Approval in Principle (AiP):
a key step towards safer and cleaner hydrogen-powered ships
The AiP, a guarantee of trust
For your future carbon-neutral ships
Approval in Principle (AiP) is a validation issued by a maritime classification society confirming that your technological solution complies with safety requirements and can be integrated into modern naval architecture.
For shipyards, shipowners and architects, AiP represents proof of compliance, a sign of technological maturity and a catalyst for all projects using alternative energies, particularly hydrogen.
Why is AiP transforming the way hydrogen-powered ships are designed?
Hydrogen paves the way for zero-emission ships, but it imposes strict requirements: safety, risk management, integration in confined spaces, regulatory compliance (SOLAS, ATEX, NR678).
Thanks to the AiP issued by Bureau Veritas, our under-deck hydrogen system is now recognised as:
- Safe and compatible with BV NR678 rules for hydrogen ships;
- Compact and integrable in confined spaces without impacting operations;
- Suitable for passenger ships according to SOLAS specifications;
- Evaluated to the highest standards using CFD, ERA/QRA analyses and patented components dedicated to maritime use.
What AiP brings to your naval projects:
Accelerate your studies and secure your decisions
The AiP reassures design offices and project teams: the concept has been validated, the framework is clear, and the next steps can be taken more quickly.
Reduce technological risk
By choosing a solution that has already been approved by a classification society, you minimise the uncertainties associated with designing or integrating a hydrogen system.
Offer competitive hydrogen-powered vessels
The AiP enhances your credibility in tenders and enables you to announce certifiable hydrogen architectures right from the design stage.
Technology developed to serve shipyards and shipowners
Kinell has designed a hydrogen system specifically to address the practical challenges encountered in the field:
- installation in confined spaces,
- tested and patented components,
- advanced on-board safety features,
- compatibility with future carbon-free architectures.
With this AiP, we are laying the foundations for a safety standard for hydrogen storage below deck, a decisive step towards the large-scale industrialisation of hydrogen propulsion.
Accelerate your transition to hydrogen with Kinell.
Whether you are a shipyard, shipowner or architect, the AiP obtained paves the way for reliable, safe and ready-to-deploy hydrogen projects.