Record and playback your flights, are you sure you can already do this with the built-in feature of Flight Simulator ? Try the freeware FS Recorder and change your mind.
New in beta 2:
– marker actions are now also triggered at playback speeds higher than 10x
– save panning mode (manual/automatic) for free spot cameras
– fixed a bug in menu selection of FS2004 default views
– fixed an old bug sometimes affecting aircraft selection in the advanced play dialog
– FRC converter: added chapter point option for sound/text/pause markers
– removed dependency of FRC converter application on Visual C++ 2008 runtime