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

Airmar UDST800 Thru-Hull Ultrasonic Smart Multisensor

Airmar DST810 Smart Multisensor

Airmar DT800 Thru-Hull Tilted Element Smart Sensor

Airmar 110WX WeatherStation Instrument - WS-110WX

Airmar 200WX NMEA 0183/2000 RS232 WeatherStation

Airmar ST850 NMEA 2000 Smart Speed & Temperature Sensor

Lowrance Point-1 AP GPS and Heading Antenna - 000-12930-002

Airmar 200WX Apparent & True Wind WeatherStation Instrument - WS-200WX

Airmar P39 Transom Mount Smart Triducer Multisensor - P39-235-N2

Airmar UST850 Thru-Hull Ultrasonic Smart Multisensor

Airmar 200WX NMEA 0183/2000 IPX7 WeatherStation - WS-200WX-RS422

Airmar NMEA 0183 Stainless Tilted Element Smart Sensor - 235 kHz

Airmar ST800 Thru-Hull Speed & Temperature Sensor

Airmar WeatherStation USB Interface Box - WS-USB

Airmar NMEA 2000 Bronze Tilted Element Smart Sensor - 235 kHz

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

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

Airmar ST800 FISO 5-Pin Replacement Insert - ST800-INS

Lowrance HST-WSU Skimmer Transducer with Temperature Sensor - 83/200 kHz - 000-0106-48

Airmar P79 In-Hull Dual Frequency Transducer

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

Airmar ST850 Thru-Hull Speed & Temperature Sensor

Airmar ST300 Thru-Hull Shorty Speed/Temperature Sensor - ST300-FISO

Lowrance Fuel Flow Sensor - 000-11517-001

Airmar ST800 NMEA 2000 Smart Speed & Temperature Sensor

Lowrance Speed Sensor Pack - 000-11519-001

Lowrance Point-1 External GPS Antenna with Heading Sensor - 000-11047-002

Airmar WeatherStation Humidity Sensor - WS-HUMIDITY

Lowrance P79 In-Hull Transducer - 000-13942-001

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

Airmar ST850 B&G Replacement Insert with Valve - ST850-INS-BG

Airmar 150WX NMEA 0183/2000 WeatherStation - WS-150WX-RS232

Airmar ST300 Replacement Insert - ST300-INS-0

Airmar D800 Plastic Retractable Thru-Hull Transducer - 170kHz - D800P-170-BG

Lowrance Fluid Level Sensor - 000-11518-001

Airmar Simrad P79 In-Hull Adjustable Angle Transducer - P79-BL

Airmar NMEA 2000 Stainless Tilted Element Smart Sensor - 235 kHz

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

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

Airmar SS571 Stainless Steel Replacement Stuffing Tube - 33-541-01

Airmar P79 Replacement Mounting Base and Locking Ring - P79-FL

Airmar ST800 Installation Kit - 20-410-01

Airmar ST800 Blanking Plug Assembly - 33-481-01

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

Airmar ST-650 Speed/Temperature Replacement Insert

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

Airmar P17 Plastic Low-Profile Housing - 33-417

Airmar P79 In-Hull Transducer - 235 kHz

About Instruments

Marine Instruments

Which marine instruments are important to sailing?

Sailing into the wind

How to navigate your cruise

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