COMMENTS

  1. Builder

    A new Sonar costs approximately $45,000 for boat, spars, and galvanized road trailer with brakes. For details, possible special offers or, fleet purchase options, please contact Rondar directly. A premier builder of small sailboats since 1965, Rondar Raceboats became the builder of the International Sonar in 2015. The initial incarnation of ...

  2. Shumway Marine

    The 23' Sonar one-design keelboat is a high-performance racer and also a comfortable daysailor just right for getting the entire family or friends on the water together. It was designed by Bruce Kirby and almost 700 boats have been built since 1980. The Sonar has recently achieved status as an International Class.

  3. Sonar sailboats for sale by owner.

    Sonar preowned sailboats for sale by owner. Sonar used sailboats for sale by owner.

  4. Sonar

    Sonar is a 22′ 11″ / 7 m monohull sailboat designed by Bruce Kirby and built by Rondar Raceboats, Shumway Marine, Seidelmann Yachts, Ontario Yachts, C. E. Ryder, and DS Yachts (Schwill Yachts) starting in 1980. ... The lower a boat's ratio is, the less power it takes to drive the boat to its nominal hull speed or beyond. Read more. Formula ...

  5. Shumway Marine

    Each boat carefully crafted to meet one-design rules. White gelcoat standard; custom hull gelcoat colors and bottom paint optional. ... Trailer Optional trailer with brakes, custom designed and built for the Sonar, is available. Located on Southern Lake Ontario in Rochester, New York : 585-342-3030 or 800-433-2518 : Get ...

  6. SONAR

    A Ballast/Displacement ratio of 40 or more translates into a stiffer, more powerful boat that will be better able to stand up to the wind. Bal./Disp = ballast (lbs)/ displacement (lbs)*100 Disp./Len.: The lower a boat's Displacement/Length (LWL) ratio, the less power it takes to drive the boat to its nominal hull speed. less than 100 ...

  7. Shumway Marine

    Sonar Reviews. When asked why the Sonar class works and thrives, Sonar sailors did not point to groundbreaking thinking in class management; nor to a boat that wows you with technology or rockstars in its fleet ranks.Sonar sailors love this boat with the big cockpit and the 100 percent jib; they love the fact that you don't need heavies on the rail and a boatload of world-class sailing minds ...

  8. Sonar Sailboats Boats for sale

    Sonar Sailboats. Sonar Sailboats Boats for sale. 1-13 of 13. Alert for new Listings. ... the trailer will be listed later at 9,000. The trailer has only 3500 miles and would cost 12,500 if you buy it as a new trailer.Shipping will be the responsibility of the buyer.Please see my 500+ all positive feedback, bid with confidence. Narrow Results.

  9. Sonar (keelboat)

    The Sonar is a one design trailerable racing sailboat that was designed by Canadian naval architect Bruce Kirby and first built in 1980.. The design was initiated as a commission from the members of the Noroton Yacht Club of Darien, Connecticut, United States.. The Sonar was inducted into the American Sailboat Hall of Fame in 2004.. The design was developed into the more cruising-oriented ...

  10. 6 Best Sailboat Depth Finders

    In addition to using the sonar system, today's sailboat depth finders are designed with a lot of innovative technology and built-in features such as GPS and Wi-Fi. This is to ensure that the devices are more robust and can offer real-time updates on the depth of water where you're sailing at. ... Cost To Sail Around The World. Daniel Wade. May ...

  11. Forward-facing sonar: Everything you need to know

    Passive sonar has a much longer range than active sonar and is utilised by the military to track submarines. Active sonar, the type used on yachts, emits an acoustic signal into the water.

  12. Sonars For Sale

    The Sonar was designed by Bruce Kirby and is a versatile day racing boat with excellent handling in all weather conditions making it a comfortable and confidence boosting starting point for yacht sailing and racing. ... or already be members of, the RNCYC. Membership costs can be found here and it should be noted that these are significantly ...

  13. Best forward-looking sonar: 5 units tested

    The plotter offers two forward views: LiveVü and RealVü 3D. LiveVü will look familiar to fishfinder users, with the classic blue screen and smeared lines, coloured to show the strength of the echo. RealVü scans a 60° arc ahead of the boat to build a picture of the seabed ahead, similar to the Echopilot 3D.

  14. Sonar

    fishfinders. sonar. CONTACT WEST MARINE. Live Chat. 1-800-262-8464. Store Locator. Shop the best selection of Sonar from West Marine. Visit for products, prices, deals and more!

  15. What Type of Sonar Does Your Boat Need?

    Their DFF3D Multi-Beam Sonar. With a compact multi-beam pocket transducer (non-protruding, therefore protected), the revolutionary DFF3D is perfect for both deep and wide water columns. It delivers side scan detection of 650 feet and down scan ability to 1,000 feet. Fish targets are shown in 3D and the sonar offers four customizable display modes.

  16. Shumway Marine

    Information contained in this listing is thought to be accurate, but is not guaranteed. A boat's stated condition is provided by the owner, and is not the result of any inspection or survey by Sonar International. Hull # Year Builder Color Location Condition Price (US $) 499: 1991: Ontario Yachts: Green:

  17. Sonar Revolution

    SONAR SOURCES. Furuno USA (360) 834-9300 furuno.com. Koden (631) 996-2690 si-tex.com. Wesmar (425) 481-2296 wesmar.com. Serious anglers looking to up their game are turning to professional-grade sonar, which has the ability to see 360 degrees around the boat and detect fish from a quarter-mile or more away.

  18. Sonar Sailboat Parts, Rigging, and Accessories

    The 23-foot Sonar is popular for its combination of comfort, speed, and ease of handling. This trailerable Bermuda rig, sailed by a crew of 3 to 5, seats up to 8 people and has a deep keel for stability. The Sonar's generous cockpit appealed to both disabled and able-bodied sailors. It became Europe's first Paralympic sailing class in 1996.

  19. Advanced sportfishing sonar systems

    Including the installation costs, these advanced sportfishing sonar systems will run you between $110,000 and $120,000. The Furuno Omni CSH8LMK2 sonar has been utilized in the commercial fishing world for years but has been widely considered too expensive for recreational or charter boats. Now that people are seeing how successful they are ...

  20. A smaller sonar with bigger features

    LISTEN. Simrad has expanded its array of fishing-finding omni-sonar devices with the Simrad SY50, a new, smaller device that will bring traditional big-boat sonar features to smaller coastal fishing vessels. Much like its larger predecessors, the compact SY50 has 256 channels for receiving and transmitting, including single-ping and FM ...

  21. A Smooth Operator's Guide to Underwater Sonars and Acoustic Devices

    It is one of the most fundamental types of sonar and is used on nearly every boat in the world to measure water depth to avoid running aground. It's also the type of sonar used in a "fish finder" sonar. In the hydrographic world, it's one of the most common and cost-effective tools for bathymetric surveys.

  22. Forward Facing Sonar

    "The Lowrance depth finder I use has mapping, down-sonar, side-scanning, GPS and a water-temperature gauge, all on the dash of my boat. On my boat's front, I have two Lowrance HDS Live 12s, one for my forward-facing sonar and one for split-screen with mapping, down-imaging and the ability to keep up with the day and the time.The HDS Live 12 comes: preloaded with C-Map Contour; plus mapping ...

  23. Sonar boat searches Lake Michigan for remains of Sade Robinson

    A sonar boat is searching near the shoreline of Lake Michigan for remains of 19-year-old Sade Robinson. TMJ4's Megan Lee has been following the case since day one. 1 weather alerts 1 closings/delays

  24. Sade Robinson: sonar boat searching Lake Michigan for remains

    The Milwaukee County Sheriff's Office utilized a boat equipped with sonar to search Lake Michigan for more possible human remains of Sade Robinson, on Friday, April 19.