Expertise Proven by Results
For over 25 years, CNOI has been supporting civilian and military shipowners in ship repair, conversion, modernization, and construction.
Each project is designed to meet specific technical challenges, carried out with uncompromising operational precision.
Our Areas of Operation
We work on a wide range of shipbuilding and repair projects, including:
• Major repairs on frigates, tuna seiners, and supply vessels,
• Functional conversions of civilian ships,
• Technological upgrades and modernizations,
• Fast-turnaround technical stopovers,
• Newbuild construction of onboard modules or complete vessels.
Each operation is overseen by a dedicated project manager, with rigorous tracking and full traceability in line with quality requirements.
• Major repairs on frigates, tuna seiners, and supply vessels,
• Functional conversions of civilian ships,
• Technological upgrades and modernizations,
• Fast-turnaround technical stopovers,
• Newbuild construction of onboard modules or complete vessels.
Each operation is overseen by a dedicated project manager, with rigorous tracking and full traceability in line with quality requirements.
A Presence Across the Region
Our clients operate from France, Réunion Island, Mayotte, Mauritius, Seychelles, Madagascar, Spain, Australia, and South Korea.
They work in sectors such as defense, industrial fishing, offshore transport, and high-end yachting.
Projects and achievements
CAPTAIN ARCTIC GETS ITS BLUE COLOUR AT CNOI
The Captain Arctic is currently undergoing construction at the Indian Ocean Shipyard Ltd. with another significant milestone: after the complete treatment of its hull, the vessel has now received its first blue livery. This visual advancement coincides with the shipyard entering a more technical phase, where each intervention requires coordination, precision, and rigorous execution.
On board, the lining and insulation are now complete. The first bulkheads and cabins are taking shape, while the electrification phase is gradually beginning throughout the vessel. Behind these advancements are numerous trades working simultaneously to advance the project while adhering to the standards expected in a shipyard of this scale.
At CNOI,
this progress relies on complementary skills, efficient organization, and dedicated teams at every stage of construction.
ANDROMACHE IN SEYCHELLES COAST GUARD COLOURS AT CNOI
Commissioned in 2024, the ANDROMACHE, sister ship of the ETOILE, is currently being handled at Chantier Naval de L’Océan Indien Ltd for its transition to the Seychelles Coast Guard colours. Although visual in appearance, this operation involves all the requirements that define high-quality shipyard execution: rigorous preparation, precise application, compliance with expected standards and close attention to every finish. This type of intervention shows that shipyard excellence is not measured only through heavy works or major technical stops, but also through the ability to handle every operation with the same seriousness, method and level of demand.
At CNOI,
this rigour relies on well-coordinated skills, proven on-site expertise and teams fully committed at every stage.
ETOILE UNDERGOING AN INTERMEDIATE TECHNICAL STOP AT CNOI
The ETOILE is currently undergoing an intermediate technical stop at Chantier Naval de L’Océan Indien Ltd, with a work programme including interventions on the shaft lines, steelwork operations on the underwater hull areas and a complete paint application. Although different in nature, these works are driven by the same requirement: to intervene with precision, at the right time and with the level of rigour needed to ensure a reliable and consistent treatment of the vessel. In this type of operation, the quality of the outcome relies on coordination between the different trades, strong technical control and the constant commitment of the teams on site.
This approach ensures
a structured technical stop, carried out in line with naval standards and the specific requirements of each stage of the project.
ALAKRANA UNDERGOING A MAJOR TECHNICAL STOP AT CNOI
After 20 years of operation, the ALAKRANA is undergoing a major technical stop at Chantier Naval de L’Océan Indien Ltd. Scheduled over more than two and a half months of work, including one month in dry dock, this project includes the replacement of the generator sets and the triplex, two major operations requiring advanced technical expertise and a highly structured organisation. In this type of project, success relies not only on the technical complexity of the works, but also on the commitment of the teams, a constant on-site presence and continuous coordination between the different areas of intervention.
This approach ensures
controlled progress at every stage, with a constant focus on quality, reliability and precision through to the vessel’s return to service.
ALBACAN UNDER REFIT AT CNOI
The ALBACAN, a vessel built in 1991, is currently undergoing a major refit at Chantier Naval de L’Océan Indien Ltd. This one-month dry dock period includes technical work on the shaft line and rudder, two essential components for the vessel’s proper operation, manoeuvrability and reliability. In this type of operation, execution quality relies on precise team coordination, strong technical control and constant attention to every detail. This intervention reflects the shipyard’s commitment to carrying out complex naval works with rigour and precision.
One clear objective
to ensure a reliable, safe and fully controlled return to service.
L’AUSTRAL ODYSSEY PREPARING IN MAURITIUS
The new longliner AUSTRAL ODYSSEY (Austral Fisheries) made a technical stop at Chantier Naval de L'Ocean Indien Ltd for preparation works carried out over around twenty days, ahead of its first fishing campaign in the Southern Ocean. This type of intervention relied on the accuracy of every operation, with smooth coordination between the different technical departments, work carried out with constant high standards, and structured project management ensuring a clear and controlled pace throughout.
This approach helped secure a reliable, consistent and fully controlled commissioning phase before departure for the fishing campaign.
OWNER TRANSITION AND NEW IDENTITY FOR LAYLA
After more than 20 years of service under the name Glénan, the tuna seiner now operates as LAYLA following its acquisition by an Omani group. Its technical lay-up at Chantier Naval de L'Ocean Indien Ltd supported this transition through the integration of the vessel’s new visual identity, as part of an intervention requiring structured preparation, rigorous coordination of operations, and constant attention to execution quality, schedule control and the level of finish expected by the new owner.
This intervention ensured a controlled transition and prepared the vessel for the resumption of operations under its new identity.
FIVE-YEAR SURVEY OF BARAKAH 1 IN MAURITIUS
The tugboat BARAKAH 1 (ABU DHABI PORTS GROUP), operated by the MPA, was positioned on the hardstand at Chantier Naval de L'Ocean Indien Ltd as part of its five-year survey. This regulatory and technical inspection required the complete dismantling of the thrusters in order to allow a thorough examination of the assemblies, tolerances and critical components. This type of planned lay-up addresses specific operational challenges related to availability, propulsion safety, lifecycle control of equipment and compliance with periodic survey requirements.
This intervention ensured rigorous technical follow-up and prepared the tugboat for a return to service under fully controlled conditions.
INTEGRATION OF THE SEAKITE® SYSTEM ON BOARD CAP KERSAINT
At the end of 2025, the automated wind propulsion system SeaKite®, developed by Beyond the Sea, was installed on board the longliner Cap Kersaint, a vessel operated by CAP BOURBON and engaged in sustainable fishing operations. The integration of the 100 m² system was carried out between November and December 2025 at Chantier Naval de L'Ocean Indien Ltd, during the vessel’s 10-year regulatory survey for operations in the French Southern and Antarctic Lands. The shipyard teams carried out the full installation and technical integration of the system, with constant attention given to the reliability of structural and system interfaces, the safety of equipment and crews, and full compatibility with the operational constraints of a deep-sea fishing vessel.
This intervention made it possible to turn a breakthrough technological innovation into a practical, controlled and immediately operational solution under real operating conditions.
CAPTAIN ARCTIC – LOGBOOK OF AN EXTRAORDINARY SHIPYARD – DECEMBER 2025
The shipyard has reached a major milestone with the integration of the third deck and the start of interior outfitting within the Captain Arctic’s hull. Cabins, technical compartments and living areas are gradually taking shape, each element precisely positioned and assembled by CNOI teams.
A demanding finishing phase will continue through to 31 January 2026, engaging welders, insulation specialists and technicians in the final stages of structural installation and thermal protection.
CAPTAIN ARCTIC – LOGBOOK OF AN EXTRAORDINARY SHIPYARD – NOVEMBER 2025
Departing from Dubai, the 700-tonne hull of the Captain Arctic arrived in Mauritius after a 23-day tow. Upon arrival, CNOI teams immediately launched a highly technical and strategic operation: dry-docking the vessel. Carried out using the CIMOLAI system (1,500-tonne capacity) and supported underwater by specialized divers, the manoeuvre was executed with millimetric precision under reinforced safety protocols.
A new phase begins: over the next ten months, all trades will be mobilized to complete the vessel, representing more than 280,000 hours of work on site.
CAPTAIN ARCTIC – LOGBOOK OF AN EXTRAORDINARY SHIPYARD – OCTOBER 2025
In October, an important milestone was reached: part of the “bare” hull of the Captain Arctic was launched in Dubai. Built by Goltens Worldwide, it represents 10% of the overall project.
The remaining 90%, already well underway by the CNOI, covers engineering, procurement, prefabrication of piping systems and modules, system integration (propulsion, energy, automation), outfitting, installation of rigid sails, and all testing.
Next step:
the ocean crossing to Mauritius, where the CNOI teams will continue integration and fine-tuning to fully bring the vessel to life.
RÉUNION ISLAND 2 – END OF TECHNICAL STOP AND RETURN TO SEA
After three weeks of technical downtime at the CNOI, the 70-meter-long Île de la Réunion 2 is heading back to sea, ready for a new fishing campaign. Inspections, maintenance, mechanical checks, and technical adjustments: everything has been thoroughly reviewed to ensure performance, safety, and reliability in extreme conditions.
Result:
now setting course for the Roaring Forties, in the heart of the southern latitudes.
CHATOUILLEUSE – STRATEGIC SUPPORT & RESPONSIVENESS
Following Cyclone Chido in Mayotte in December 2024, CNOI quickly mobilized its teams to bring the amphidrome Chatouilleuse — designed and built by our shipyard — back into service.
A fast diagnosis, return to the yard by May 2025, and targeted repairs on the structure, mechanics, and onboard electronics ensured an efficient recovery. Our in-depth knowledge of the vessel enabled a reliable and optimized return to operation.
A concrete example of our commitment to acting swiftly, efficiently, and sustainably.
MARION DUFRESNE – A MAJOR UNDERTAKING
Technical maintenance of the iconic vessel Marion Dufresne, carried out in Port-Louis.
This complex project required our full mechanical expertise, multi-disciplinary coordination, and strict schedule management.
Result: the vessel was returned to service on time, thanks to precise execution and an integrated industrial approach.
CAPTAIN ARCTIC – LOGBOOK OF AN EXTRAORDINARY PROJECT – SEPTEMBER 2025
The hull of the Captain Arctic, a new-generation polar expedition vessel, is nearing completion in Dubai.
Measuring 69 meters in length, this innovative ship is about to reach Mauritius, where the project will enter a decisive construction phase.
Designed to explore polar regions while minimizing its carbon footprint, this vessel embodies a new vision of sustainable navigation.
A large-scale project: marking a major milestone in eco-responsible maritime exploration.
What Our Clients Say
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