High-performance hull-mounted sonar for naval ASW operations

The M670 HMS from GeoSpectrum Technologies is a compact yet advanced hull-mounted sonar system engineered for robust undersea surveillance across both deep ocean and littoral environments. Offering simultaneous active and passive sonar capabilities, it provides real-time detection, classification, tracking, and localization of submarines, torpedoes, and mid-water threats.

The system leverages the powerful RecView sonar processor, which supports user-configurable waveforms and integrates seamlessly with external ASW platforms like towed arrays and sonobuoy processors. Built for high performance and versatility, the M670 HMS combines a 40-stave passive receive array with an eight-element active transmit array capable of independent vertical beam steering and full 360-degree coverage.

Designed to eliminate the complexities of deployable systems, the M670 HMS remains hull-mounted for continuous readiness and minimal operator workload. It supports both standalone operation and integration with combat management systems (CMS), enabling flexible deployment in new and retrofit naval platforms.

Operators benefit from intuitive interfaces, built-in data analysis tools, and customizable components, including transducer assemblies and dome structures. With interoperability options ranging from underwater communication and decoy systems to onboard trainers and environmental data systems, the M670 HMS enables full-spectrum ASW and torpedo defense for global naval operations.

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