RINA Leads the Way in LNG Maintenance as Mardi Gras Successfully Completes Drydock in Marseille

Published on
February 9, 2026

In a noteworthy development within the cruise industry, RINA played a key role in overseeing the drydocking of Carnival Cruise Line’s Mardi Gras in Marseille, France, in 2025. This operation not only demonstrated RINA’s deep knowledge of LNG (liquefied natural gas) systems but also underscored the importance of precise planning and coordination in the evolving world of LNG-powered ships. The drydock process highlighted the complexities involved in maintaining LNG propulsion systems, which are becoming increasingly important as the industry moves towards more sustainable fuel alternatives.

As LNG-powered cruise ships grow in popularity, particularly in environmentally-conscious markets, the need for specialized expertise in handling these systems has become paramount. RINA, having been involved in LNG cruise propulsion from the beginning, was well-positioned to ensure the success of Mardi Gras’ drydock. This ship, one of Carnival’s flagship vessels, represents the culmination of years of LNG development, which RINA has helped to guide from its inception.

LNG Technology in the Cruise Industry: A Shift Toward Sustainability

LNG as a fuel choice for cruise ships represents a significant move toward sustainability. Unlike traditional marine fuels, LNG significantly reduces sulfur emissions and particulate matter, making it an environmentally-friendly alternative. As the cruise industry faces increasing pressure to reduce its environmental impact, the adoption of LNG is seen as a key step toward cleaner, greener travel.

However, while LNG systems offer substantial benefits, they also introduce a layer of complexity when it comes to ship maintenance and operations. LNG systems are not as simple as conventional fuel systems; they require careful handling, continuous monitoring, and specialized knowledge to ensure they operate safely and efficiently. This is where RINA’s expertise becomes essential. From system inspections to modifications and safety checks, RINA’s involvement ensures that LNG-powered vessels like Mardi Gras can operate smoothly and without incident, safeguarding both passengers and the environment.

The Vital Role of RINA in LNG-Powered Ship Operations

RINA’s role extends far beyond its responsibilities as a classification society. With years of experience working with LNG-powered vessels, the company has become a trusted partner for cruise lines like Carnival. RINA’s expertise in LNG systems encompasses every aspect of a ship’s lifecycle, from the initial design phase through to operational management and maintenance.

In the case of Mardi Gras, RINA’s involvement in the drydock was critical to ensuring the ship remained operational and efficient. The drydock process involved extensive technical planning, coordination, and preparation, all of which were made possible by RINA’s deep understanding of LNG technology. As a trusted advisor, RINA worked closely with Carnival and the shipyard, overseeing the vessel’s modifications and ensuring all technical systems were thoroughly inspected and ready for service.

Overcoming the Complexities of LNG Systems

LNG systems, while beneficial, present unique challenges compared to traditional marine fuels. The main complexity lies in the safe handling and management of LNG, which requires specific infrastructure and safety measures. The bunkering process, which involves refueling the ship with LNG, must be executed precisely to avoid hazards such as leaks or contamination. Additionally, LNG fuel systems demand rigorous inspection and modification during drydocks to ensure they continue to operate within the highest safety standards.

The drydocking of LNG-powered vessels requires a specialized approach. The complexity of these systems necessitates a heightened level of planning, which was a core component of RINA’s role in the Mardi Gras drydock. Every step of the drydock—from the system inspections to the safety reviews—was carefully executed to ensure the LNG systems were fully functional and the ship was prepared for its next voyage. RINA’s team provided invaluable support in ensuring all technical requirements were met and safety protocols were followed.

The Importance of Early Planning and Coordination

One of the key factors in the success of Mardi Gras’ drydock was early and thorough preparation. LNG drydocks require much more extensive planning than those involving conventional fuels. It is not just about ensuring the shipyard has the right infrastructure in place but also about aligning technical teams, training crew members, and ensuring that the vessel is fully equipped to manage LNG systems efficiently and safely.

RINA’s proactive approach in the planning stages was essential. More than a year before the drydock, RINA conducted a detailed assessment of the shipyard’s readiness to handle LNG operations. This assessment evaluated everything from infrastructure and safety procedures to operational interfaces, ensuring that the drydock would proceed without unexpected delays. By identifying potential challenges early on, RINA ensured that the drydock was a well-coordinated and streamlined process.

Moreover, RINA’s commitment to training the shipyard staff and the vessel’s crew ensured that everyone involved in the drydock was fully prepared to handle the LNG systems. Given the complexities of LNG fuel systems, it was essential that the personnel responsible for overseeing the drydock were properly trained to manage these systems. RINA’s expertise in this area played a crucial role in making sure that the crew and shipyard teams were ready for the tasks at hand.

Safety and Efficiency: Maintaining LNG Standards

Safety remains a top priority in the management of LNG-powered vessels, and drydocks are no exception. LNG fuel systems, by their very nature, present risks that require stringent safety protocols to manage. This is why RINA’s involvement in the drydock process was so important. By adhering to strict safety standards and conducting thorough safety reviews, RINA ensured that Mardi Gras was fit to return to service without compromising passenger or crew safety.

Efficiency was another critical factor in the drydock process. Cruise lines rely on timely operations to maintain their schedules, and the longer a ship remains in drydock, the more it impacts the overall business. RINA’s detailed planning and coordination helped ensure that Mardi Gras was able to complete the drydock efficiently, minimizing downtime and ensuring the ship was ready to return to its regular operations with minimal delays.

Conclusion: Paving the Way for LNG-Powered Cruise Ships

The drydocking of Mardi Gras in Marseille marks a new chapter in the integration of LNG technology within the cruise industry. As more cruise lines turn to LNG as a sustainable fuel source, the need for specialized knowledge and expertise in managing LNG systems will continue to grow. RINA’s role in the drydock process not only ensured the continued safe operation of Mardi Gras but also demonstrated the critical importance of thorough preparation, technical expertise, and safety protocols in maintaining LNG-powered vessels.

Looking ahead, the success of Mardi Gras’s drydock sets a precedent for future LNG-powered cruise ships. With LNG technology now firmly established as the fuel of choice for environmentally-conscious cruise lines, RINA’s ongoing involvement in the industry will continue to play a crucial role in ensuring these vessels operate safely, efficiently, and sustainably. As the cruise industry embraces LNG as a cleaner alternative, RINA remains at the forefront, guiding the way toward a greener, more efficient future for maritime travel.