S-57 Plotter: offline nautical charts

Open files Open folder

S-57: .000 with .001… updates, or .zip. Folder: e.g. ENC_ROOT from a USB stick, all cells at once.

Tap a chart object to see what it is; tap elsewhere to find the free NOAA cell for that spot (US waters).

NOAA cell

Signal K

Display

Draft, m under-keel margin

Water shallower than draft plus margin is dark blue, the bold contour bounds safe water. The route and the course ahead are checked for shoals.

Text encoding

Route:

Open GPX
Planning speed, kn

Tracks:

Chart sources:

Charts on this device:

Offline base map (Gulf of Finland, Neva, Ladoga):
Open file

Subscription:

Device code:

Not for navigation. Prototype.

SOG–

COG–

Depth–