GARMIN ECHOMAP Ultra 2 166sv Chartplotter Package
The GARMIN ECHOMAP Ultra 2 166sv is a 16-inch chartplotter package with a GT56UHD-TM transducer and Navionics+ US and Canada cartography. The unit provides a chartplotter, transducer, and regional map bundle for marine electronics installations planned around the published enclosure size.
Technical Specifications
| Product Category | Chartplotters |
|---|---|
| Model | ECHOMAP Ultra 2 166sv |
| Display Size | 16 in |
| Included Transducer | GT56UHD-TM |
| Included Cartography | Navionics+ US and Canada |
| Weight | 9.5 lb (4.31 kg) |
| Dimensions | 16.9 x 10.5 x 3.14 in (429.3 x 266.7 x 79.8 mm) |
Compatibility & Applications
- Fits helm layouts planned around a 16-inch chartplotter display.
- Pairs with the included GT56UHD-TM transducer in the package.
- Pairs with Navionics+ cartography covering the US and Canada.
- Mounts where 16.9 x 10.5 x 3.14 in clearance is available.
- Includes chartplotter, transducer, and cartography under one product listing.
For a helm refit, the installer can allocate panel space using the 16.9 x 10.5 x 3.14 in dimensions and account for the 9.5 lb unit weight before fabrication. The differentiator is the bundled GT56UHD-TM transducer and Navionics+ US and Canada map package rather than a display-only chartplotter listing.







