North Sea Navigator, Inc. Compass Repair and Adjusting
full service compass business: magnetic compass sales, compass repair and on board compass adjustments. 631-757-7169

Commercial Magnetic Compass Adjusting and Magnetic Compass Repair

Magnetic Compass Adjusting and Deviation Tables and Magnetic Compass Repair available aboard Tug Boats, Ferries, USCG, Commercial Fishing Vessels, Charter Boats and others.(unable to accommodate tankers & cargo ships at this time)

Magnetic Compass Adjusting & Repair Service aboard Private Vessels of all Makes & Sizes as well as Luxury Yachts

GPS is not the answer! A functional well Calibrated Compass is the only way to safely navigate

North Sea Navigator, Inc. -- servicing all your magnetic Compass needs

What We Do

Specializing in magnetic compass sales, compass repair and on board compass adjustments complete with deviation tables. 

Sales of the Cyclops Radar Reflector, the only passive radar reflector on the world market with the ISO (international standards organization) approval

Safety and Navigation equipment plus plotting tools

  •  Free consults and estimates
  • Authorized E.S.Ritchie Repair Station
  • Compass repairs on E.S. Ritchie, Danforth and C.Plath

Welcome to North Sea Navigator, Inc.,

North Sea Navigator, Inc. for all your  magnetic compass needs, compass adjusting/compensation as well as compass repair sales and installation....serving, but not limited to, Long Island, New York, New Jersey.


Connie Jacobs (owner) with assistant Peter

North Sea Navigator has been serving the compass needs of New York and Long Island for more than 40 years. We are proud to serve the U.S. Coast Guard, the U.S. Navy, New York ferry lines, official vessels of all types, commercial fishing boats as well as pleasure craft of all makes and sizes. Feel free to contact us with any questions regarding or products or any compass related questions you may have.

Call us for a free QUOTE at

631-757-7169

A Full Service Compass Business

North Sea Navigator, known throughout the boating industry for it's complete Compass Repair and Adjusting service
for over 40 years in the New York area

  • Compass Repair

    Is your compass yellowed, cloudy or missing fluid? Do not throw it out or replace it. REPAIR IT!
    We repair C.Plath, Danforth, among others and are an Authorized Ritchie Repair Station.

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  • Compass Installation

    The installation of your compass is very important. If the compass has been installed incorrectly causing an unnecessary error known as an "A Error"...

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  • Compass Adjusting

    Having a compass on board is only half the answer, it needs to be calibrated to your boats specific magnetic field.

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  • Compass Sales

    Let us help you make a wise choice you can live with for years.

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What Our Customers Say


Bulletin Board

A list some of our current clients

Plesure craft of all makes and sizes

N.Y. Dept. of Transportation

Bridgeport - Port Jefferson Ferries

Commercial Fishing Vessels

Tug Boats

U.S.C.G. Vessels

Army Corps of Engineers

(unable to accomodate tankers & cargo ships at this time)


Why do I need a functional compass when I have G.P.S.?

Certainly the most common response of boaters today. Your compass is by no means an obsolete instrument...

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What does it mean to have a compass adjusted, calibrated or swung?

A compass adjusting procedure is done by using a known directional reference...

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Is a new compass "pre-adjusted" after assembly at the factory before I buy it?

Most compasses are set for the basic North, South, East, West headings...

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