Bespoke multipurpose CTD winch system for Arctic expedition

cable cable protection cable sheave containerized ctd data acquisition design fibre optic installation and commissioning junction box multiplexer NEXUS ocean science project management slip ring training TrustLink umbilical winch

Challenge

Client objective: A compact and multipurpose winch system for deployment of a CTD sensor in the Arctic Ocean. The solution needed to be weather-resistant, support deep-sea CTD profiling and water sampling, and operate reliably in harsh conditions. It also had to integrate smoothly into an existing expedition setup and accommodate multiple research applications aboard a research vessel operating in the polar oceans.

Segment

Ocean Science

Task

MacArtney was tasked with developing a winch system that would meet strict technical specifications while enhancing operational efficiency during Arctic expeditions.

The system had to ensure dependable performance in remote and demanding environments and comprise:

Containerised system
System flexibility
Operational reliability
Low maintenance
Multipurpose applications for data acquisition

Scope of Supply

The chosen winch solution was based on a standard MERMAC winch system and fitted to the customer's applications and operations in the Arctic.

Customised MERMAC winch
Right-angle level wind
20" container
Slip ring
7,000 m fibre optic cable
TrustLink stress termination
Oil-filled junction box
6,000 m depth-rated, custom-built NEXUS Multiplexer
Compact footprint
Arctic-grade durability
FAT and SAT
Installation and commissioning
Project management

Solution

MacArtney delivered a bespoke CTD winch system featuring a compact footprint, integrated slip ring, and remote control functionality. Designed for durability and ease of use, the system supports reliable data collection in sub-zero temperatures and challenging marine conditions.

MacArtney was selected based on its proven track record in delivering robust, field-ready solutions for harsh marine environments, and its ability to tailor systems to specific operational needs.

Result

The winch system was successfully deployed during an Arctic expedition, enabling consistent and accurate sensor readings. Its compact and multipurpose design helped streamline operations, reduce setup time, and support broader research goals.

The system remains in active operation, continuing to deliver dependable performance and supporting ongoing data collection, such as water column profiling in demanding environments.