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12 inch screens

As specialist stockists in ONWA chart plotters and fish finders, we can be guaranteed to find the right device for your vessel and needs. Our selection of 12 inch GPS chart plotters provide a comprehensive option regardless of whether you are an amatuer or professional sailor. Each model includes high-spec features designed to keep you safe and efficient at sea, and are suitable for a range of applications, be it leisure, commercial, passenger, professional, or fishery purposes. Our stock of ONWA devices include their own unique marine navigation features, boasting impressive multi-functional capabilities and versatile tracking compatibility.   Depending on the model chosen, our selection of 12 inch screen chart plotters include proximity waypoint alarm, built in fish finders and marine depth sounders, go onto track navigation, perspective view, and multiple display features. Certain models within our range also include useful compatibility with Navionics+ and support C-MAP Max data. The ONWA GPS chart plotter devices are designed to help you easily plan your route and keep things simple when setting your course, straight from your fingertips.  Our 12 inch fish finders and chart plotters come with a range of standard accessories, including an external KA-07 GPS antenna with 10 metres of cable, operator manual install template, installation materials and standard spare parts. Fish finder / sounder KP-1299 C and KP-1299X models include a 600 watt dual frequency plastic transducer as standard (bronze and 1000 Watt transducers also available as an option).

Need More Info or Additional Support? 

If you need more information on our 12 inch GPS chart plotters products or require assistance when it comes to selecting the right marine electronics for your vessel, the AVES Marine team are on hand as your experts on all things ONWA. Contact a member of our friendly team to see how we can help, today!
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NEW KM12 . 12 " screen
Brand: Onwa Model: KM12
NEW KM12 . 12 " screen
Latest KM series 12 " chart plotter. Featuring the very latest NMEA OneNet, an IP based network data transfer system - it is the future for data transfer. Read about OneNet in our blog. KM-Multi 12Latest 12 inch model from Onwa Marine. This 12 inch plotter compliments the existing KP1299 serie..
£959.00
Ex Tax:£799.17
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NEW KM12A with Class B+ SOTDMA 5 Watt AIS
Brand: Onwa Model: KM12A
NEW KM12A with Class B+ SOTDMA 5 Watt AIS
Latest KM series 12" chart plotter with 24-month warranty.Featuring the very latest NMEA OneNet, an IP based network data transfer system - it is the future for data transfer. Read about OneNet in our blog. KM-Multi 12ALatest top of the range 12 inch model with Class B+ AIS built in from Onwa M..
£1,199.00
Ex Tax:£999.17
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NEW KM12C with Sounder (includes transducer) NEW KM12C with Sounder (includes transducer)
10 day delivery 10 day delivery
Brand: Onwa Model: KM12C
NEW KM12C with Sounder (includes transducer)
Latest KM series 12 " chart plotter with 24-month warranty.KM-Multi 12C Latest top of the range 12 inch model from Onwa Marine with a fantastic new optically bonded 1024 x 768 resolution screen and NMEA2000 data. The KM-12C and its 8 inch sibling, KM-8C, are Onwa's new flagship chart plotter product..
£1,099.00
Ex Tax:£915.83
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NEW KM12X with Class B+ AIS and Sounder (includes transducer) NEW KM12X with Class B+ AIS and Sounder (includes transducer)
Brand: Onwa Model: KM12X
NEW KM12X with Class B+ AIS and Sounder (includes transducer)
Latest KM series 12 " chart plotter with 24-month warranty.Click the KM12X demonstration links below to learn all you need to know about the Km12X. The videos are by Roger Gaspar, well known author of Crossing the Thames Estuary, a must have read for anyone sailing the Estuary. Roger is an expert as..
£1,299.00
Ex Tax:£1,082.50
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K-Fish12 S1. New Model Professional Sounder 1 KW with transducer
10 day delivery 10 day delivery
Brand: Onwa Model: K-Fish12 S1
K-Fish12 S1. New Model Professional Sounder 1 KW with transducer
Please note that this product is ordered as needed - delivery time around ten days. Please call or message to make an enquiry or place an order.S1 1KW version £1324 + VAT includes 1 KW 50KHz or 200Khz transducer with Fairing BlockAlso available as 2kW versionS2.  2KW version £1441 + VAT include..
£1,588.94
Ex Tax:£1,324.12
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