Introduction

Choosing the right Side Scan Sonar is an important part of every hydrographic survey.

Different models provide different operating frequencies, image quality, survey range, towing depth, and software features. Selecting the right system helps surveyors detect underwater objects more accurately and complete projects efficiently.

What Should You Consider Before Choosing a Side Scan Sonar?

Before selecting a Side Scan Sonar, consider the sonar frequency, imaging resolution, maximum operating depth, survey range, towing speed, software compatibility, ease of deployment, maintenance requirements, and technical support.

Also ensure the system is suitable for your survey type, whether it is harbour inspection, pipeline survey, offshore construction, shipwreck detection, or environmental monitoring.

EdgeTech

EdgeTech is one of the world’s leading manufacturers of Side Scan Sonar systems. Their equipment is widely used in hydrographic surveying, offshore engineering, and underwater search operations because of its excellent image quality and reliability.

Popular Models

• EdgeTech 4205
• EdgeTech 4125
• EdgeTech 4200 Series

Best For

• Hydrographic Surveys
• Shipwreck Detection
• Pipeline Inspection
• Cable Route Surveys
• Offshore Engineering

Klein Marine Systems

Klein Marine Systems has been manufacturing Side Scan Sonars for decades and is well known for producing high-resolution seabed imaging systems.

Popular Models

• Klein 5900
• Klein 4900
• Klein UUV-3500

Best For

• Seabed Mapping
• Harbour Surveys
• Marine Construction
• Search and Recovery

Sonardyne

Sonardyne develops advanced underwater acoustic technologies, including Side Scan Sonar solutions integrated with autonomous and remotely operated platforms.

Popular Models

• Solstice Multi-Aperture Side Scan Sonar

Best For

• AUV Surveys
• ROV Inspections
• Offshore Wind Farms
• Deep Water Projects

DeepVision

DeepVision manufactures compact digital Side Scan Sonar systems that provide high-quality seabed images for professional marine surveys.

Popular Models

• DeepVision DE340D
• DeepVision DE3468D

Best For

• Inland Water Surveys
• Coastal Surveys
• Marine Research
• Harbour Inspection

Imagenex

Imagenex designs compact underwater sonar systems that are widely used for engineering inspections and scientific research.

Popular Models

• YellowFin Side Scan Sonar
• SportScan Series

Best For

• Small Survey Vessels
• River Surveys
• Lake Surveys
• Port Inspections

NORBIT

NORBIT develops compact hydrographic survey equipment with integrated Side Scan Sonar technology for high-resolution seabed imaging.

Popular Models

• NORBIT iWBMS Integrated Side Scan System

Best For

• Bathymetric Surveys
• Coastal Mapping
• Port Surveys
• Marine Infrastructure Inspection

How to Choose the Right Side Scan Sonar

The best Side Scan Sonar depends on your survey requirements.

For shallow-water projects, a compact high-frequency sonar provides excellent image detail.

For offshore surveys, choose a system with longer range, greater operating depth, and strong software integration.

If you need both bathymetry and seabed imagery, consider an integrated system that combines Multibeam Echo Sounder and Side Scan Sonar technology.

Also compare software compatibility, after-sales support, warranty, and training before making your final decision.

Conclusion

A professional Side Scan Sonar is an essential tool for modern hydrographic surveying. Leading manufacturers offer reliable systems for ports, offshore engineering, dredging, marine archaeology, and underwater inspections. Choosing the right model improves image quality, increases survey efficiency, and supports safer marine operations.