Canadian Navy To Arm River-Class Destroyers With Long-Range Submarine-Detecting Sonar
1 June 2026

Canada's future River-class destroyers will get new Sonar 2087 towed array sonar systems, which can detect and track quiet submarines over long distances.
The Royal Canadian Navy is set to significantly bolster its anti-submarine warfare capabilities by equipping its future River-class destroyers with the advanced Sonar 2087 towed array system. This cutting-edge technology, designed to detect and track ultra-quiet submarines across vast maritime distances, represents a major technological leap for the Canadian fleet. As global naval powers modernize their assets, the integration of these long-range detection systems ensures that the River-class vessels remain formidable platforms for maintaining regional maritime security and surveillance.
From an operational standpoint, the integration of high-end sonar suites like the Sonar 2087 must align with strict international naval standards and classification society requirements for combatant vessels. While merchant ships adhere to SOLAS Chapter V regarding navigation safety and equipment carriage, naval destroyers operate under specialized defense protocols that mirror the rigorous maintenance standards found in the ISM Code. Compliance departments must ensure that these sophisticated sensor arrays undergo regular calibration and performance testing, adhering to the stringent technical specifications mandated by the Canadian Department of National Defence to ensure operational readiness.
For navigating officers and deck officers, the deployment of this long-range sonar technology necessitates a deeper understanding of acoustic sensor integration and data interpretation. These professionals must familiarize themselves with the operational limitations and environmental factors that influence towed array performance. Navigating officers will need to coordinate closely with sonar technicians to ensure that vessel maneuvers do not interfere with the deployment or retrieval of the array, ensuring optimal detection capabilities during critical naval missions and tactical exercises.
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