The GoFlightMCPro is a piece of hardware that connects to your computer via USB that replicates the Autopilot( or Mode Control Panel/MCP) of a typical jetliner. Looks like this:
FS Commander is an external program that runs alongside FS. According to their website: "FlightSim Commander is a professional flight planner, GPS, Moving Map and navigation tool for Flight Simulator 2004 and Flight Simulator X . Being a stand-alone program, FlightSim Commander can also be used in a network or with single-monitor or multi-monitor systems."
It can be found here:
I fly through the valley of death, but I fear no evil,for I am at 80,000 feet and climbing. Let's powerdive and scare that poor soul in that Ultralight there.