SEAIR SOLUTIONS
56100 LORIENT
SEAir is a marine engineering and integrator firm that develops innovative maritime platforms ranging from 4 to 20 meters. By utilizing cutting-edge hydrofoil technology, SEAir enables high-performance security and defense operations for professional and military operators.
Our USVs and vessels – SEAir Platforms (SP) – are faster, steadier, stealthier, and more resilient thanks to our retractable servo-controlled foils. Designed around a robust digital core, the carrying of advanced information and action capabilities across the different environments and fields of aeromaritime action allows for great versatility to fulfill numerous operational tasks.
Faster, Further, Steadier, these major competitive advantages ensure that SEAir’s platforms deliver maximum persistence, survivability, and operational efficiency even in the most contested and hostile environments.
SEAir designs and integrates multi-mission naval solutions, both manned or unmanned.
Thanks to an in-house engineering department, SEAir manages naval architecture, hydrodynamic simulation, CFD/FEA calculation, mechanical design, mechatronic, unmanned systems integration, prototyping and sea trials. This end-to-end expertise allows the company to deliver bespoke solution tailored to any specific naval requirement.
The SP products (SEAir Platforms) rely on common components to guarantee reliability and minimize maintenance costs
The platforms are configured according to mission’s requirements: ISR, Denial of Access, Escort & Protection, Electronic Warfare, Surface or Anti-Submarine Warfare, Mother ship.
Designed for offshore operations, SEAir platforms are robust as demonstrated during NATO or DGA exercises, with Thales or MBDA.
SEAir leads the development of the concept up to the operational platform, ensures the integration of the systems and sea trials.
The company has already conducted engineering studies on bespoke foiling vessels up to 40 meters. Our clients are: Ariane Groupe, BAE, Bourbon, Jifmar, MBDA, Naval Group, Piriou, THALES.
The SP90 is a versatile, multi-mission 9m next-generation USV, with increased operational capabilities for port and maritime protection and naval operations from frigates or OPVs.
The USV capitalizes on several years of experience gained with the FT80 hydrofoil platform to the dronised version and testing in real-world conditions, particularly during campaigns with the DGA, NATO exercises (REPMUS 2025, DYNAMIC MANTA 2026) or long-term crossings (Corsica/Toulon; Channel).
Taking up the differentiating nautical contributions of foils, developed around a digital hub, propulsion and the native integration of sensors and effectors specific to offensive or defensive naval actions, the SP90 pushes the operational limits of 9 m range platforms.
With a speed of more than 40 knots, 200 NM of autonomy and a capacity for use up to sea state 4, it combines speed, stability, agility, stealth and adaptability for demanding autonomous defence and security actions on the high seas as well as on approaches.
The SP90 meets the needs of combat navies, state actors in action at sea (Coast Guard, police services) or private offshore companies. Embedded on frigates and amphibious vessels; the SP90 can carry out a range of missions, including anti-surface and anti-submarine warfare, escort & protection, or access denial.
This 12m USV addresses the growing information and multi-domain action needs of a naval and maritime defence force in a complex environment.
Adapted to the rafts of NATO amphibious ships (PHA) or support ships (BSAOM and BSAM supply ships), capable of being refuelled at sea, it is configurable with sensors and effectors providing it with 1st rank capabilities for Surface Warfare, Sea to Land actions, Anti-Submarine Warfare and Electronic Warfare.
With a speed of over 40 knots, more than 400 NM of range, a range of use up to sea state 6, hybrid propulsion, advanced degrees of mission autonomy by on-board AI and a focused design expected military ab initio, it combines speed, stability, agility and stealth and electronic discretion.
Its performance makes it both a “patrol boat” for a long-distance forward presence in an area or in support of a naval force in transit, and a “fighter” capable of positioning itself at high speed to implement sensors or effectors in useful operational time, “raider” for “run-fire-run” action at sea or land.
The SP120 is the result of the EDF project “ARROW” led by SEAir, under the aegis of the European Defence Agency.
The SP 120 is intended to meet the needs of combat navies, other state actors in the Actions at Sea and private offshore companies.
This 20m platform on hydrofoils, deployable from a NATO standard amphibious ship raft, was designed for special naval operations over long distances (16 PAX + 1T payload).
It can be configured as a USV to address the information and action requirements of a naval forces and maritime defence force in a complex environment in the various areas of warfare: naval combat at sea, strikes sea to land, undersea warfare and seabed control, ISR and warfare in the electromagnetic spectrum.
The SP200 stems from the EDIDP project “TRANSFLYTOR” led by SEAir, in partnership with Denmark and Spain, as well as from studies commissioned by major defence weapon-system primes.
The USV version builds on SEAir’s advanced know-how acquired through the SP90 and SP120.
With an established speed of more than 40 knots, a range of over 800 NM and operability up to sea state 6, it combines speed, stability, stealth, and naval combat payloads.
Its seakeeping performance makes it both a « patrol vessel », providing sustained forward presence in a given area or in support of a naval force in transit, and a « hunter », capable of repositioning at high speed to deploy a sensor or effector within operationally useful time and a « raider» for “run-fire-run” action at sea or land.
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Concepteur, design, ingénierie, réglementation
Équipements embarqués – couche basse
Plateformes et vecteurs physiques
SEAir is a designer and integrator of multi-domain and multi-mission USVs, from 4 to 20m for increased Defense and Security actions.
Our SP – “SEAir platforms” are faster, more stable, stealthier and more persistent thanks to the retractable and servo-controlled hydrofoils. The design centred around a digital hub and the carrying of advanced information and action capabilities allow for great versatility.
Remotely operated or autonomous, our USVs are modular and interoperable, allowing the integration of all sensors, effectors and payloads.
These major differentiators offer persistence, survivability and mission efficiency.
SEAir offers USVs equipped with retractable and servo hydrofoils, offering unparalleled stability capacity, a 30% increase in speed and longer elongation thanks to the 30% to 50% fuel economy.
Reusing the same components on our USVs, our SEAClone offer allows to transform your ships in unmanned vessels.
SP40
The SP40 is a fast, agile, and stealthy 4-metre next-generation USV, designed for special defence and security operations in complex environments.
Built from standard, industry-proven materials and capitalising on SEAir’s expertise in drone conversion and the integration of military payloads with qualified partners, the SP40 combines enhanced operational performance with a reduced cost for a USV in this category.
Pending evaluation in France, the SP40 is natively ultra-mobile for discreet, rapid deployment from shore or at sea. Stealthy and enduring, it features advanced levels of autonomy to engage in complex tactical environments.
Configurable on demand, it is primarily intended for special operations, naval combat, and the fight against illicit activities.
SP90
The SP90 is a versatile, multi-mission 9m next-generation USV, with increased operational capabilities for port and maritime protection and naval operations from frigates or OPVs.
The USV capitalizes on several years of experience gained with the FT80 hydrofoil platform to the dronised version and testing in real-world conditions, particularly during campaigns with the DGA, NATO exercises (REPMUS 2025, DYNAMIC MANTA 2026) or long-term crossings (Corsica/Toulon; Channel).
Taking up the differentiating nautical contributions of foils, developed around a digital hub, propulsion and the native integration of sensors and effectors specific to offensive or defensive naval actions, the SP90 pushes the operational limits of 9 m range platforms.
With a speed of more than 40 knots, 200 NM of autonomy and a capacity for use up to sea state 4, it combines speed, stability, agility, stealth and adaptability for demanding autonomous defence and security actions on the high seas as well as on approaches.
The SP90 meets the needs of combat navies, state actors in action at sea (Coast Guard, police services) or private offshore companies. Embedded on frigates and amphibious vessels; the SP90 can carry out a range of missions, including anti-surface and anti-submarine warfare, escort & protection, or access denial.
SP120
This 12m USV addresses the growing information and multi-domain action needs of a naval and maritime defence force in a complex environment.
Adapted to the rafts of NATO amphibious ships (PHA) or support ships (BSAOM and BSAM supply ships), capable of being refuelled at sea, it is configurable with sensors and effectors providing it with 1st rank capabilities for Surface Warfare, Sea to Land actions, Anti-Submarine Warfare and Electronic Warfare.
With a speed of over 40 knots, more than 400 NM of range, a range of use up to sea state 6, hybrid propulsion, advanced degrees of mission autonomy by on-board AI and a focused design expected military ab initio, it combines speed, stability, agility and stealth and electronic discretion.
Its performance makes it both a “patrol boat” for a long-distance forward presence in an area or in support of a naval force in transit, and a “fighter” capable of positioning itself at high speed to implement sensors or effectors in useful operational time, “raider” for “run-fire-run” action at sea or land.
The SP120 is the result of the EDF project “ARROW” led by SEAir, under the aegis of the European Defence Agency.
The SP 120 is intended to meet the needs of combat navies, other state actors in the Actions at Sea and private offshore companies.
SP200
This 20m platform on hydrofoils, deployable from a NATO standard amphibious ship raft, was designed for special naval operations over long distances (16 PAX + 1T payload).
It can be configured as a USV to address the information and action requirements of a naval forces and maritime defence force in a complex environment in the various areas of warfare: naval combat at sea, strikes sea to land, undersea warfare and seabed control, ISR and warfare in the electromagnetic spectrum.
The SP200 stems from the EDIDP project “TRANSFLYTOR” led by SEAir, in partnership with Denmark and Spain, as well as from studies commissioned by major defence weapon-system primes.
The USV version builds on SEAir’s advanced know-how acquired through the SP90 and SP120.
With an established speed of more than 40 knots, a range of over 800 NM and operability up to sea state 6, it combines speed, stability, stealth, and naval combat payloads.
Its seakeeping performance makes it both a « patrol vessel », providing sustained forward presence in a given area or in support of a naval force in transit, and a « hunter », capable of repositioning at high speed to deploy a sensor or effector within operationally useful time and a « raider» for “run-fire-run” action at sea or land.
SEAClone
SEAclone is the “SEAir Control Link for Operational Navigation & Execution”.
This SEAir on-board module, which provides a control link for remote navigation and operational execution, enables you to transform your vessel into a tele-operated USV.
Drawing on our experience in ‘dronising’ our USVs, we have isolated all the components and lower-level software layers, thereby enabling this system to be installed on any type of vessel to transform it into a USV.
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Lorient / Bretagne / France
DGA, Special Operation Forces, Ariane Group, BAE, Bourbon, MBDA, THALES.
Significant reduction in trauma, noise, wake reduction, ship stabilization, fuel savings are just some of the benefits provided by SEAir retractable and servo-controlled foil systems. They are dedicated to state forces, boat manufacturers or scientific operational, Oil & Gas, drones, passenger transport, etc.
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SEAir specializes in the design, manufacture and integration of retractable and electronically servo-controlled foils, on powerboats of all sizes, whether rigid or semi-rigid hulls. Design projects, prototype production and turnkey boat sales are offered internationally.
Forces Spéciales (ALFUSCO), DGA, Groupe Bénéteau, Sillinger, Zodiac Nautic, Avon, Zodiac Mil Pro