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Wednesday, April 22, 2026

Northern Offshore Services News

14 Oct 2025

NYK Inks Long-Term Charter for Japan-Built CTV for Akita Offshore Wind Farm

Illustration (Credit: Northern Offshore Services (N-O-S))

Japan’s NYK has signed a long-term time-charter agreement for a domestically built crew transfer vessel (CTV) with Oga Katagami Akita Offshore Green Energy, a joint venture established by JERA Nex bp Japan, Electric Power Development, Tohoku Electric Power, and Itochu Corporation.The 28-meter-long vessel will be constructed by Kosaba Shipbuilding in Kamaishi City, Iwate Prefecture, and will operate along the coasts of Oga, Katagami, and Akita, supporting Japan’s first offshore wind project in general sea areas.The design is based on a model operated by Northern Offshore Services (N-O-S)…

02 Jun 2025

A-O-S Expands Fleet With Delivery of 4th G-Class Vessel

Credit: American Offshore Services

American Offshore Services (A-O-S) announced the delivery of M/V Gamekeeper, the fourth addition to the growing G-Class fleet. The vessel has been delivered from the shipyard and is now operational, ready to support projects along the U.S. East Coast.The 30-meter, U.S.-built, Jones Act-compliant catamaran is one of the largest and most capable crew transfer vessels (CTVs) in the country. Powered by four engines, Gamekeeper offers exceptional fuel efficiency and maneuverability.

11 May 2025

CTV Converted to Biomethanol Power

Source: NYK

Northern Offshore Services (N-O-S), a subsidiary of Northern Offshore Group (NOG), an NYK Group company that operates crew transfer vessels in the global offshore wind industry, has upgraded a crew transfer vessel (CTV) to run on biomethanol.Designed and developed by N-O-S, the vessel has been named Transporter. It is a conversion of a smaller A-class CTV to install a methanol engine.N-O-S plans to use only biomethanol as fuel, a clean, renewable fuel derived from sustainable biomass.David Kristensson…

08 Apr 2025

N-O-S Takes Delivery of World’s First Biomethanol CTV

M/V Transporter (Credit: Northern Offshore Services)

Northern Offshore Services (N-O-S) has taken delivery of the world’s first 100% biomethanol-powered crew transfer vessel (CTV), chartered by Vestas.M/V Transporter, designed, developed and provided by N-O-S, is a conversion from A-Class to T-class.The vessel is a 25-meter, high-speed catamaran with an updated and improved hull design, 24 pax seating, specially designed for fast and reliable transfer of technicians and light cargo.The initiative is in collaboration with Vestas…

14 Jan 2025

NYK Launches Japan’s Offshore Wind Ship Management Firm

(Credit: NYK)

NYK and Akita Eisen KK have established a joint company Japan Offshore Support (JOS) to provide ship maintenance and management services for offshore wind power projects, as well as training and employment for seafarersBy actively recruiting local talent, JOS will contribute to the development of offshore wind power projects and the revitalization of the local community in Akita Prefecture.JOS will be mainly responsible for the maintenance and management of crew transfer vessels…

29 Nov 2024

A-O-S Welcomes Its Third CTV for Offshore Wind Market

M/V Guarder CTV (Credit: A-O-S)

American Offshore Services (A-O-S) has taken delivery of a hybrid-ready ready Crew Transfer Vessel (CTV), the third G-Class vessel for the company in 2024, which will support the development of offshore wind industry on the United States’ East Coast.The vessel, named M/V Guarder, has been designed and developed in partnership with Northern Offshore Services (N-O-S) to transfer technicians and equipment to the rapidly expanding offshore wind industry, a service crucial for constructing and maintaining wind energy infrastructure.As a ‘future-proof’ platform…

05 Nov 2024

N-O-S Focuses on Crew Comfort with CTV Newbuild

Photo Credit: N-O-S

As global offshore markets evolve to create a more sustainable future, rising up to meet these challenges is Sweden-based Northern Offshore Services. Offshore engineers won’t be the only beneficiary – but they might be the most important. In August, Northern Offshore Services (N-O-S) unveiled its unique I-Class Crew Transfer Vessel (CTV), powered by the first commercial application of Volvo Penta’s IPS Professional Platform. In the cutting-edge IMPRESSER, N-O-S designed a flexible…

03 Oct 2024

CTVs: Future-proofing Today’s Offshore Wind Solutions

(Credit: N-O-S)

The first commercial application of Volvo Penta’s IPS Professional Platform will power Northern Offshore Services’ next-gen crew transfer vessel. Longtime collaborators Volvo Penta and N-O-S aim to more than satisfy the unique requirements of a possible 25x increase in offshore wind production.Upon arrival in Gothenburg, an observant visitor quickly realizes that Sweden is one of the cleanest places on earth. Epitomizing that lofty standard are two marine industry heavyweights…

23 Sep 2024

N-O-S Orders Four Hybrid E-Class Vessels

(Image: Northern Offshore Services)

Northern Offshore Services (N-O-S) on Monday announced it has ordered a series of new E-Class crew transfer vessels (CTV) for scheduled delivery during the second half of 2025.A N-O-S spokesperson told MarineLink the order is for four CTVs from Penguin Shipyard in Singapore.The 36.5-meter-long (loa) aluminum catamaran vessels will feature updated and improved hull design for improved fuel efficiency, reduced environmental impact and enhanced stability, the N-O-S announcement said.

02 Jul 2024

U.S. Shipbuilding Sector in Focus: Crew Transfer Vessels

Credit: WindServe Marine

A fleet of Jones Act compliant crew transfer vessels is growing in stride with the United States’ burgeoning offshore wind industry.When the United Sates’ first purpose-built crew transfer vessel (CTV), Atlantic Pioneer, was delivered in 2016, the country’s offshore wind industry was just getting off the ground. In the years that followed, the industry has been building up—perhaps slower than expected at times—but today is moving forward in earnest.Coinciding with this build-up is the growth of a fleet of Jones Act qualified vessels…

28 Jun 2024

American Offshore Services Launches Its Second CTV

(Credit: American Offshore Services)

American Offshore Services (A-O-S) announced the launch of its second crew transfer vessel (CTV), Generater, designed to support the United States' growing offshore wind industry.Generater is a 99-foot, Jones-Act-qualified catamaran built to serve wind farms off the U.S. East Coast.Like sister vessel Gripper, the newbuild is of Northern Offshore Services (N-O-S)’ 30-meter G-Class design with focus on comfort for crew and technicians, making it possible to stay offshore for 24-hour operations…

17 Mar 2024

Launch Ceremony Held for A-O-S' New Jones Act CTV Gripper

(Photo: American Offshore Services)

An official launch ceremony was held to celebrate the commissioning of a new Jones Act compliant crew transfer vessel (CTV) built for American Offshore Services (A-O-S)—the company's first.Constructed by Blount Boats in Warren, R.I., the 100-foot-long aluminum catamaran is owned and operated by A-O-S, a joint venture formed in 2020 by leading European CTV operator Northern Offshore Services (N-O-S) and U.S.-based investment firm OIC.The vessel will support Ørsted and Eversource’s portfolio of offshore wind farms in the Northeast…

17 Mar 2024

American Offshore Services Takes Delivery of Its First CTV

(Photo: American Offshore Services)

American Offshore Services (A-O-S) has taken delivery of its first crew transfer vessel (CTV), Gripper, purpose built to support the U.S. offshore wind industry. The vessel is scheduled to be christened during an official ceremony later this month.The Jones Act compliant aluminum catamaran was built by Blount Boats in Warren, R.I., based on Northern Offshore Services' (N-O-S) 30-meter G-class design. The newbuild features Volvo Penta's IPS propulsion system and is said to be "hybrid-ready"…

19 Feb 2024

N-O-S Consolidates Ops in UK

(Credit: N-O-S)

Northern Offshore Services (N-O-S), part of Northern Offshore Group (N-O-G), has integrated Mareel within the company as N-O-S Ltd, simultaneously adding its 16 crew transfer vessels (CTV) to the fleet.The move marks an important step toward optimizing synergies within the organization and pave the way for a unified market approach.The initiative is set to reinforce N-O-S’ business, providing a cohesive platform for delivering unparalleled services to their clients by capitalizing on N-O-S experience in the fast-growing renewable energy segment.“At N-O-G…

18 Jan 2024

N-O-S First to Adopt Volvo Penta's New IPS Professional Platform

(Image: Northern Offshore Services)

Volvo Penta announced Northern Offshore Services (N-O-S) will be the first to deploy its new IPS Professional Platform, lining up installs on newbuild crew transfer vessels (CTV) slated to set sail in the second half of 2024.Volvo Penta's newly launched propulsion offering, an evolution of its proven Inboard Performance System (IPS) solution, is designed with a dual power input concept that enables the utilization of different combinations of power sources from combustion engines running on renewable fuels to fully electric or hybrid solutions.

12 Jan 2024

Penguin Delivers CTV Pair to Northern Offshore Services

(Photo: Northern Offshore Services)

Northern Offshore Services (N-O-S) announced it has taken delivery of two new crew transfer vessels (CTV) from Penguin Shipyard in Singapore.The R-Class sister vessels, Runner and Responder, were officially handed over in 2023 and are now ready for operation in Europe, N-O-S said.The the R-Class was created by N-O-S' in-house R&D department, featuring a "future proofed" automation system, N-O-S Green Technology solutions, efficient and effective hull shape, and a flexible engine configuration designed to only use the power that the current situation requires…

28 Aug 2023

Offshore Wind: US Shipbuilders Answering the Call

From left to right: Lasse Petterson, CEO of Great Lakes Dredge and Dock; Rep. Mary Gay Scanlon, D-Pa.; President Joe Biden; and Steinar Nerbovik, CEO of Philadelphia Shipyard (Photo: Philly Shipyard)

It’s a big deal when a U.S. president visits an American shipyard, and these trips always send a message. When President Obama spoke at HII’s Newport News Shipbuilding in 2013, he warned of the consequences of sequestration. President Trump’s 2020 speech at Fincantieri Marinette Marine touted a $5.5 billion naval contract that gave a welcome boost to the Wisconsin shipyard and its supply chain partners. Most recently, President Biden traveled to Philadelphia’s Philly Shipyard…

21 Dec 2022

Vestas, N-O-S to Deploy World's First Methanol-powered Crew Transfer Vessel at German Wind Farm

©N-O-S

Offshore wind turbine maker Vestas and offshore vessel owner Northern Offshore Services (N-O-S) have partnered up to deploy the world’s first methanol-powered offshore crew transfer vessel to drive down emissions from offshore wind service operations.Vestas has signed a five-year charter to explore how the world’s first methanol-powered crew transfer vessel (CTV) can help reduce carbon emissions from its offshore service operations. The CTV, provided and developed by N-O-S, will be powered by a dual-fuel solution…

15 Aug 2022

American Offshore Services Hires Romano as Vessel Superintendent

Michael Romano (Photo: American Offshore Services)

American Offshore Services said it has hired Michael Romano as vessel superintendent focused on new building and operations as the Massachusetts-based crew transfer vessel owner/operator ramps up to support America's burgeoning offshore wind industry.Romano graduated summa cum laude from the Massachusetts Maritime Academy in 2014. Since graduation, he has earned his Master Unlimited license sailing on a variety of vessels supporting offshore oil and gas. Romano has also gained vessel management experience in his previous marine operations role.Formed in 2020…

17 Mar 2022

NYK's First Crew Transfer Vessel Starts Northern Offshore Charter

Credit: NYK

Japan's NYK said Thursday its new crew transfer vessel (CTV) Energizer had started its charter with Northern Offshore Services AS (NOS), a subsidiary of the Sweden-based Northern Offshore Group AB (NOG).The CTV, which will be used to service offshore wind farms, is owned by NYK and is being chartered to NOS through a long-term bareboat charter contract. It will transfer crews to offshore wind power stations, mainly in Europe, under the operation of NOS. NOG operates about 60 CTVs in the offshore wind power market in Europe…

14 Feb 2022

Orion to Fund Construction of American Offshore Services' CTV Fleet

Rendering of AOS Wind Farm Crew Transfer Vessel

American Offshore Services, a crew transfer vessel owner/operator has entered a strategic partnership with Orion Infrastructure Capital to build "state-of-the-art CTVs designed to transport technicians and materials in varied offshore conditions."Under the arrangement, OIC will provide financing to build a series of CTVs at Blount Boats to service the United States’ emerging offshore wind industry.Formed in 2020, A-O-S is a joint venture between European CTV operator, Northern Offshore Services (N-O-S), and U.S. offshore logistics company, SEA.O.G Offshore, to provide services to the U.S.

27 Jan 2022

Ørsted and Eversource to Charter Newbuild CTVs from WindServe and AOS

WindServe Marine's WindServe Odyssey began operations in 2020 (Photo: WindServe Marine)

Offshore wind developers Ørsted and Eversource announced Thursday that they have chosen two regional vessel operators that will partner with Rhode Island shipyards to build crew transfer vessels (CTV) to service their wind farm projects in the U.S. Northeast. The joint venture partners revealed plans to charter five new Jones-Act-compliant CTVs, including three from New York-based WindServe Marine and two from Massachusetts-based American Offshore Services (AOS).The purpose-built aluminum catamarans are designed to handle the unique offshore conditions at the wind farms…

27 Dec 2021

Building a New Fleet: CTVs for US Offshore Wind

(Photo: Atlantic Wind Transfers)

The U.S. has big plans for its offshore wind industry, and shipbuilders like Blount Boats and others are ramping up to capitalize on the unprecedented opportunity.Earlier this year, the Biden Administration unveiled its goal to have 30 gigawatts (GW) of offshore wind power installed and in development in the U.S. by 2030. The announcement, which included plans to open new areas to development, accelerate permits and boost public financing for projects, injected a healthy dose of optimism into an American offshore wind industry that has taken its time getting off the ground.To date…