Commercial
Fishing Sonar

WESMAR fishing sonar solves the tough challenge of seeing fish close to the surface and close to the bottom.

Hull-Mounted Fishing Sonar

Single & Dual-Beam Sonar Single Beam Searchlight Sonar

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HD860 Single & Dual-Beam Sonar

High-resolution searchlight sonar with stabilized transducers available in multiple soundome sizes and frequencies

HD860 Hull-Mounted Fishing Sonar

Unbeatable Bottom Differentiation

WESMAR's HD860 solves the tough challenge of fish detection close to the surface, mid-water, and close to the bottom. The stabilized transducer allows you to stay on the fish and improve your catch even in rough seas.

Active Stabilization

On the HD860, the stabilization gyro is in the soundome, so when the transducer moves, the gyro senses that movement and corrections are made in the exact direction the transducer is pointing, keeping the sound beam on target. The WESMAR gyro runs 100% of the time. Other sonars have the gyro mounted on a bulkhead, making the stabilization less accurate.

Digital Link

Long cable runs are always subject to noise and decreased sonar performance. WESMAR's digital link between the sonar electronics (near the transducer) and the computer console in the wheelhouse operate noise-free for maximum sonar performance.

Searchlight Advantage

No sonar has better directivity than WESMAR engineered transducers. The entire transducer surface area points in the direction of the fish in a sharp narrow beam. Dispersed fish and hard-to-mark fish are detected clutter-free.

Stabilized Down Sounder Mode

In rough seas, the HD860 in the down sounder mode will keep the sound beam where it should be: straight down. Fishing in ice? Raise the transducer inside the sea chest out of harms way, and the sonar keeps running. It can be locked down for a reliable stabilized picture with zoom.

Available with 6, 8, or 10 inch stabilized soundome

The WESMAR HD860 bottom typing dual beam showing hard bottom reef that could tear up a net. Sonar in Down Sounder Mode A wide sound beam scans hundreds of meters in front of the vessel to identify the composition of the bottom Blue colors = soft/sandy bottom, red and yellow colors = hard bottom Enlarged view of reef and sandy bottom for clearer differentiation Hand controller Sonar Console Sonar Configuration Schematic Searchlight Sonar / Forward Looker Downsounder Sonar
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HD860 6 Inch Diameter Dome
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Model Frequency Beam Stabilization Hoist Type
HD860-160-6 160KHz Single Active 12 VDC ELECTRIC
HD860-160-6 160KHz Single Active 24VDC ELECTRIC
HD860 8 Inch Diameter Dome
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Model Frequency Beam Stabilization Hoist Type
HD860-60-8 60KHz Dual Active 12 VDC Electric
HD860-60-8 60KHz Single Active 24 VDC Electric
HD860-60-8 60KHz Dual Active 110VAC Hydraulic
HD860-60-8 60KHz Dual Active 220 VAC Hydraulic
HD860-110-8 110KHz Dual Active 12 VDC Electric
HD860-110-8 110KHz Dual Active 24 VDC Electric
HD860-110-8 110KHz Dual Active 110 VAC Hydraulic
HD860-110-8 110KHz Dual Active 220VAC Hydraulic
HD860 10 Inch Diameter Dome
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Model Frequency Beam Stabilization Hoist Type
HD860-85-10 85KHz Dual Active 110 VAC Hydraulic
HD860-85-10 85KHz Dual Active 220 VAC Hydraulic
"Fishing herring with the 110 kHz lets us see a much greater distance. We used to see out to 600 feet - now we can see out 1100 feet, probably farther."— Captain Harold Haynes, Alaska
"We did not anticipate using the sonar on crab, my captain tilts the angle down to get an extra view of the bottom— and it’s pretty accurate!"— George Deuber,
Owner of Deuber Pacific Fisheries

SS590 Single Beam Searchlight Sonar

SS590 Single Beam Searchlight Sonar

The SS590 is six inch, 160 kHz searchlight sonar for commercial fishing. It is especially valuable for purse seining, but also highly effective for all sonar applications, including sport fishing. Fishermen like the quick, hands-on control panel that keeps them on the fish. No sonar transducer offers better direction control. One hundred percent of its surface area focuses a sharp narrow beam, making dispersed fish and hard-to-mark fish detection clutter-free.

Easy to Use and Operate with Single Beam, Gravity-Stabilized Searchlight Sonar

Powerful detection capability and digital communications without cable loss or electrical interference enhances performance of this economically-priced sonar. Bright, sharp target colors for detecting dispersed fish is a big plus.

Searchlight sector scanning sonar showing fish off starboard bow Downsounder Mode Navigating channel Sector scanning Control Unit Sector scanning mode Navigating channel Downsounder Mode
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Download our Hull-Mounted Sonar product sheet   Download PDF

SS590 6" Diameter Dome
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Model Frequency Beam Stabilization Hoist Type
SS590-160-6 160KHz Single Gravity 12 VDC ELECTRIC
SS590-160-6 160KHz Single Gravity 24VDC ELECTRIC

Hull Mounted Sonar Stories
Jul 23, 2014
Top West Coast Whiting Boat Endorses WESMAR Hull Sonar
Veteran captain catches 2500 tons in 17 days making the F/V Muir Milach the top boat for its fishing period. read full story
Mar 29, 2017
HD860 Sonar Popular with Veteran Bering Sea Captain
“This sonar is the moon and the stars compared to what so many are using. Weak targets are detectable...” read full story

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