SGPropertyNode_ptr _props; // root property tree for this FDM instance
bool _dataLogging;
SGPropertyNode_ptr _wind_north, _wind_east,_wind_down;
SGPropertyNode_ptr _control_fdm_atmo,_temp_degc,_pressure_inhg;
SGPropertyNode_ptr _density_slugft, _data_logging, _replay_master;
SGPropertyNode_ptr _props; // root property tree for this FDM instance
bool _dataLogging;
SGPropertyNode_ptr _wind_north, _wind_east,_wind_down;
SGPropertyNode_ptr _control_fdm_atmo,_temp_degc,_pressure_inhg;
SGPropertyNode_ptr _density_slugft, _data_logging, _replay_master;