# error This library requires C++
#endif
-#include <simgear/misc/props.hxx>
-#include <Main/fgfs.hxx>
+#include <simgear/props/props.hxx>
+#include <simgear/structure/subsystem_mgr.hxx>
#include "gyro.hxx"
* /instrumentation/attitude-indicator/indicated-roll-deg
* /instrumentation/attitude-indicator/tumble-norm
*/
-class AttitudeIndicator : public FGSubsystem
+class AttitudeIndicator : public SGSubsystem
{
public: