Applications

Norwegian Subsea Motion Reference Units (MRUs) can be used in a variety of marine, subsea and offshore energy applications. Explore some of the applications from the menu below

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Motion Reference Units for Hydrography

Sonar Motion Compensation

Accurate measurements of roll, pitch, and heave are crucial for achieving optimal results when compensating sonar systems for vessel motion, without relying on GNSS or RTK.

Motion Reference Units for Marine operations

Active Heave Compensation

Accurate measurement of vertical motion at the crane tip or winch is crucial for the operation of Active Heave Compensated (AHC) cranes and winches.

Motion Compensated Gangways

Accurate measurements of all 6 degrees of freedom are essential for the automatic motion control of gangways.

Dynamic Positioning

Dynamic positioning (DP) of vessels necessitates roll and pitch compensation of the GNSS antenna to ensure accurate positioning of the ship's control point.

Ship Motion Monitoring

Precise motion measurements are essential for vessel digitalisation, supporting fuel optimisation, route planning, cargo safety and structural health.

Wave Radar

Accurate heave measurements play a vital role in compensating for Wave Radar measurements when installed on ships or other floating vessels.

Helideck Monitoring

Accurate measurement of roll, pitch, and heave motions is crucial for assessing the safety of helidecks during helicopter landing and take-off operations.

Wind Lidar Buoys

Metocean buoys, lidar buoys, and other instrument/sensor carrying buoys, need reliable motion measurements to motion compensate pay load sensors, or to collect motion data for post processing.

Stabilizing Fins

Stabilizing fin and roll damping systems rely on motion sensors to accurately measure the roll motions of a ship.

Offshore Fish Farms

Offshore fish farming presents unique challenges, requiring continuous remote monitoring of all onboard systems, including roll, pitch, and heave motions.

Sonar Motion Compensation

Accurate measurements of roll, pitch, and heave are crucial for achieving optimal results when compensating sonar systems for vessel motion, without relying on GNSS or RTK.

Motion Reference Units for Subsea

Sonar Motion Compensation

Accurate measurements of roll, pitch, and heave are crucial for achieving optimal results when compensating sonar systems for vessel motion, without relying on GNSS or RTK.

Riser Monitoring

The NORSUB Subsea MRU is specifically designed to provide highly accurate measurements of roll, pitch (inclination), and lateral motions in risers.

Subsea Surveys

Subsea surveys often demand precise tilt measurements (roll and pitch) for various purposes, such as installation tasks or continuous monitoring of tilt changes and deflections in subsea structures.

ROV/AUV

Reliable motion sensors are vital components in the navigation system and motion compensation of payload sensors for ROVs and AUVs.

Motion Reference Units for Wind energy

Floating Wind Base Motion Monitoring

Monitoring the movements and structural integrity of floating wind foundations, including both the base and turbine, along with the anchoring system, is crucial.

Wind Lidar Buoys

Metocean buoys, lidar buoys, and other instrument/sensor carrying buoys, need reliable motion measurements to motion compensate pay load sensors, or to collect motion data for post processing.

Floating Wind Turbine Control

For floating offshore wind turbines, precise measurement of wind mast roll and pitch motion caused by waves is crucial.

Wind Turbines

Accurate and precise motion monitoring is crucial for wind turbine towers to ensure structural integrity and optimise performance.

MRUs designed for your needs

Norwegian Subsea produces industry-leading Motion Reference Units (MRUs) for subsea, marine, and land applications. Our MRUs are robust and affordable, and offer high-accuracy performance, along with a plug-and-play interface.

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Trusted by industry leaders

Over 1400 Norwegian Subsea Motion Reference Units are in operation world-wide on over 700 vessels, floating and subsea structures.

Some selected customer references.

Where our MRUs are used

What our customers say

"We have tried similar MRUs and Norwegian Subsea was the clear choice, not only for the quality of data, but also the ease of integration"

Tuna Sener, Business development manager

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"Installation is easy, and costs are low..."

Johnny Rabben, CEO, ShoreConnection

"The motion compensation industry was overmature with too few players. Norwegian Subsea disrupted that business, bringing the sector several steps ahead."

Jonas Røstad, Chief Commercial Officer, Miros

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"We specifically selected Norwegian Subsea MRUs due to their unmatched combination of accuracy, compact form factor, and ease of integration."

Gabriel Walton, Technical Director, Ultrabeam Hydrographic

Latest case studies

Radac

RADAC integrates Norwegian Subsea MRUs for accurate motion-compensated wave data

Dutch company Radac is committed to delivering the most advanced wave radar systems that focus on the task of providing accurate, localised wave and seastate data. To support the highest levels of accuracy and reliability, Motion Reference Units (MRUs) from Norwegian Subsea are used as standard in its WaveGuide radar systems. This has helped build an enviable reputation for quality in the offshore industry, with Radac’s systems widely recognised for enabling confident decision-making in diverse and dynamic marine environments.

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Light Structures

Making Structural Health Monitoring smarter with Motion Reference Units

As the maritime industry accelerates its journey towards smarter, more efficient digital operations, structural health monitoring systems are playing a central role in operational efficiency, safety and sustainability. These systems increasingly depend on real-time, high-fidelity data from Motion Reference Units (MRUs) to contextualise structural stresses with the vessel’s motion in a given sea state. This is especially important in meeting the evolving requirements of classification society SMART notations from bodies such as the American Bureau of Shipping (ABS) and DNV.

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ShoreConnection International

ShoreConnection ensures safe landing for thousands of helicopters with Norwegian Subsea Motion Reference Units

Helideck Motion Monitoring & Weather Data Systems (HMS) provide real-time motion and environmental data essential for flight planning and for pilots to remain in safe control during take off and landing from moving helidecks. The HMS depends on Motion Reference Units (MRU) installed directly on to the support structure that continuously measure the helideck’s movement. Leading HMS manufacturer ShoreConnection chooses MRUs built by Norwegian Subsea.

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All case studies

Applications

Applications

Jump to applications for

Motion Reference Units for Hydrography

Sonar Motion Compensation

Motion Reference Units for Marine operations

Active Heave Compensation

Motion Compensated Gangways

Dynamic Positioning

Ship Motion Monitoring

Wave Radar

Helideck Monitoring

Wind Lidar Buoys

Stabilizing Fins

Offshore Fish Farms

Sonar Motion Compensation

Motion Reference Units for Subsea

Sonar Motion Compensation

Riser Monitoring

Subsea Surveys

ROV/AUV

Motion Reference Units for Wind energy

Floating Wind Base Motion Monitoring

Wind Lidar Buoys

Floating Wind Turbine Control

Wind Turbines

MRUs designed for your needs

Trusted by industry leaders

What our customers say

Latest case studies

RADAC integrates Norwegian Subsea MRUs for accurate motion-compensated wave data

Making Structural Health Monitoring smarter with Motion Reference Units

ShoreConnection ensures safe landing for thousands of helicopters with Norwegian Subsea Motion Reference Units

Contact us

MRUs designed for your needs

Trusted by industry leaders

What our customers say

Latest case studies

RADAC integrates Norwegian Subsea MRUs for accurate motion-compensated wave data

Making Structural Health Monitoring smarter with Motion Reference Units

ShoreConnection ensures safe landing for thousands of helicopters with Norwegian Subsea Motion Reference Units

Contact us