#include <simgear/misc/commands.hxx>
#include <Environment/environment_mgr.hxx>
+#include <Instrumentation/instrument_mgr.hxx>
+#include <Systems/system_mgr.hxx>
#include "globals.hxx"
#include "viewmgr.hxx"
warp( 0 ),
warp_delta( 0 ),
logger(0),
+ systemmgr(new FGSystemMgr),
+ instrumentmgr(new FGInstrumentMgr),
props(new SGPropertyNode),
initial_state(0),
commands(new SGCommandMgr),