The HELIX 12 CHIRP MSI+ GPS G4N features a 12.1" display, MEGA Side Imaging+, MEGA Down Imaging+, Dual Spectrum CHIRP Sonar and internal GPS with Humminbird Basemap. As with all HELIX G4N models, this HELIX 12 includes standard features such as AutoChart Live, Wi-Fi and NMEA 2000®, in addition to Bluetooth® and Ethernet networking for compatibility with the One-Boat Network™ family of products from Humminbird, Minn Kota and Cannon.
- Keypad control: Master HELIX at the touch of a button. Access the preloaded views from the user-friendly menu system, operated by soft key controls that allow you to reliably operate your fish finder in any conditions.
- MEGA Side Imaging+: See the world below like never before with a crystal-clear Side Imaging viewing out to 200 feet on either side of your boat. You'll unlock more fish and structure with 20% more detail and 60% more range capability than MEGA Side Imaging sonar.
- MEGA Down Imaging+: Get unprecedented underwater clarity with Down Imaging coverage down to 200 feet below your boat. You'll unlock more fish and structure with 20% more detail and 60% more depth capability than MEGA Down Imaging sonar.
- Dual Spectrum CHIRP sonar: Before you cast, know what's down there thanks to highly detailed fish arches and a clear view of the fish-holding structure and the bottom. Powered by our proprietary, Low-Q CHIRP transducer, Dual Spectrum offers two ways to search; Wide Mode for maximum coverage and Narrow Mode for focusing on the slightest detail.
- Internal GPS and Humminbird Basemap: Our enhanced base map provides you with a clear view of underwater terrain and surrounding points of interest so you can fish and navigate with total confidence. Identify buoys, day markers, hazards, marinas, contours, depth markers and much, much more. Includes charts of more than 10,000 lakes, plus coastal coverage for the continental U.S.
- Premium Chart Compatible: Humminbird provides the most complete offering of premium chart options to anglers everywhere. Get a complete view of the world below with optional charts from Humminbird's LakeMaster® and CoastMaster™ products, as well as your choice of compatible Navionics® charts.
- AutoChart Live: Create real-time maps of your fishing spots, with access to patented Humminbird® LakeMaster® features. Map depth contours, bottom hardness and vegetation as you drive your boat. Comes standard with eight (8) hours of built-in recording time and is compatible with AutoChart Zero Line SD cards for virtually endless AutoChart Live mapping capacity.
- One-Boat Network Compatible: Many Humminbird models seamlessly integrate and communicate with Minn Kota motors and Cannon Optimum downriggers to unlock more features and capabilities for anglers everywhere. Make more of your time on the water with the exclusive boat control and fish-catching features of the One-Boat Network.
- Ethernet Networking: High-speed Ethernet allows you to build a powerful, professional-grade fishing system. Easily connect multiple fish finders, or upgrade to add-on technologies like Minn Kota i-Pilot Link and Humminbird CHIRP Radar.
- Bluetooth: Take control right from the screen of your Humminbird with wireless communication to compatible Talon and Raptor shallow water anchors, as well as Cannon Optimum downriggers. Additional features include wireless software updates from the Humminbird FishSmart App and a display of smartphone notifications on your Humminbird.
- NMEA 2000 networking built-in: Connect an accessory NMEA 2000 network to your control head for even more information; from boat performance to weather and water conditions, make sense of it all with NMEA 2000 networking.
- Includes control head, screen cover, transom-mount transducer, power cable, gimbal mounting bracket and mounting hardware.
- 2-Year Limited Warranty
Please see below for a list of supplier sizing guides. If you have any issues, please don't hesitate to get in touch. We're here to help.
- Helly Hansen Sizing Guide
- Musto Sizing Guide
- Rooster Sizing Guide
- Typhoon Sizing Guide
- Zone 3 Sizing Guide
- Gul Sizing Guide
- Dryrobe Sizing Guide
- Swimzi Sizing Guide
- Dubarry Sizing Guide
- Dinghy Rope Guide
If we are missing a supplier, please send us an email and we'd be happy to source the correct sizing guide for you.
We offer free shipping to all addresses in the Republic of Ireland and Northern Ireland for orders over €75.00 (large, bulky and heavy items like kayaks and boats are excluded from free shipping). Orders under €75.00 will be charged a flat rate of €7.50.
Orders are shipped with both DPD Couriers and An Post.
All orders received before 12pm will be shipped the same day where possible (Monday-Friday). Orders after this time will be shipped the next day. Once the item is shipped the approximate delivery time is 1-2 days
You will receive a tracking number when your items are sent. This tracking will show updates once your order has been collected by our couriers.
Delays may be experienced during certain times of the year and if this is the case we will contact you as soon as possible via email.
We reserve the right to change these conditions for exceptionally large or heavy items, items of a hazardous nature or if an item has run out of stock and has to be specially ordered. We will keep you posted of any changes to the best of our ability.
We offer shipping to all addresses in the United Kingdom for a flat rate of €24.95. We may not be able to ship large, bulky or heavy items. Please call for such items. Please note customs charges may apply.
International Shipping Charges
EU Near
| Order Value | Shipping Charge |
| €1.00 - €99.99 | €14.95 |
| €100 - €299.99 | €17.95 |
| €300 and up | Free |
EU Mid
| Order Value | Shipping Charge |
| €1.00 - €99.99 | €19.95 |
| €100 - €199.99 | €19.95 |
| €200 - €449.99 | €24.95 |
| €450 and up | Free |
EU Far
| Order Value | Shipping Charge |
| €1.00 - €199.99 | €35.00 |
| €200 - €499.99 | €40.00 |
| €500 and up | Free |
We reserve the right to change these conditions for exceptionally large or heavy items or items of a hazardous nature. We will keep you posted of any changes to the best of our ability.
Inclusion of any product on our website is not a guarantee of it being in stock at the time of ordering. We stock one of the most comprehensive ranges of sailing equipment in the country. However situations beyond our control may occasionally result in an item(s) being temporarily unavailable.
- Items discontinued by manufacturers or that are no longer available: we aim to remove from our website as quickly as possible, but remember, we are only human after all.
- If we are unable to supply any item(s) within 7 days, you will be contacted by telephone or email to offer alternatives or cancel your order. Available to order items, marked to follow will be sent automatically when they become available. We do NOT make additional charges for this service.
- In any case, we aim to deliver goods within a maximum time frame of no more than 10 days from receipt of order. If we are unable to do this, you will be contacted to make arrangements for any necessary refund to be issued.
We want you to be 100% satisfied with any online order placed with us. Therefore if you wish to return an item for whatever reason you may contact us by email at sales@vikingmarine.ie to organise a return.
All returns must be organised within 30 days of receiving your order. Refunds are available within the first 14 days after receiving your order. After this period we can offer an exchange or store credit.
Goods can be returned for a full refund plus any shipping paid at the time of purchase if they are faulty or if the wrong item has been dispatched.
Items must be unused and still have their original packaging and labelling attached.
Nothing in these conditions affects your statutory rights as a consumer.
The PayPal account or card used originally for the purchase will be credited with the original purchase amount
If you are looking to exchange the goods for an alternative product or size, you will be liable for the extra shipping costs from our end.
Any footwear returned to us must be in its original condition, including boxes and footbeds.
Any items that we deem unhygienic will not be processed so please clean faulty goods if returning them.
Please note that if items are returned you should ask for proof of postage from your post office as we reserve the right to refuse a refund if an item is lost whilst being returned. Any item bought online can also be returned in store within the terms and conditions of sale, just remember to bring along your receipt.
Special Orders
If you have changed your mind on a non regular stock item that was ordered specially this can be returned for store credit only.
Returns Address
Viking Marine,
The Pavilion,
Marine Road,
Dun Laoghaire,
Co. Dublin,
Republic of Ireland.
Phone: +00 353 (1) 2806654
Email: sales@vikingmarine.ie