Books Videos and Software› Computer Software

CMAP

4D, ST. LAWRENCE RIVER

$291.02

SKU: C091 M-NA-D935-MS

In Stock
In Stock
Ships by Jul 29
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The C-MAP 4D NA-D935 is a digital marine chart for the St. Lawrence River. It offers advanced navigation features, including 3D chart view with depth data and periodic updates, high-resolution satellite imagery, and digital raster charts for enhanced situational awareness. The chart also provides easy routing capabilities with automatic route creation and hazard highlighting, as well as a Guardian Alarm for obstacle detection. It is compatible with specific Furuno and Standard CPN units and is provided on a MicroSD/SD card.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandCMAP
Part NumberC091 M-NA-D935-MS

Videos

C-MAP REVEAL: Instructional video

C-MAP REVEAL: Instructional video
C-Map 4D Electronic Charting

C-Map 4D Electronic Charting
Activating C-Map Color Shading on Lowrance

Activating C-Map Color Shading on Lowrance
Instructional video of C-MAP Reveal

Instructional video of C-MAP Reveal
C-Map Reveal 3D Better than Navionics? - Are You MISSING OUT?

C-Map Reveal 3D Better than Navionics? - Are You MISSING OUT?
Navionics vs C-Map vs Lighthouse Charts + Auto-Routing Compared

Navionics vs C-Map vs Lighthouse Charts + Auto-Routing Compared
C-MAP: Using the 'Shaded Relief' function with Lee Rayner

C-MAP: Using the 'Shaded Relief' function with Lee Rayner
C-MAP Electronics Charts: Overview

C-MAP Electronics Charts: Overview
C-MAP ׀ Introducing the C-MAP App

C-MAP ׀ Introducing the C-MAP App
C-MAP Continental U. S. Lakes and Rivers map chart in Lowrance Gen3 unit

C-MAP Continental U. S. Lakes and Rivers map chart in Lowrance Gen3 unit

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy