# error This library requires C++
#endif
-#include <simgear/misc/props.hxx>
+#include <simgear/props/props.hxx>
+
#include <Main/fgfs.hxx>
* /instrumentation/airspeed-indicator/serviceable
* /systems/pitot[0]/total-pressure-inhg
* /systems/static[0]/pressure-inhg
+ * /environment/density-slugft3
*
* Output properties:
*
SGPropertyNode_ptr _serviceable_node;
SGPropertyNode_ptr _total_pressure_node;
SGPropertyNode_ptr _static_pressure_node;
+ SGPropertyNode_ptr _density_node;
SGPropertyNode_ptr _speed_node;
};