Farsounder
Founded 2001 · 17 employees on LinkedIn · 1 known investors
FarSounder develops 3D forward-looking navigation sonar that detects in-water obstacles and shallows for safe maritime navigation. Its products serve a range of vessels including yachts, cruise ships, research and survey ships, defense and government vessels, and commercial fishing boats.
Also known as FarSounder · FarSounder, Inc.
Investors · 1
Company profile
researched Aug 2026FarSounder, Inc. develops 3D forward-looking sonar (3D FLS) systems for maritime navigation. Its Argos product line uses phased array transducers and patented single-ping 3D processing to generate a real-time three-dimensional image of the water column and seafloor ahead of a vessel. Three models are offered, differentiated by range, field of view and maximum operating speed: a system with detection to 350 meters at up to 18 knots, one to 500 meters at up to 20 knots, and one to 1000 meters (about half a nautical mile) at up to 25 knots, with wider 120-degree coverage available at shorter ranges. Sonar returns are presented in a 3D display and overlaid on nautical charts, and depth-based color mapping is used to help navigators distinguish the seafloor from hazards suspended in the water column.
Beyond real-time imaging, the company's Local History Mapping capability builds a 3D depth map of areas a vessel has recently transited, mapping a wider swath than a conventional echosounder because of the sonar's wide horizontal field of view. Through a "Sharing Across the Fleet" program, users may opt in to anonymously contribute their Local History Map data, receiving the aggregated fleet map in return; contributed depth measurements are also submitted anonymously to the Seabed 2030 ocean mapping effort. The software, including the browser-based SonaSoft LT interface, integrates with third-party bridge systems, including Anschütz SYNAPSIS (W)ECDIS NX and Tocaro Blue's ProteusCore platform.
Systems are installed on both new builds and refits — the company states roughly half of customer installations are refits — using a fixed fairing design with an underwater wet-mateable connector that allows diver installation or removal; some customers use a retractable hoist mechanism. FarSounder publishes an installation design guide and drawing packages, offers complimentary review of installation drawings, and provides advance delivery of sonar connection cables for qualified new builds through its Sonar Cable Advance Program. Legacy FS-3DT units share the Argos 500 mechanical footprint and transducer array and can be upgraded.
Founding story
FarSounder has been dedicated to developing Argos 3D Forward Looking Sonar technology since 2001. Matthew Zimmerman is a co-founder and serves as chief executive officer.
Business model
FarSounder sells navigation sonar hardware (transducer modules and bridge computers) with accompanying software for vessel operators, supported by installation engineering services, drawing review, cable advance delivery for new builds, and upgrade paths from legacy products. Software capabilities are extended through integrations with third-party bridge and ECDIS systems.
Traction
More than 80 dealers in more than 35 countries; installations documented across refits and new builds including Nordhavn expedition yachts, research vessels, ice-classed hulls and a navy hydrographic vessel. Argos sonars are described as being installed on a growing number of modern landing craft and unmanned surface vessels. The company reports more than 20 years of sonar development and a sonar recording dataset exceeding 80 terabytes.
Latest developments
In January 2026 FarSounder received Manufacturing Innovation Voucher funding from the Rhode Island Commerce Corporation to develop a fully integrated software prototype for machine-learning-based automatic target recognition in its end-user sonar software, building on an existing proof of concept. Recent product work includes integrations with Anschütz's SYNAPSIS (W)ECDIS NX and Tocaro Blue's ProteusCore platform via SonaSoft LT, and expanded focus on amphibious, unmanned and polar defense applications.
▸Full profile — market position, technology, go-to-market, geography, history
Market position
The company positions the Argos series as the only sonar products able to generate a true 3-dimensional image ahead of a vessel in real time at navigationally significant ranges, contrasting its approach with off-the-shelf 2D forward-looking sonars, collision avoidance sonar systems and obstacle avoidance sonars from other manufacturers.
Technology
The Argos systems use phased array transducers that transmit a wide beam and reconstruct the full 3D image from a single ping, giving a fast refresh rate. Patented Target Model 3D processing maps color to depth rather than signal strength, letting operators distinguish the seafloor from in-water obstacles, and allows roll and pitch compensation to be handled in software with an inexpensive roll/pitch sensor rather than additional hardware. The company states the single-ping 3D approach mitigates multipath interference, shallow-water limitations, surface effects and ship motion that constrain 2D forward-looking sonar. Recent development work applies machine learning to sonar data: FarSounder has demonstrated a convolutional neural network that processes raw sonar data in real time with performance comparable to its classical algorithms, drawing on a proprietary dataset of more than 80 terabytes of real-world sonar recordings, and is developing automatic target recognition for seafloor features, wake bubbles, engine noise interference, whales, ice, rocks and coral.
Go-to-market
FarSounder reaches customers through a dealer network, citing more than 80 dealers across more than 35 countries, and works directly with naval architects, shipyards and owners' teams during new build and refit projects. Integrations with established bridge-system vendors extend distribution of its data into existing navigation software.
Yachts and expedition superyachts (from roughly 18m sport fishing vessels upward), cruise ships, research and survey vessels, defense and government vessels including navy hydrographic ships, landing craft and unmanned surface vessels, and fisheries and small commercial vessels. Ice-classed explorers and vessels operating in polar and poorly charted waters are a recurring use case, and pilot-assist systems for high-speed passenger vessels are cited as an emerging application.
Geography
Headquartered in Warwick, Rhode Island, United States, with a dealer presence in more than 35 countries and installed systems reported in use in regions including Greenland, the Arabian Gulf, the Caribbean, Central America and the Volga River.
History
Since 2001 the company has developed 3D forward-looking sonar technology, with an early yacht installation referenced aboard a 162m yacht in 2006. Its legacy FS-3DT product was succeeded by the Argos series, which shares the same transducer array and pressure case in the Argos 500. In 2017-2019 FarSounder participated in a Rhode Island Science and Technology Advisory Council-funded collaboration with the University of Rhode Island and the Rhode Island Department of Environmental Management on using its 3D sonar to assess and classify pelagic fish. In January 2026 it received a Rhode Island Commerce Corporation Manufacturing Innovation Voucher for AI-based sonar research.
Compiled by commissioned research from 8 cited public sources — announcements, filings, and press listed under research sources below.
Key figures
latest reportedCompany-reported or press-reported figures, each dated to when it was claimed — not independently audited.
Non-dilutive funding · 4 SBIR/STTR awards
Federal grants — no equity taken| Agency | Phase | Year | Amount |
|---|---|---|---|
| National Oceanic and Atmospheric Administration (NOAA)National Oceanic and Atmospheric Administration | Phase I | 2023 | $175K |
| U.S. NavyNavy | Phase I | 2010 | $70K |
| Department of Homeland Security | Phase II | 2006 | $823.1K |
| Department of Homeland Security | Phase I | 2005 | $99.9K |
Source: SBIR.gov award data (U.S. Small Business Administration). SBIR/STTR awards are competitive federal R&D grants and contracts — non-dilutive capital alongside any venture rounds above.
Timeline · 4
launches, deals, and filingsFarSounder secured Manufacturing Innovation Voucher funding from the Rhode Island Commerce Corporation to support research and development of artificial-intelligence-based sonar capabilities, specifically integrating machine-learning automatic target recognition into its end-user sonar software. The project targets automated classification of seafloor features, wake bubbles, engine noise interference and in-water objects such as whales, ice, rocks and coral. Amount not disclosed.
A collaboration with Anschütz GmbH allows Argos forward-looking sonar data to be displayed within the SYNAPSIS (W/)ECDIS NX electronic chart display and information system application.
FarSounder integrated Tocaro Blue's ProteusCore platform within SonaSoft LT, its browser-based navigation interface, combining AI-enhanced radar perception with Argos 3D forward-looking sonar data.
FarSounder announced a collaborative research project applying its 3D sonar technology to assess pelagic fish species such as Atlantic menhaden and herring, aiming to detect fish in sonar imagery, calculate biomass, classify species and automate the process. Partners were the University of Rhode Island and the Rhode Island Department of Environmental Management, with data collection aboard the URI stern trawler R/V Cap'n Bert. The work was enabled by a Rhode Island Science and Technology Advisory Council (STAC) grant to URI assistant professor Austin Humphries, covering 2017-2019.
Dated company events from announcements, filings, and press; legal rows summarize public dockets and regulator releases.
▸Research sources · 8
primary sources listed
- Farsounderfarsounder.com · web
8 public sources were cited for this profile; the first-party ones are listed here.
Frequently asked questions
- What does Farsounder do?
- FarSounder builds Argos 3D forward-looking navigation sonars that detect in-water obstacles and shallow water ahead of vessels.
- Who are Farsounder's investors?
- Farsounder's investors include Slater Technology Fund.