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Instruments

Depth Instruments Mounts & Accessories Multifunction Instruments Other Instruments Sensors & Transducers Speed Instruments Wind Instruments

118 Listed

  1. Airmar B17/B617/DT800 Replacement Rubber Washer - 09-452

    $5.64

  2. Airmar 33-114 Spares Kit O-Ring - 09-145

    $6.35

  3. Airmar 33-108 Spares Kit O-Ring - 09-146

    $6.53

  4. Airmar 33-108 Paddle Wheel Kit Replacement Shaft - 01-088-1

    $7.46

  5. Airmar 33-113/33-114 Paddle Wheel Kit Replacement Shaft - 01-088-5

    $7.53

  6. Airmar DST800 Non-Valve Housing O-Ring Kit - 20-519-01

    $8.02

  7. Airmar WeatherStation Cable Extension Adapter

    $8.83 - $12.85

  8. Airmar Snap-In Smart Sensor Cap - 20-386-03

    $12.04

  9. Airmar WeatherStation Cable Adapter - 04-564-03

    $12.67

  10. Airmar P66 Plastic Cover Assembly - 04-349-02

    $14.44

  11. Airmar ST-200 Spare Wheel Kit - 33-114

    $20.83

  12. Airmar P65/ST69 Transducer Paddlewheel Kit - 33-398-01

    $21.63

  13. Airmar S300/ST300 Spare Paddlewheel Kit - 33-350-01

    $22.01
    1

  14. Airmar P32 Triducer Replacement Paddlewheel - 20-143-1

    $22.44
    1

  15. Airmar P32 Spare Wheel Kit

    $22.44

  16. Airmar ST-550/100 Spare Wheel Kit - 33-108

    $23.23

  17. Airmar P8 Shorty Sensor Low-Profile Housing - 33-360-01

    $23.37

  18. Airmar ST650 Valve Assembly - 20-603

    $24.03

  19. Airmar P23/P32 Mounting Bracket Kit - 20-154

    $25.64

  20. Airmar S63/P37/P52 Spare Wheel Kit - 33-110

    $25.64

  21. Airmar P39 Transom Wheel Assembly - 33-473-01

    $25.64

  22. Airmar P58 Transom Paddlewheel Kit - 33-492-01

    $25.64

  23. Airmar Replacement Blanking Plug Assembly without Valve - 33-486-01

    $25.77

  24. Airmar P39 Replacement Bracket Kit - 33-477-01

    $25.77

  25. Airmar P317 Plastic Taper-Flush Housing - 33-092-01

    $25.90

  26. Airmar P217 Plastic Flush Mount Housing - 33-217

    $25.90

  27. Airmar P17 Plastic Low-Profile Housing - 33-417

    $25.90

  28. Airmar ST800 Blanking Plug Assembly - 33-481-01

    $26.85

  29. Airmar ST300 Shorty Blanking Plug Assembly - 33-386-01

    $26.96

  30. Airmar P66 Transom Mounting Bracket Kit - 33-479-01

    $27.35

  31. Airmar P58 Bracket and Wedge Kit - 33-491-01

    $27.49

  32. Airmar Raymarine ST600 Spare Wheel Kit - 33-250

    $27.98

  33. Airmar Replacement Blanking Plug Assembly with Valve - 33-482-01

    $27.98

  34. Airmar P66 Replacement Paddlewheel Assembly - 33-346-03

    $29.35

  35. Airmar B55 Speed Only Thru-Hull Triducer Spare - 33-125

    $29.35

  36. Airmar ST-800 Paddlewheel Kit - 33-493-01

    $29.35

  37. Airmar ST600 Blanking Plug Assembly - 20-600

    $30.72

  38. Airmar Stuffing Tube Bushings - 20-488-01

    $33.46

  39. Airmar Shorty Sensor Speed/Temperature Low-Profile Housing - 33-361-01

    $33.46

  40. Airmar Gen2 DST810/ST900/ST950 Replacement Paddlewheel - 33-HP-PADDLEWHEEL

    $34.83

  41. Airmar ST850 Blanking Plug Assembly - 33-522-01

    $36.20

  42. Airmar P66 Bracket Assembly Wedge and Cover Kit - 20-390-01

    $40.31

  43. Airmar ST850 Paddlewheel & Valve Kit - 33-536-01

    $44.42

  44. Airmar S63 Transom Mount Speed Sensor - S63-0

    $45.79

  45. Airmar P398 Shorty Sensor Speed/Temperature Taper-Flush Housing - 33-444-02

    $54.01

  46. Airmar ST800 Installation Kit - 20-410-01

    $60.86

  47. Airmar P617V Plastic Low-Profile Housing with Valve - 33-510-01

    $62.23
    1

  48. Airmar Wiring Box with Screw Terminals - 33-035-BOX

    $70.45
    1
 
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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!

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