Flight Simulator Connection Connecting to a Flight Simulator

The setup procedure is different for remote connections and local connections to a flight simulator.

Little Navmap can connect directly if all programs are run on the same computer. The Little Navconnect agent is needed if Little Navmap is run on a remote computer.

Local Connection

  1. Open the connection dialog in Little Navmap by selecting Main Menu -> Tools -> Flight Simulator Connection.

    Little Navmap Connect Dialog

    Picture above: Little Navmap connect dialog set up for a local connection that is manually established.

  2. Select Connect directly to local Flight Simulator.

  3. Click Connect. The dialog will close and Little Navmap will try to establish a connection in the background.

Click Close to save all changes and close the dialog without establishing a connection.

Enable Connect automatically if you do not want to connect manually. The start order of programs does not matter if this is checked and Little Navmap will find the simulator once it is started or when it is already running. This is a recommended setting.

Deselect Fetch AI or multiplayer aircraft or Fetch AI or multiplayer ships to disable the transfer of this information to the program. This can be useful for performance reasons if you use large amounts of AI but do not want to see it in Little Navmap.

Remote Connection

User aircraft and weather information is transferred to Little Navmap on a remote computer by using the Little Navconnect agent on the flying computer which saves the error prone and tedious setup of a remote SimConnect connection.

You have to extract the ZIP archive that contains littlenavmap.exe and littlenavconnect.exe on both computers. Then load the scenery database on the flying computer and copy the database over to the remote computer. See Running without Flight Simulator Installation for details.

Make sure that the major versions of Little Navmap and Little Navconnect match, otherwise you might get an error message. Little Navmap 1.0.5 is compatible with Little Navconnect 1.0.2 but not with 1.2 for example.

Start Little Navconnect on the Flying Computer

Little Navconnect is bundled together with the Little Navmap download archive. Start Little Navconnect (littlenavconnect.exe) on the flying computer and take note of the message that is printed in the logging window. You only need the colored values which tell you the name and address of the flying computer. You can use the IP address or the hostname.

Little Navconnect can print multiple IP addresses or hostnames depending on your network configuration. This can happen if you have Ethernet plugged in and are connected using wireless LAN too, for example. You have to try if you are unsure which one to use. Also make sure to set up the Windows firewall properly to allow communication between littlenavmap.exe and littlenavconnect.exe on both computers.

Little Navconnect

Picture above: Little Navconnect is running and waiting for a Flight Simulator. It is running on the computer flyingcomputer with the IP address 192.168.2.13.

Change the port in Little Navconnect's Options dialog if you see an error message like shown below:

[2016-07-27 16:45:35] Unable to start the server: The bound address is already in use.

Start Little Navmap on the Client / Remote Computer

Open the connection dialog in Little Navmap by selecting Main Menu -> Tools -> Flight Simulator Connection. Little Navmap Connect Dialog Picture above: Connect dialog with correct values to access the Little Navconnect shown above.

Now do the following after opening the dialog:

  1. Select Connect to a remote Flight Simulator.
  2. Add the value for hostname. This can be either the hostname or the IP address printed by Little Navconnect.
  3. Check the value for the port. 51968 is the default value and does not need to be changed usually.
  4. Click connect. The dialog will close and Little Navmap will try to establish a connection in the background.

Establishing a connection can take some time, depending on your network. The aircraft will show up on the map and on the Simulator Aircraft dock window once a flight is set up and loaded on the simulator. You will see the message Connected. Waiting for update. in the Simulator Aircraft dock window if no flight is loaded yet (i.e. the simulator still shows the opening screen).

Note that it sometimes can take a while until an error is shown if you used the wrong values for hostname or port.

Selecting Connect automatically is recommended. The start order of all three programs (simulator, Little Navconnect and Little Navmap) does not matter if this is checked and the programs will find each other.

Deselect Fetch AI or multiplayer aircraft or Fetch AI or multiplayer ships in Tools -> Options of Little Navconnect to disable the transfer of this information across the network. This can be useful for performance reasons if you use large amounts of AI but do not want to see it in Little Navmap.

Connect Dialog Options

  • Disconnect: Disconnects the current session and stops automatic reconnect.
  • Connect: Tries to connect. An error dialog will be shown if no connection can be established. Little Navmap will constantly try again if Connect automatically is enabled.
  • Close: Closes the dialog without any changes to the current connection status.
  • Connect automatically: Little Navmap will try to connect constantly if this is enabled. This is the recommended setting.
    • All connection attempts will stop immediately if you deselect this button.
    • You have to click Connect to start the automatic connection attempts after checking this button.
  • Update Time Interval: Allowed range is 50 milliseconds up to 1 second. Little Navmap fetches data from Flight Simulator using this time interval. Increase this value if you experience stutters or lag in the simulator. A lower value will result in more fluid map updates in Little Navmap.
  • Fetch AI or multiplayer aircraft and Fetch AI or multiplayer ships: Disables fetching of AI vehicles. These settings are applied immediately.

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