Sea Searcher combines hull-mounted sonar and acoustic-transducer engineering for naval underwater sensing. Ultra Maritime describes digital processing and configurable ship integration. Its Canadian manufacturing role is supported by a three-shipset River-class hull-sonar order; that order and the wider product family should be distinguished from completed installation on the future destroyers.
Technical detail
Core features
Digital hull-mounted sonar architecture
Acoustic-transducer design and manufacturing
Three River-class hull-sonar shipsets ordered with Dartmouth manufacturing
Sea Searcher
S2150
Hull-mounted sonar
Acoustic transducers
Underwater awareness
Surface combatants
Use & integration
Recorded applications
Close-range submarine detection and tracking
Ship navigation and underwater situational awareness
Inner-layer anti-submarine warfare and torpedo defence
These describe the reviewed application scope, not confirmed deployments, released requirements or procurement eligibility.
Evidence of maturity
Published product family with a Canadian production order; the inspected sources do not confirm completed River-class shipset acceptance.
Commercial availability
Offered for ship-specific procurement and integration; configuration and acceptance requirements are programme-dependent.
Integration and verification
Readiness
A technology readiness level is not established by the reviewed public sources.
Sea Searcher Hull-Mounted Sonar & Transducers may help teams working on Sovereign defence capability areas by contributing to detection and situational awareness, autonomous and uncrewed systems, and cyber and digital operations.
This is a reviewed public-source assessment. It is not procurement eligibility, endorsement, customer interest, or classified demand.
Original sources 5 linked records
These records support this capability and its published Mission area and Defence need connections. A source count is not a count of independent confirmations.
Ultra Maritime describes Sea Searcher hull-mounted sonar and transducer products for naval underwater sensing, including digital architectures and configurable ship integration.
Supports: Capability · name
Ultra Maritime describes Sea Searcher hull-mounted sonar and transducer products for naval underwater sensing, including digital architectures and configurable ship integration.
Supports: Capability · core features
Ultra Maritime describes Sea Searcher hull-mounted sonar and transducer products for naval underwater sensing, including digital architectures and configurable ship integration.
Supports: Capability · technical tags
Ultra Maritime describes Sea Searcher hull-mounted sonar and transducer products for naval underwater sensing, including digital architectures and configurable ship integration.
Supports: Capability · technical tags
Ultra Maritime describes Sea Searcher hull-mounted sonar and transducer products for naval underwater sensing, including digital architectures and configurable ship integration.
Supports: Capability · summary
Ultra documents the Sea Searcher family as fully digital hull-mounted sonar and acoustic transducer technology for navigation, early threat detection, target identification and tracking.
Supports: Capability · defence applications
Ultra Maritime describes Sea Searcher hull-mounted sonar and transducer products for naval underwater sensing, including digital architectures and configurable ship integration.
Supports: Capability · summary
Ultra Maritime describes Sea Searcher hull-mounted sonar and transducer products for naval underwater sensing, including digital architectures and configurable ship integration.
Supports: Capability · technology readiness level
Ultra Maritime describes Sea Searcher hull-mounted sonar and transducer products for naval underwater sensing, including digital architectures and configurable ship integration.
Supports: Capability · commercial availability
Ultra Maritime describes Sea Searcher hull-mounted sonar and transducer products for naval underwater sensing, including digital architectures and configurable ship integration.
Supports: Capability · capability type
Ultra Maritime describes Sea Searcher hull-mounted sonar and transducer products for naval underwater sensing, including digital architectures and configurable ship integration.
Supports: Capability · technical tags
Ultra Maritime describes Sea Searcher hull-mounted sonar and transducer products for naval underwater sensing, including digital architectures and configurable ship integration.
Supports: Capability · technical tags
Ultra Maritime describes Sea Searcher hull-mounted sonar and transducer products for naval underwater sensing, including digital architectures and configurable ship integration.
Supports: Capability · defence applications
Ultra Maritime describes Sea Searcher hull-mounted sonar and transducer products for naval underwater sensing, including digital architectures and configurable ship integration.
Supports: Capability · technicaldomainslugs
Ultra Maritime describes Sea Searcher hull-mounted sonar and transducer products for naval underwater sensing, including digital architectures and configurable ship integration.
Supports: Capability · technical tags
Ultra Maritime describes Sea Searcher hull-mounted sonar and transducer products for naval underwater sensing, including digital architectures and configurable ship integration.
Supports: Capability · technicaldomainslugs
Ultra Maritime describes Sea Searcher hull-mounted sonar and transducer products for naval underwater sensing, including digital architectures and configurable ship integration.
Supports: Capability · maturity
Ultra Maritime describes Sea Searcher hull-mounted sonar and transducer products for naval underwater sensing, including digital architectures and configurable ship integration.
Supports: Capability · technical tags
Ultra Maritime describes Sea Searcher hull-mounted sonar and transducer products for naval underwater sensing, including digital architectures and configurable ship integration.
Supports: Capability · defence applications
Ultra Maritime describes Sea Searcher hull-mounted sonar and transducer products for naval underwater sensing, including digital architectures and configurable ship integration.
Supports: Mission area · Underwater ISR
Ultra Maritime describes Sea Searcher hull-mounted sonar and transducer products for naval underwater sensing, including digital architectures and configurable ship integration.
Supports: Mission area · Underwater ISR
Ultra Maritime describes Sea Searcher hull-mounted sonar and transducer products for naval underwater sensing, including digital architectures and configurable ship integration.
Supports: Mission area · Underwater ISR
Ultra Maritime describes Sea Searcher hull-mounted sonar and transducer products for naval underwater sensing, including digital architectures and configurable ship integration.
Supports: Mission area · Underwater ISR
Ultra Maritime describes Sea Searcher hull-mounted sonar and transducer products for naval underwater sensing, including digital architectures and configurable ship integration.
Supports: Defence need · Sovereign defence capability areas
Ultra documents the Sea Searcher family as fully digital hull-mounted sonar and acoustic transducer technology for navigation, early threat detection, target identification and tracking.
Ultra Maritime announced a 2022 contract for three Canadian Surface Combatant hull-mounted sonar shipsets at approximately $19.5 million, with Dartmouth manufacturing. The inspected source does not specify currency and does not establish completed delivery.
Supports: Capability · commercial availability
Ultra Maritime announced a 2022 contract for three Canadian Surface Combatant hull-mounted sonar shipsets at approximately $19.5 million, with Dartmouth manufacturing. The inspected source does not specify currency and does not establish completed delivery.
DND identifies full-rate River-class production from April 25, 2025 and planned first delivery in the early 2030s. This buyer context bounds Ultra Maritime's lifecycle announcement as build, trials and acceptance work rather than evidence of a commissioned fleet.
Supports: Capability · maturity
DND identifies full-rate River-class production from April 25, 2025 and planned first delivery in the early 2030s. This buyer context bounds Ultra Maritime's lifecycle announcement as build, trials and acceptance work rather than evidence of a commissioned fleet.
The Royal Canadian Navy lists Ultra hull-mounted and towed sonar within the ship's integrated underwater-warfare system, supporting direct relevance to Underwater ISR.
Supports: Defence need · Sovereign defence capability areas
Canada needs secure strategic autonomy and reliable access to capabilities that are critical to defending its sovereignty and meeting allied commitments, while reducing exposure to foreign supply-chain and intellectual-property dependencies.
Public sources cited · Facts and assessments kept separate · Human review
Ultra Maritime announced a 2022 contract for three Canadian Surface Combatant hull-mounted sonar shipsets at approximately $19.5 million, with Dartmouth manufacturing. The inspected source does not specify currency and does not establish completed delivery.
Supports: Capability · summary
Ultra Maritime announced a 2022 contract for three Canadian Surface Combatant hull-mounted sonar shipsets at approximately $19.5 million, with Dartmouth manufacturing. The inspected source does not specify currency and does not establish completed delivery.
Supports: Capability · summary
DND identifies full-rate River-class production from April 25, 2025 and planned first delivery in the early 2030s. This buyer context bounds Ultra Maritime's lifecycle announcement as build, trials and acceptance work rather than evidence of a commissioned fleet.
Supports: Defence need · Sovereign defence capability areas
Reviewer synthesis of the public end state: Canada can build, sustain or control priority aerospace, ammunition, digital, in-service support, sensor, space, specialized manufacturing, training and uncrewed capabilities through domestic strength, trusted partnerships and sovereign access.
