NORBIT WINGHEAD i77h: Ultra-High-Resolution Multibeam Sonar

The NORBIT WINGHEAD i77h multibeam sonar delivers precise bathymetric surveys for pipeline inspections, coastal mapping, and USV operations worldwide, enabling reliable underwater data in challenging environments.

NORBIT WINGHEAD i77h is a compact, ultra-high-resolution multibeam sonar system designed for detailed underwater mapping and inspection tasks. This curved array sonar excels in bathymetric surveys, providing exceptional data quality for applications ranging from shallow water mapping to infrastructure inspections.

Manufactured by NORBIT Subsea, a division of the Norwegian technology company NORBIT, the WINGHEAD i77h stands out for its lightweight and portable design. This makes it ideal for deployment on uncrewed surface vehicles (USVs), small vessels, or even handheld operations, broadening its utility in diverse survey scenarios.

What is the NORBIT WINGHEAD i77h?

The WINGHEAD i77h features a true 1024-beam beamformer, delivering 0.5 × 0.9-degree beam width for ultra-high-resolution imaging. This configuration captures fine details across wide swaths, essential for accurate depth measurements and object detection underwater.

Built on a modern analogue and digital platform, it incorporates advanced signal processing for roll-stabilized bathymetry, high-quality imagery, and backscatter outputs. Integrated GNSS/INS technology ensures precise positioning, while real-time sound velocity measurement enhances depth accuracy in varying water conditions.

Its cylindrical curved array design represents a pioneering approach in multibeam sonar technology, optimizing performance for high-resolution surveys without compromising on coverage.

Key Technical Features and Capabilities

The system's acoustic robustness allows reliable operation in noisy or challenging acoustic environments, a critical factor for industrial surveys. A dedicated pipeline mode fine-tunes the sonar for inspecting underwater pipelines and cables, optimizing beam patterns for elongated targets.

Compact dimensions and low weight facilitate rapid mobilization. Operators can deploy the unit quickly for time-sensitive projects, such as emergency infrastructure assessments or routine maintenance dives.

Resolution and Beam Performance

With its narrow beam width, the WINGHEAD i77h achieves sub-centimeter level resolution in ideal conditions, making it suitable for detecting small features like seabed anomalies or structural defects.

Positioning and Environmental Adaptability

GNSS/INS integration provides centimeter-level positioning accuracy, crucial for georeferenced survey data. Real-time sound velocity profiling corrects for water column variations, ensuring consistent results across stratified waters.

Primary Use Cases in Global Markets

In shallow water bathymetry, the WINGHEAD i77h maps riverbeds, estuaries, ponds, harbors, and lakes with high fidelity. These surveys support dredging operations, navigation safety, and environmental monitoring worldwide.

Pipeline and cable route inspections represent a core application. The dedicated mode identifies corrosion, free spans, or encroachments along subsea infrastructure, vital for oil & gas, telecommunications, and renewable energy sectors.

Structural inspections of quay walls, bridges, and piers benefit from its high-resolution imagery, enabling non-destructive evaluation of concrete degradation or marine growth.

Coastal surveys aid erosion studies, habitat mapping, and shoreline management, while USV and UUV compatibility extends reach to remote or hazardous areas.

Industrial Relevance and Commercial Importance

The global hydrographic survey market relies on systems like the WINGHEAD i77h to meet rising demands for offshore energy development, port expansions, and coastal resilience projects. As uncrewed vehicles proliferate, compact sonars gain traction for cost-effective, scalable operations.

In the renewables sector, precise seabed mapping supports offshore wind farm site selection and cable laying. Pipeline operators worldwide use such tools for regulatory compliance and risk mitigation, underscoring the system's role in supply chain integrity.

Competition includes larger multibeam systems from Kongsberg, Teledyne RESON, and R2Sonic, but the i77h differentiates through its balance of resolution, portability, and affordability for mid-sized projects.

Explore NORBIT WINGHEAD i77h in action: Check YouTube for survey demos and LinkedIn for industry case studies on subsea tech.

Deployment and Operational Advantages

Rapid setup minimizes downtime, appealing to survey firms handling multiple contracts. The system's outputs integrate seamlessly with popular processing software like QPS Qimera or EIVA NavLab, streamlining workflows.

For USV operations, its low power draw and small footprint enable extended missions without heavy support vessels, reducing operational costs in remote regions like the Arctic or Pacific islands.

Challenges in Underwater Surveying Addressed

Traditional sonars struggle with roll motion or poor acoustics; the i77h's stabilization and robustness mitigate these, delivering consistent data in real-world conditions.

Market Dynamics and Adoption Trends

Demand for high-resolution sonar grows with global infrastructure investments. Port authorities in Asia, Europe, and the Americas prioritize accurate bathymetry for trade efficiency. Offshore oil majors and wind developers seek reliable inspection tools amid energy transitions.

Regulatory frameworks like IMO standards for navigation charts drive adoption of advanced sonars. Supply chains for sonar components emphasize durable transducers and electronics, with NORBIT leveraging Norwegian precision engineering.

In construction surveys, the i77h supports pre- and post-dredge verification, ensuring projects meet specifications and budgets internationally.

Why the WINGHEAD i77h Matters for Industry

For marine contractors, it translates to higher data confidence, fewer re-surveys, and competitive bids. Environmental agencies value its role in baseline mapping for protected areas, balancing development with conservation.

In B2B contexts, leasing models expand access to SMEs, democratizing high-end survey capabilities. Global availability through NORBIT's network ensures timely support across continents.

Company Background and Product Ecosystem

NORBIT Subsea develops advanced sonar solutions as part of NORBIT ASA (ISIN: NO0010836905), a technology provider listed on the Oslo Stock Exchange. The WINGHEAD series anchors their portfolio in subsea sensing.

Disclaimer: Not investment advice. Stocks are volatile financial instruments.

Updated: April 08, 2026