Start flightgear with fgfs --jsclient=socket,in,,,,udp --prop:/jsclient/axis[i]="/property/you/want/to/control" --prop:/jsclient/axis[i+1]="/another/property/you/want/to/control" ... eg: # fgfs --aircraft=yf23-yasim --airport=KEMT --jsclient=socket,in,5,,16759,udp --prop:/jsclient/axis[0]="/controls/flight/spoilers" --prop:/jsclient/axis[1]="/radios/comm/volume" Start the server on the machine with the remote gameport: JsServer eg: # JsServer 192.168.1.1 16759 (JsServer can be started before or after fgfs)