Garmin GPSMAP 1643 Chartplotter with Navionics+ and Live Sonar Support

GPSMAP 1643 Chartplotter

GET A SHARPER VIEW FROM A CONNECTED HELM

With its sleek design, powerful processing, and upgraded IPS display, this advanced 16 chartplotter integrates seamlessly into a Garmin marine system.

• Easily integrate with more engines.


• Connect to compatible third-party devices with digital switching and OneHelm integrations.


• Easily build a marine system by using our advanced network connectivity.


• Navigate any waters with preloaded Garmin Navionics+ charts


• Manage the marine experience from nearly anywhere¹.

Live Sonar Support

Pair with Panoptix or LiveScope easy-to-interpret live sonar (transducer required, sold separately) to see all around the boat in real-time.

Faster, Sharper, Smarter

With its added processing power and slimline design featuring edge-to-edge glass, its easy to fit this plotter in a wider range of dash configurations.

Bright and Clear Optics

High-resolution IPS display chartplotter offers improved sunlight readability and visibility from any angle.

Preloaded Mapping

Experience unparalleled coverage and detail with built-in Garmin Navionics+ integrated coastal and inland mapping that includes Auto Guidance+ technology2 and a 1-year subscription for downloadable daily updates and more on select chartplotters.

Optional Charts and Maps

Bring a fresh new look and feel to the chartplotter with an optional upgrade to a Garmin Navionics Vision+ premium chart subscription, featuring downloadable high-resolution relief shading, satellite imagery, sonar imagery, and more.

Power-Pole Shallow Water Anchor

By networking select Garmin chartplotters with a Force trolling motor and a compatible Power-Pole shallow water anchoring system, users can access advanced boat control features3 from the plotter, including smart anchor auto-deployment, smart anchor jog, auto stow, anchor drag detection, and end-of-route anchoring. Spend more time fishing and less time positioning.

Trolling Motor Integration

Get support and integration for a Force trolling motor (sold separately) to gain complete control while fishing.

Charge Integration From Power-Pole

CHARGE Marine Power Manager from Power-Pole integrates with compatible Garmin chartplotters to help keep battery power going longer and stronger on the water. Users can charge batteries on the run, monitor power use, select where power is allocated, control emergency starts, and even transfer power between battery banks all from the chartplotter display.

Garmin Sailassist Sailing Features

View laylines, race start line guidance, enhanced wind rose, heading and course-over-ground lines, true wind data fields and tide/current/time slider, wind angle, set and drift, wind speed, and more.

Sailing Polars

Use the polar table to see key data, including how fast users should go at a certain wind angle and speed so users know whether the sail trim needs to be adjusted.

Garmin Marine Network

If users have multiple compatible Garmin devices on the boat, users can share information such as maps, user data, radar, and IP camera video among them.

NMEA 2000 and NMEA 0183 Networks

Connect to compatible autopilots, digital switching, weather, the Fusion audio system, media, VHF, AIS, and more from one screen.

Activecaptian APP

Built-in Wi-Fi connectivity pairs with the free all-in-one mobile app for access to the OneChart feature, smart notifications, software updates, Helm app, Garmin Quickdraw Community data, and more1.

Integrated ANT Technology

Connect with some of the favorite devices, such as quatix marine watches, gWind Wireless 2 transducers, GNX Wind marine instruments, and wireless remote controls.

Engine Connectivity

Users can connect a chartplotter to different engines, including select Yamaha engines.

OneHelm Feature

This feature brings together all the operations and capabilities of select third-party devices, such as EmpirBus digital switching, on one screen.

Send InReach Device Messages

Pair an inReach satellite communicator4 to the chartplotter, and type custom messages by using the MFDs on-screen keyboard. Access the contact list, or enter an email, inReach address, or phone number. Users can also group messages by conversation for a texting-like experience.

In the Box:

• Chartplotter


• microSD preinstalled


• Power cable


• NMEA 2000 T-connector


• NMEA 2000 drop cable


• Flush mount kit with gasket protective cover


• Trim piece snap covers

Connections

• NMEA 2000 Ports: 1


• NMEA 0183 Input Ports: 1


• NMEA 1083 Input (TX) Ports: 1


• Video Input Ports: 1 (BNC composite)


• Video Output Ports: 1 HDMI


• J1939 Ports: 1


• Garmin Marine Network Ports: 2


• USB Ports: 1


• Bluetooth Pairing


• ANT+ (Connectivity)


• Garmin Wi-Fi Network (Local Connection)

Specifications:

• Unit Dimensions: 15.1" x 10.3" x 3" (38.4 cm x 26.2 cm x 7.6 cm)


• Unit Weight: 9.7 lbs (4.4 kg)

¹Requires ActiveCaptain app on a compatible smartphone paired to a chartplotter

²Auto Guidance+ is for planning purposes only and does not replace safe navigation operations

³Integration of these features requires the purchase of a C-MonsterGATEWAY through Power-Pole

⁴Active satellite subscription required. Some jurisdictions regulate or prohibit the use of satellite communication devices. It is the responsibility of the user to know and follow all applicable laws in the jurisdictions where the device is intended to be used.

Wi-Fi is a registered trademark of the Wi-Fi Alliance.

Engineering enhancements are ongoing and may not be reflected in the pictures, videos, and specifications.

WARNING: This product can expose you to chemicals including NICKEL (METALLIC) which is known to the State of California to cause cancer. For more information go to P65Warnings.ca.gov.

The Garmin GPSMAP 1643 Chartplotter offers a high-performance navigation solution designed for serious boaters seeking precision and connectivity. Featuring a sleek, slimline design with an edge-to-edge high-resolution IPS display, this 16-inch chartplotter provides an exceptionally clear and bright view, ensuring optimal sunlight readability from any angle. Preloaded with Garmin Navionics+ charts, it delivers comprehensive coastal and inland mapping, including Auto Guidance+ technology, with a one-year subscription for updates. This integrated mapping system enables you to navigate confidently across various waters with detailed charts tailored to your needs. The device seamlessly connects with multiple Garmin and third-party systems via its advanced network connectivity, allowing users to build a complete marine network that integrates engines, autopilots, digital switching, and multimedia equipment. The OneHelm feature consolidates control over compatible third-party devices onto one intuitive screen, simplifying operation and enhancing safety. Pairing with optional premium charts like Navionics Vision+ unlocks high-resolution relief shading, satellite imagery, and sonar visuals, providing an even more detailed view of your surroundings. The GPSMAP 1643 supports live sonar support through compatibility with Panoptix or LiveScope transducers (sold separately), giving real-time underwater visuals for better fishing and navigation. Its compatibility with Power-Pole shallow water anchors and Force trolling motors expands control capabilities, enabling features like smart anchor deployment and route stowing directly from the display. Additional integrations include Charge Power Manager from Power-Pole, which helps monitor and extend battery life, and Garmin Sailassist features such as laylines, wind data, and tide information that are essential for sailors. The device also supports Garmin Marine Network sharing, NMEA 2000 and 0183 protocols for seamless connection with autopilots, weather systems, and VHF radios, creating a comprehensive marine environment. Built-in Wi-Fi allows for smartphone pairing via the ActiveCaptain app, providing access to smart notifications, software updates, and community data. The device's ANT technology supports wireless connectivity with marine sensors and remotes, further enhancing its capabilities. Designed for easy installation, the Garmin GPSMAP 1643 comes with a complete set of mounting accessories and connection ports, including HDMI, USB, and multiple NMEA interfaces. Whether you are fishing, cruising, or sailing, this chartplotter offers the advanced features, clarity, and connectivity needed for an enhanced marine experience.

Features:

• High-resolution 16-inch IPS display with edge-to-edge glass for superior sunlight readability and visibility from any angle

• Preloaded Garmin Navionics+ charts with Auto Guidance+ technology for detailed coastal and inland navigation

• Supports live sonar with Panoptix and LiveScope compatibility (transducer sold separately) for real-time underwater imaging

• Advanced network connectivity allowing integration with multiple engines, autopilots, digital switching, and third-party devices

• OneHelm feature consolidates operation of compatible third-party equipment on a single screen for simplified control

• Optional upgrade to Garmin Navionics Vision+ for high-resolution relief shading, satellite imagery, and sonar overlays

• Supports Power-Pole shallow water anchors and Force trolling motors for advanced boat control features

• Charge Power Manager integration for monitoring and extending battery life on the water

• Garmin Sailassist features including laylines, wind data, tide, and course-over-ground lines for sailing enthusiasts

• Garmin Marine Network sharing enables data sharing among multiple compatible Garmin devices onboard

• Supports NMEA 2000 and NMEA 0183 networks for seamless connection with autopilots, weather, and VHF radios

• Built-in Wi-Fi with ActiveCaptain app compatibility for notifications, software updates, and community features

• ANT technology for wireless connectivity with marine sensors and remote controls

• Engine connectivity options including support for select Yamaha engines

• Intuitive control of Power-Pole shallow water anchors and Force trolling motors directly from the display