ECMC Cranes

The game-changer. From harbor operations to offshore lifts, every movement is optimized for maximum efficiency.

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No hydraulics, no compromises – just bullet-proof performance when it matters most.

The ECMC Crane series were born out of a simple idea: to improve the real challenges faced by operators at sea. That's why we designed ECMC Cranes to counteract vessel movements, by using the electric driven boom, slew, telescope to compensate during an offshore lift operation.

The in-house control system ensures that the telescopic crane end stays in the right position, keeping the wire exit steady according to the operational needs and deliver dynamic 3D compensation at the tip.

Electric Controlled

Motion Compensated

Proven Performance

KEY INFORMATION

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SC-series (for Subsea)

Your ultimate subsea solution with motion-compensated offshore functionality.

The SEAONICS ECMC SC-series is a fully electric handling system designed for demanding subsea operations. Built to withstand the harshest offshore environments, it combines robust construction with smart maintenance access. Strong focus on operational versatility and environmental durability through innovative design.

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Specifications:

Active heave compensation for subsea tasks
3D motion compensation for offshore operations
Strategic wheelhouse control position
Robust slewing bearing design
Integrated drag chain solution
Service-optimized construction
Corrosion-resistant materials
Fixed crane pedestal interface
Remote assistance via SeaBrief
Advanced motion compensation

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C-series (for Offshore Wind)

The C-series is perfect for Offshore Wind operations, where precision is key.

Available in three sizes (C25, C30, and C35), it features electric-driven main winches that hoist and lower cargo from a stationary, 3D-compensated crane tip.

The C-series is versatile, with applications including lifts between vessel and quay side in sheltered waters (Harbor lift), lifts on vessels' decks (internal lift), ship to TP platform operations (offshore lift), and optional ship to ship operations (offshore lift).

it boasts a space-saving boom rest design and offers bridge and remote radio control for enhanced operational flexibility.

Specifications:

ECMC C25: 5T@25M / 7T@22M in 3D Motion Compensation Mode | 10T@20M in Harbor Mode (2-fall) | 15T@16M in Harbor Mode (2-fall)
ECMC C30: 15T@30M in 3D Motion Compensation Mode | 15T@30M in Harbor Mode (1 fall)
ECMC C35: 15T@35M, 3D Motion Compensated | 15T@35M in Harbor Mode (1 fall)

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Stay hydrated on the go with our eco-friendly water bottle, made from sustainable materials and designed to keep your drinks cold or hot.

Stay connected and track your fitness goals with our stylish smartwatch, featuring a sleek design and advanced health monitoring.

Experience immersive sound with our premium quality headphones, designed for audiophiles and casual listeners alike.

We were intrigued by the idea of a remote-operated, fully-electric crane with a small deck footprint and exceptional range. We worked closely with SEAONICS during the development of their ECMC Crane, and the collaboration has been excellent. The ECMC Crane increases the operational window and supports REM Offshore's drive towards greener operations.

Ronny Pål Kvalsvik

Chief Commercial Officer, Rem Offshore

Ronny Pål Kvalsvik

Chief Commercial Officer, Rem Offshore

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December 10, 2025

Swing Out LARS – Expanding Options and Flexibility

Since 2013, SEAONICS has delivered trusted Launch and Recovery Systems (LARS) for reliable ROV and subsea operations. Our system remains a proven and solid choice for many customers. With the Swing Out LARS, we are adding a new innovative solution complementing our existing portfolio, giving operators more ways to adapt ROV handling systems to their specific needs.

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SEAONICS selected to deliver Gangway and 3D Crane for new DFO CSOV

Seaonics has been selected to supply a 30-meter ECMC Gangway and 3D Motion Compensated Crane to Dong Fang Offshore (DFO). The systems will be installed on a Commissioning Service Operation Vessel (CSOV), hull number NB998, scheduled for delivery from Vard Vung Tau in Q1 2028.

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June 12, 2025