The ultimate add-on that's virtually an upgrade to FSX and FS9. Crew coordination, interactive checklist, ATC voice interaction, total voice control for Flight Simulator. With a fully working demo available for download...hmmm sounds good!
Award winning add-on to both FSX and FS2004 known as Multi Crew Experience.
MCE is a speech based add-on that allows the flight simulator enthusiasts to fly the heavies in a far more realistic way.
You can give verbal commands to co-pilot, and see them executed
You can go through the checklist interactively, like real pilots do.
You can also interact with FS bult-in ATC by voice. This is a serious alternative to VoxATC.
A fully working, time limited demo, is available for download at this site: