diff --git a/src/FDM/JSBSim/JSBSim.cxx b/src/FDM/JSBSim/JSBSim.cxx
index 72faca875..07c3b8adf 100644
--- a/src/FDM/JSBSim/JSBSim.cxx
+++ b/src/FDM/JSBSim/JSBSim.cxx
@@ -151,17 +151,35 @@ FGJSBsim::FGJSBsim( double dt )
     stall_warning = fgGetNode("/sim/aero/alarms/stall-warning",true);
     stall_warning->setDoubleValue(0);
     
-    elevator_pos=fgGetNode("/surface-positions/elevator-pos-deg",true);
-    left_aileron_pos=fgGetNode("/surface-positions/left-aileron-pos-deg",true);
-    right_aileron_pos=fgGetNode("/surface-positions/right-aileron-pos-deg",true);
-    rudder_pos=fgGetNode("/surface-positions/rudder-pos-deg",true);
-    flap_pos=fgGetNode("/surface-positions/flap-pos-deg",true);
+    elevator_pos_deg=fgGetNode("/surface-positions/elevator-pos-deg",true);
+    left_aileron_pos_deg
+        =fgGetNode("/surface-positions/left-aileron-pos-deg",true);
+    right_aileron_pos_deg
+        =fgGetNode("/surface-positions/right-aileron-pos-deg",true);
+    rudder_pos_deg=fgGetNode("/surface-positions/rudder-pos-deg",true);
+    flap_pos_deg=fgGetNode("/surface-positions/flap-pos-deg",true);
     
-    elevator_pos->setDoubleValue(0);
-    left_aileron_pos->setDoubleValue(0);
-    right_aileron_pos->setDoubleValue(0);
-    rudder_pos->setDoubleValue(0);
-    flap_pos->setDoubleValue(0);
+    flap_pos_pct=fgGetNode("/surface-positions/flap-pos-pct",true);
+    elevator_pos_pct=fgGetNode("/surface-positions/elevator-pos-pct",true);
+    left_aileron_pos_pct
+        =fgGetNode("/surface-positions/left-aileron-pos-pct",true);
+    right_aileron_pos_pct
+        =fgGetNode("/surface-positions/right-aileron-pos-pct",true);
+    rudder_pos_pct=fgGetNode("/surface-positions/rudder-pos-pct",true);
+    
+    
+    elevator_pos_deg->setDoubleValue(0);
+    left_aileron_pos_deg->setDoubleValue(0);
+    right_aileron_pos_deg->setDoubleValue(0);
+    rudder_pos_deg->setDoubleValue(0);
+    flap_pos_deg->setDoubleValue(0);
+    
+    elevator_pos_pct->setDoubleValue(0);
+    left_aileron_pos_pct->setDoubleValue(0);
+    right_aileron_pos_pct->setDoubleValue(0);
+    rudder_pos_pct->setDoubleValue(0);
+    flap_pos_pct->setDoubleValue(0);
+
 
 }
 /******************************************************************************/
@@ -500,11 +518,17 @@ bool FGJSBsim::copy_from_JSBsim() {
     
     stall_warning->setDoubleValue( Aircraft->GetStallWarn() );
     
-    elevator_pos->setDoubleValue( FCS->GetDePos()*SG_RADIANS_TO_DEGREES );
-    left_aileron_pos->setDoubleValue( FCS->GetDaPos()*SG_RADIANS_TO_DEGREES );
-    right_aileron_pos->setDoubleValue( -1*FCS->GetDaPos()*SG_RADIANS_TO_DEGREES );
-    rudder_pos->setDoubleValue( -1*FCS->GetDrPos()*SG_RADIANS_TO_DEGREES );
-    flap_pos->setDoubleValue( FCS->GetDfPos() );
+    elevator_pos_deg->setDoubleValue( FCS->GetDePos()*SG_RADIANS_TO_DEGREES );
+    left_aileron_pos_deg->setDoubleValue( FCS->GetDaLPos()*SG_RADIANS_TO_DEGREES );
+    right_aileron_pos_deg->setDoubleValue( FCS->GetDaRPos()*SG_RADIANS_TO_DEGREES );
+    rudder_pos_deg->setDoubleValue( -1*FCS->GetDrPos()*SG_RADIANS_TO_DEGREES );
+    flap_pos_deg->setDoubleValue( FCS->GetDfPos() );
+    
+    elevator_pos_pct->setDoubleValue( FCS->GetDePosN() );
+    left_aileron_pos_pct->setDoubleValue( FCS->GetDaLPosN() );
+    right_aileron_pos_pct->setDoubleValue( FCS->GetDaRPosN() );
+    rudder_pos_pct->setDoubleValue( FCS->GetDrPosN() );
+    flap_pos_pct->setDoubleValue( FCS->GetDfPosN() );
 
     
     return true;
diff --git a/src/FDM/JSBSim/JSBSim.hxx b/src/FDM/JSBSim/JSBSim.hxx
index 6179d1896..1cf3dc101 100644
--- a/src/FDM/JSBSim/JSBSim.hxx
+++ b/src/FDM/JSBSim/JSBSim.hxx
@@ -241,11 +241,19 @@ private:
     SGPropertyNode *rudder_trim;
     SGPropertyNode *stall_warning;
     
-    SGPropertyNode *elevator_pos;
-    SGPropertyNode *left_aileron_pos;
-    SGPropertyNode *right_aileron_pos;
-    SGPropertyNode *rudder_pos;
-    SGPropertyNode *flap_pos;
+    SGPropertyNode *elevator_pos_deg;
+    SGPropertyNode *left_aileron_pos_deg;
+    SGPropertyNode *right_aileron_pos_deg;
+    SGPropertyNode *rudder_pos_deg;
+    SGPropertyNode *flap_pos_deg;
+    
+    SGPropertyNode *elevator_pos_pct;
+    SGPropertyNode *left_aileron_pos_pct;
+    SGPropertyNode *right_aileron_pos_pct;
+    SGPropertyNode *rudder_pos_pct;
+    SGPropertyNode *flap_pos_pct;
+    
+    SGPropertyNode *gear_pos_pct;
     
     void init_gear(void);
     void update_gear(void);