Garmin GPSMAP 1243 12" Chartplotter, Navionics+ Charts, NMEA 2000
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Overview
The Garmin 010-02367-60 is a 12-inch chartplotter with built-in Garmin Navionics+ mapping for a connected helm. The 12.1 in touchscreen runs at 1280 x 800 resolution, so you can read contours, buoy data, and route details without squinting, even when you are standing off to the side of the helm.
Position updates come from a 10 Hz high-sensitivity GNSS receiver, which helps keep COG and speed data looking smooth on screen when you are threading channels or running in quartering seas. Typical draw is 1.7 A at 12 Vdc (max 2.2 A at 12 Vdc), which matters when you are planning battery loads on smaller boats.
This is a non-sonar chartplotter, but it can be expanded with compatible marine networking, NMEA data, and external sonar black boxes, so it still fits well in systems that grow over time.
Key features
- 12.1 in touchscreen with 1280 x 800 resolution and polarized sunglasses support for easier viewing at the helm
- 10 Hz high-sensitivity GNSS receiver for responsive position, speed, and course data
- Built-in Garmin Navionics+ coverage with offshore, coastal, and inland charts for the U.S. plus coastal charts for Canada, with Auto Guidance+ route suggestions for planning
- IPX7 water rating for exposure to spray and the realities of an open cockpit
- NMEA 2000 support plus NMEA 0183 input and output for sharing GPS, heading, AIS, and instrument data across mixed systems
- Two Garmin Marine Network ports for tying into compatible radar, sonar modules, cameras, and additional displays
- J1939 compatibility with a dedicated J1939 connector for pulling engine data from compatible engine networks
- Wireless connectivity for app pairing and on-board updates, with ANT support for compatible sensors and wearables
- Composite video input (BNC) and HDMI video output for flexible camera and video routing
- Two microSD card slots (32 GB max) for additional charts, data transfer, and backups
Installation and setup
Mounting options include bail mount or flush mount, which makes it straightforward to retrofit into many helm layouts. The unit measures 12.1 x 8.9 x 3.2 inches overall and weighs about 6.6 lb, so confirm you have enough dash depth and clearance for cable bends before you cut.
For flush mounting, a proper template cutout and marine sealant around the opening help keep water out of the console. Leave space to access the rear connectors and the microSD slots if you plan to swap cards later, and keep unused connectors capped to protect the contacts.
Compatibility and system integration
For networked boats, NMEA 2000 is the cleanest way to share GPS position, heading, engine data, and instrument info across displays and sensors. If you are integrating with older gear, the NMEA 0183 ports can still handle common talker data without needing to rewire the whole boat.
When your setup calls for radar, external sonar, or additional screens, the Garmin Marine Network ports make expansion simpler and keep data moving quickly. The dedicated J1939 connector is there for installations that rely on engine gateway data, which is common on many modern outboards and inboard packages.
Mapping and navigation
With Garmin Navionics+ built in, you can get on the water with detailed cartography already loaded, then add more regions or specialized coverage via microSD as your cruising area changes. Auto Guidance+ can help with route planning, but it is still on you to verify depths, clearances, and real-time conditions on the water.
Use cases on board
This chartplotter makes sense for center consoles, pilothouses, and flybridges where you want a larger touch display for chart work, AIS targets, and instrument overlays. It is also a good match for cruisers and sailors who want strong navigation features today and the option to network in radar, engine data, cameras, and sonar modules later.
What’s included
- Chartplotter with a preinstalled microSD
- Power cable
- NMEA 2000 connectivity tools
- Mounting kits
- Protective cover
- Documentation
We ship all in-store (FL) stock orders the same day if placed before 3 PM EST, Monday through Friday. Orders placed after this time will ship the next business day. Orders fulfilled from other warehouses or manufacturers may not ship the same day. If an item is out of stock, we will notify you promptly.