I have a simple update to Protocol/playback.xml. It
improves on the existing version by recording flight
control surface, airspeed, engine RPM and gear status.
It makes for quite nice demoes, though I've only
really tested it with the C172, Hunter and Concorde.
output format for black-box data flight data. This configuration
does not work directly since there is no FDM available that reads
the accelerations from the property tree and translates them into
actual lat/lon positions.