Instruments

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!

Instruments

Lowrance Temperature Sensor - 000-11520-001

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

Airmar B17 Bronze Housing - 33-100

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

Airmar UST850 Ultrasonic Smart Sensor Insert - UST850-INS

Lowrance Cruise/Hook2 83/200 Skimmer Transom Mount Transducer - 000-15053-001

Airmar P39 Transom Wheel Assembly - 33-473-01

Airmar P66-DST Transom Mount Triducer

Airmar P66-DT Transom Mount Transducer

Airmar S63 Transom Mount Speed Sensor - S63-0

Airmar P79 In-Hull Transducer O-Ring - 09-518-18

Airmar P217 Plastic Flush Mount Housing - 33-217

Airmar P39 Replacement Bracket Kit - 33-477-01

Airmar ST850 Blanking Plug Assembly - 33-522-01

Airmar P52 Transom Mount DST Triducer - P52-200-6G

Lowrance Thru-Hull Temperature Sensor - 000-11521-001

Lowrance Elite FS Protective Suncover

Lowrance 9-Pin Shoot Thru-Hull Pod Transducer with Remote Temp - 000-14887-001

Airmar 33-108 Wheel Kit Replacement Paddlewheel - 20-301-01

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

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

Airmar Raymarine ST600 Spare Wheel Kit - 33-250

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

Airmar P32 Spare Wheel Kit

Airmar WeatherStation Cable Extension Adapter

Airmar UST800/850 NMEA 2000 Ultrasonic Processor - UST8-ECP

Airmar ST300 Replacement Insert - ST300-INS-0

Airmar SS617V Stainless Low-Profile Housing with Integrated Valve - 33-617-01

Airmar P79 Replacement Screw Pack - P79-SCREWPACK

Airmar P66 Plastic Cover Assembly - 04-349-02

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

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

Airmar P32 Transom Mount DST Triducer - P32-200-VDO

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

Airmar ST600 Blanking Plug Assembly - 20-600

Airmar ST-200 Spare Wheel Kit - 33-114

Airmar B120 Bronze Low-Profile Housing - 33-340-01

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

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

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

Airmar NMEA 0183 Bronze Tilted Element Smart Sensor - 235 kHz

Airmar NMEA 0183 Plastic Tilted Element Smart Sensor - 235 kHz

Airmar P79 In-Hull Transducer - 200 kHz

Airmar P39 Transom Mount Smart Sensor - P39-DT-N2

Airmar 150WXS NMEA 0183/AG WeatherStation - WS-150WXS-RS232

Airmar 150WXS NMEA 0183/2000 WeatherStation - WS-150WXS-RS422

Airmar 200WX NMEA 0183/2000 IPX7 WeatherStation - WS-200WX-RS232-IPX7

Airmar 110WX NMEA 0183/2000 WeatherStation - WS-110WX-RH

About Instruments

Marine Instruments

Which marine instruments are important to sailing?

Sailing into the wind

How to navigate your cruise

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