Instruments

  1. 26% off

    Faria Kronos Depth Sounder

    $403.86
    $298.69
    0
  2. Furuno Remote Display - RD33

    $980.57
    0
  3. Maretron GPS Antenna/Receiver - GPS200-01

    $489.85
    0
  4. Standard Horizon GPS Smart Antenna - SCU-31

    $140.17
    1
  5. Airmar P17 Plastic Low-Profile Housing - 33-417

    $32.32
  6. Airmar NMEA 0183 Plastic Tilted Element Smart Sensor - 235 kHz

    $1,234.37
  7. Airmar P79 In-Hull Transducer - 235 kHz

    $205.05 - $605.51
  8. Airmar SS617V Stainless Low-Profile Housing with Integrated Valve - 33-617-01

    $317.86
  9. Airmar D800 Plastic Retractable Thru-Hull Transducer - 170kHz - D800P-170-BG

    $328.44
  10. Airmar ST800 Installation Kit - 20-410-01

    $78.70
  11. Furuno GPS Antenna without Cable - GPA017S/S

    $168.39
  12. Furuno DT-800 Bronze Depth/Temperature Thru-Hull Smart Sensor - DT-800MSF

    $546.29
    0
  13. SeaStar Teleflex/Sierra In-Dash Digital Depth Finder with Transducer - 2" - 26000P

    See price in cart
    2
  14. Digital Yacht DST810 NMEA2000 Triducer with BT Interface - ZDIGDST810

    $629.44
  15. Digital Yacht iSeaSense Wireless Speed/Depth/Temperature Instrument Pack - ZDIGISSPK1

    $1,018.63
  16. Lowrance Temperature Sensor - 000-11520-001

    $154.27
    0
  17. Simrad DST-810 N2K Bronze Triducer Multisensor - 000-15736-001

    $591.39
  18. Airmar DT800 Bronze Installation Kit - 20-398-02

    $235.60
  19. Airmar S63/P37/P52 Spare Wheel Kit - 33-110

    $33.03
  20. Digital Yacht GPS Sensor/Antenna - ZDIGGPS160

    $240.28
    1
  21. Airmar ST300 Shorty Blanking Plug Assembly - 33-386-01

    $40.08
  22. Airmar P8 Retractable Shorty Series Depth Sensor - P8-200-0

    $238.89
  23. Faria Transom Mount Depth Transducer - SN2011

    $217.72
  24. Airmar P79 In-Hull Transducer O-Ring - 09-518-18

    $6.73
    5
  25. Airmar B17 Bronze Housing - 33-100

    $169.80
  26. Airmar ST-550/100 Spare Wheel Kit - 33-108

    $29.15
  27. Airmar ST-200 Spare Wheel Kit - 33-114

    $27.39
  28. Airmar P217 Plastic Flush Mount Housing - 33-217

    $32.32
  29. Airmar Raymarine ST600 Spare Wheel Kit - 33-250

    $38.67
    1
  30. Davis Instruments Weather Station Mounting Pole Kit - 7717

    $145.83
  31. B&G Nemesis Sailing Display Hub - 000-15683-001

    $605.49
    0
  32. Faria Dress White Depth Sounder

    $350.26 - $416.53
    0
  33. Furuno GPS Antenna - GPA017

    $196.59
    0
  34. Airmar Shorty Sensor Speed/Temperature Low-Profile Housing - 33-361-01

    $42.90
  35. Airmar P39 Transom Wheel Assembly - 33-473-01

    $33.03
    1
  36. Airmar P39 Replacement Bracket Kit - 33-477-01

    $32.32
    1
  37. Airmar S63 Transom Mount Speed Sensor - S63-0

    $58.41
  38. Airmar B122 B&G Replacement Plastic Insert - B122-170-INS-BG

    $474.97
  39. Faria Universal Pitot Kit - 91109

    $21.80
    1
  40. Airmar 33-108 Spares Kit O-Ring - 09-146

    $7.04
  41. Airmar DX900 Installation Kit and Housing - 20-1256-01

    $106.35
  42. Airmar DX900+ Thru-Hull Smart Electromagnetic Speed Sensor - DX900-ST-0

    $1,691.21
  43. Airmar 33-108 Wheel Kit Replacement Paddlewheel - 20-301-01

    $25.98
  44. Scout GPS/GLONASS Antenna - 3" (7 cm) - NAV-6

    $154.56
    1
  45. Veratron Ocean Link TFT Multifunction Display - 4.3" - A2C1352150001

    $1,109.45
    0
  46. 14% off

    Veratron GO Receiver

    $193.87 - $433.83
    $164.88 - $433.83
    0
  47. Veratron LinkUp Intelligent Battery Sensor - B00043901

    $211.13
    0
  48. B&G 20/20HV 3-Way Mast Bracket - BGH220013

    $365.81
    0

About Instruments

Marine Instruments

Sailing navigation is made easy with a variety of electronics offered by Defender. Marine navigation tools, bundles, and a full line of accessories cover all boat navigation needs. Multifunction marine instruments offer an alternative when installation space and budget are tight.

Which marine instruments are important to sailing?

Anyone on the water can benefit from as much information as possible but it could be argued that sailing navigation and wind indicators are the essentials to skippers on sailboats. Depth finders and speed monitors might be seen as sailing frivolity, but any sailor would be happy to have these marine instruments in their electronics package.

Sailing into the wind

Technically there is no such thing. Sailing directly into the wind cuts down the angle and doesn't allow the sails to capture the wind, which propels the boat. Here's where sailing navigation tools and packages come into play. Wind indicators monitor the strength and direction of the wind while navigating correctly to capture the wind is essential.

How to navigate your cruise

Here's where depth finders, plotters, and temperature gauges become a more important part of your sailing navigation package. Cruising on your sailboat means less about wind and more about other boats, obstacles, and, of course, finding your way home. Defender Marine offers full sailboat navigation packages and multifunction marine electronics units for the family sailboat and the competitive team!