Naiad Dynamics

Naiad Dynamics

Shelton, CT, United States

Naval SystemsDual-use
Subsystem ManufacturerSupplies Naval Forces, Special Forces
Profile last updated: April 30, 2026

About

Naiad Dynamics is a defense subsystem manufacturer based in Shelton, United States working in naval systems.

Naiad Dynamics is a ship motion control company supplying stabilizers, ride control systems, thrusters and hydraulic power systems to commercial ferries, luxury yachts, offshore and crew vessels, and military vessels. Its product range includes fin stabilizers, canards, trim tabs, interceptors, foils, air cushion control systems and water jets. The company states that its systems are used by more than 55 navies and coast guards, and that it supplies replacement parts for NAIAD, HPS, Vosper, MDI and KoopNautic equipment. Services include engineering, simulation, installation, commissioning, upgrades, control system conversions and maintenance. Naiad Dynamics operates a network of sales and service centres and authorised dealers across several regions, and its US subsidiary runs a manufacturing facility in Shelton, Connecticut. Naiad Dynamics is the successor to the Vosper motion control brand.

Location

Shelton, United States

Focus areas

ship stabilizersmotion controlride controlnaval vesselsfin stabilizersmarine thrusters

Languages

EN

Products & capabilities

Defense domains

Naval Systems

Supply-chain role

Subsystem Manufacturer

What they offer

HardwareEngineering ServicesMaintenance & Repair

Markets

Also sells to civilian markets

Products

Dynamic BowFoil

Keel-mounted ride control effector

Flush-mounted bow foil with a trailing-edge flap that controls pitch and trim.

Dynamic SternFoil

Transom-mounted ride control effector

Transom-mounted foil with an active flap and/or pivoting foil for pitch and trim control.

Active Trim Tabs

Transom-mounted motion control device

Transom-mounted flaps that generate lift to control roll and pitch while optimising running attitude.

Active Interceptors

Transom-mounted motion control device

Strike-tolerant blade device that generates lift to control roll and pitch with less power and space than trim tabs.

Stabilizer Fins and Canards

Fin stabilizer

Active fins and canards for roll control underway and at anchor, and for pitch and yaw damping.

Active Spanning/Lifting Foils

Multi-hull motion control foil

Continuously modulated foils providing motion damping and hydrodynamic lift for multi-hull vessels.

Electric Fin Stabilizers

Electric fin stabilizer

Fin stabilizers using AC servo motors in place of hydraulic drive.

Right Angle Thrusters

Marine thruster

Hydraulic or AC electric driven thrusters for commercial, military and yacht applications.

In-Line Hydraulic Thruster

Marine thruster

Compact hydraulic bow and stern thruster available in five sizes and seven power levels.

Water Jet

Marine propulsion system

Compact, lightweight jet propulsion system for planing, displacement and semi-displacement hulls.

Air Cushion Control

Surface effect ship control system

Control of air cushion vents and stern seal pressure to reduce motions on surface effect ships.

End users

Naval ForcesSpecial Forces

Standards, platforms & customers

Platforms & programmes

Norwegian Navy SES shipsJapan Maritime Self-Defense Force vessels

Named customers

US NavyRoyal NavyNorwegian NavyJapan Maritime Self-Defense ForceMitsubishi Heavy Industries

Credentials & affiliations

Certifications

ISO 9001:2015

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