Release History

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v 9.2.0 (

New Features

  • Add persistent SHOW/HIDE for the Navigation window.
  • Automated Update / Upgrade Feature. Get notice or check for new releases and auto install.
  • Persistent Selection for all other View -> objects items. Now your settings stay from session to session.
  • Added Show Any Scale option in View-> Objects. Lets you turn off scale matching for display and shows all objects regardless of scale.


  • M1 Universal Application is finally here. One App to rule them all! MacENCx64 works on intel & Apple Silicon (M1) Macs.
  • Another Dark Mode fix (found in Chart Manager objects view).
  • ENC Objects (like soundings) whose scale is close to the selected view will now display (fixes disappearing soundings at 1st Harbor scale).


  • Removed support for Actisense NGT-1. Known issue and macOS Big Sur no longer compatible with driver forced us to pull it out.
  • NMEA2000 compatibility available with listed Yacht Devices hardware (see Connections in Help or visit our Gear Store) and other bridges that do translation.

v 9.1.0 (r.20201222)

New Features

  • Contact Support link in Help menu brings you directly to our support desk portal.
  • New View=>Object toggle “Caution Areas” removes purple hash on some NOAA update charts.


  • Fixed: Dark Mode defects in Waypoints, GPS / Instrument windows, and hover cursor in Measure Mode
  • Zoom, Pan, and scroll improved: Works just like Apple Maps! Two finger pan, pinch to zoom on trackpad, scroll to zoom on mice.


  • Moved release notes from application help onto NavStation web site with link.

v 9.0.1 (r.20201130) MacENCx64 Debut

New Features

  • Recompiled to 64bit: Supports current and future macOS (Catalina and beyond)
  • Chart Manager Show/Hide function: Select your working set of charts without having to remove and re-add.
  • Download Manager: Automated download, install, and update free chart source catalogs.
  • Auto Add Waypoint to selected Route setting.
  • Zoom with trackpad zoom gesture or mouse scroll wheel in common with most map apps.
  • New node locking perpetual license key function.
  • Seamless & Silent upgrade: Your original MacENC (if still installed) preferences automatically imported.


  • RNC display defect on macOS 10.14 (Mojave) fixed.
  • macOS Beep sound on arrow scroll or pan silenced.
  • Updated Help Documentation.


  • Navionics Charts from X-Traverse. (X-Traverse and Fugawi have ceased operation).
  • Explicit support for MapTech proprietary BSB format encrypted Raster Charts.
  • macOS & OS X versions 10.12 and older (Sierra and earlier).

NavStation LLC acquires MacENC!

v 8.75 (092214)

Various Bug Fixes

Last of the 32bit version released. 2015 GPSNavX

v 8.50

View menu

The “Route Up” option will use the bearing of the active waypoint, instead of the GPS “Course Over Ground” for chart orientation, if a waypoint is active.


If the vessel’s AIS transponder provides heading, it can be used to orient the vessel icon. Select “Heading is from”: “Instruments” in MacENC Preferences for “Boat icon”.
In MacENC Preferences, “Request a GRIB file” section, you can check the “Manual” box to manually send the GRIB file request email. When the box is unchecked, the sending is automatic.
The GPS window can be used to display the vessel’s own AIS information. Select “Type”: “IP Only” in the “Parameters” drawer.

In the View menu, if, in addition to the “Centered” option, the “Position> Adapted to the road” option is checked, MacENC centers the map on the active road by adapting the scale proportionally.
In the menu View> Objects “Larger Text” increases the size of text and navaids for Navionics charts.
In the menu View> Objects “Light sectors” activates the display of the colors of the light sectors (Navionics charts).

Improved display of GRIB forecasts containing ocean currents or tidal currents (eg TideTech).

Weather forecast

Addition of an input field in MacENC Preferences to enter the email address allowing you to request GRIB files.

v 8.30

GRIB files

The choice “Ocean currents” in the Weather menu > Request a GRIB file allows you to obtain a file of sea currents and temperatures in 12 hour steps with 120 hours end and a mesh of 0.25 degrees (15 MN). The area covered is 20 ° S to 70 ° N, North Atlantic Ocean from North America to the coasts of Africa / Europe.


The NMEA $ GPRTE sentence containing the active route data is transmitted by the TCP / IP servers (eg to iNavX).
Support for AIS Class B NMEA 2000 receivers.
AIS Class B targets have their position point displayed in magenta.
The determination of IP addresses in the TCP / IP window is established more efficiently.


The Latitude / Longitude of the position clicked on the map is added in the “Objects” tab of the “Navigation” window.

v 8.20


When “Card Limits” is enabled in the View menu, the limits are also displayed in the “Preview” window.

“Shortest approach distance” in “Information” of the “AIS / RADAR” window indicates in real time the distance, the remaining time and the bearing of the target.
The targets selected in the “AIS / RADAR” window will remain so even if the list of targets changes.

More NMEA2000 PGN data is processed.

Bug fixes.

v 8.10

Weather forecast

The Weather> Resolution menu allows you to choose the mesh size of the required GRIB file (0.5 ° – 1.0 ° – 2.0 °).

The “Surface wind (COAMPS)” choice in the Weather> Request a GRIB file provides a high resolution file (0.2 ° mesh) over a period of 48 hours in 6 hour steps for the following three zones:

  • East Pacific: 29N, 60N – 160W, 114W
  • West-Atlantic: 20N, 55N – 093W, 055W
  • Central America and the Caribbean: 00N, 32N – 120W, 060W.

v 8.00

New arrivals

The View> Position menu allows the choice of “Centered” or “Adapted to the route” based on the active route when SOG is greater than 1/2 knot.
Support for NMEA VHW sentence for true and magnetic heading in addition to water speed.
Added 15 and 30 minute intervals for recording tracks.

NMEA 2000 support (Input only / BETA) with the Actisense NGT-1 USB gateway.


Improved “Satellites” graphics of the GPS panel.
The back to previous scale button in the toolbar not only restores the previous zoom scale, but also the previous position.
The “Routes” tab in the Navigation window displays the bearing in addition to the distance and time remaining to waypoints on the active route.
Waypoints from one route can be added to another route by dragging and dropping the route into the other destination route.
If “Connect at launch” is enabled in MacENC Preferences / GPS , standby / waking up does not deactivate any activated waypoint or route.

TCP / IP NMEA Data Client Host: DNS lookup support allowing the entry of server names (eg


v 7.50

New arrivals

When the Annotation tool is selected in the toolbar, an adjacent drop-down menu allows you to choose a freehand drawing or drawing a line.
The [^] button on the toolbar opens a list of waypoints to access. This list contains only the waypoints of the Group selected in the Waypoints window.
If a GPS is connected to MacENC, “Position” in the list will access the GPS position. The [Esc] key is used to close the list.


The Weather panel allows you to choose the data available for the isolines (isobars, isotaches, etc.) in a drop-down box.
The Map Manager displays the full path for each map in a tooltip.
Improved anchor and depth audio alarm.
[Command] + clicking on a waypoint on the map displays it in the Waypoints window. If this waypoint is included in a selected route, it will be displayed in the Routes window.
The level of detail selection slider in the toolbar shows more levels for ENC S-57 charts (if available).
When waypoints, routes or tracks are modified, the red window close button displays a black circle.
“Sounder alarm” in the GPS menu uses sounders from ENC S-57 or Navionics Gold charts, or the depth of water from the sounder if connected.
Long text, in the “Value” field of the Navigation panel’s object table, is also displayed in a tooltip.

v 7.30


“Add to route …” in the contextual menu of the map works with an annotation selected in addition to a selected waypoint:
When an annotation (for example a drawn line connecting different waypoints) is created by the choice from the annotation mode of the toolbar, a right click when the cursor is over this annotation (it then turns into dotted lines) opening the contextual menu, the waypoints which traverse this annotation will be created and added to the chosen route.

The [Command] + [F] keyboard shortcut now opens the Map Manager.


The “Days” and “Interval” submenus of the Request a GRIB file menu allow you to choose the step and the time of the weather forecast.
Clicking on the “C” or “T” symbols on Navionics charts opens Mr. Tides to the stations closest to those symbols.


The GPS> Transmitter function sends by email the position in a Google Maps link in addition to the link to the Maptech Chart Server.

v 7.20


Fixed a bug where “Safe Depth” from the View menu displayed display errors for Meters and Fathoms units.
Fixed a bug where some Navionics charts were not displayed in the “Preview” window.
Fixed a bug where some Solteknik Swedish cards were not calibrated correctly.


The preference “Declination” in MacENC Preferences will be displayed “TRUE” when the option “True bearings” is selected in the View menu.
The “Color” option of the Tracks menu will be applied to any track selected in the “Tracks” window as well as to new tracks.
The maximum number of traces is increased to 25,000 on Intel Macs (eg Macbook and MB Pro).
The “Amount of precipitation” request has been added to the Weather> Request a GRIB file menu.
The own AIS target is now displayed in green in the AIS / RADAR list and on charts.
The combination [Shift] + drag in “Measure” mode
When the anchor alarm is activated, its perimeter is now displayed on the map.

v 7.10


The “Safe Depth” function in the View menu allows you to choose the depth from which the sounding lines are displayed on Navionics charts.
More information for Navionics charts in the “Object” tab of the “Navigation” window.
Improved automatic selection of raster maps.
The “Raster frames” function of the View> Objects menu activates or not the display of raster map frames.


Support for importing Google Earth KMZ files in addition to KML.
The “Type” section of AIS targets in the “Information” window is more complete.

v 7.00


Support for Navionics Gold nautical charts available from
Please note: Navionics charts are not compatible with PowerPC Macs.

COG is always used for the heading vector.


A “Bearing” data field has been added to the AIS / Radar window.
The HDG (Heading) data of the AIS targets displayed will be visible in the Information dialog box of the AIS / Radar window if received.


Routes in GPX files that have unnamed waypoints will be imported with generated names.

The NMEA sentence $ PSILTBS giving a target speed boat will be sent to the port of GPS repeater if the calculator (SailTimer) enabled.
This data can be repeated by the Nexus NX2 instrumentation.

Point, transfer, navigate with X-Traverse

Sharing waypoints, tracks, sea and land charts with iNavX for iPhone and MacENC

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