diff --git a/src/Network/net_fdm.hxx b/src/Network/net_fdm.hxx
index b1436e845..ad7bbda06 100644
--- a/src/Network/net_fdm.hxx
+++ b/src/Network/net_fdm.hxx
@@ -30,7 +30,7 @@
 # error This library requires C++
 #endif                                   
 
-const int FG_NET_FDM_VERSION = 0x0004;
+const int FG_NET_FDM_VERSION = 5;
 
 // Define a structure containing the top level flight dynamics model
 // parameters
@@ -55,9 +55,17 @@ public:
     double psi;			// yaw or true heading (radians)
 
     // Velocities
+    double phidot;		// roll rate (radians/sec)
+    double thetadot;		// pitch rate (radians/sec)
+    double psidot;		// yaw rate (radians/sec)
     double vcas;		// calibrated airspeed
     double climb_rate;		// feet per second
 
+    // Accelerations
+    double A_X_pilot;		// X accel in body frame ft/sec^2
+    double A_Y_pilot;		// Y accel in body frame ft/sec^2
+    double A_Z_pilot;		// Z accel in body frame ft/sec^2
+
     // Environment
     time_t cur_time;            // current unix time
     long int warp;              // offset in seconds to unix time
diff --git a/src/Network/raw_ctrls.hxx b/src/Network/raw_ctrls.hxx
index bba3c36d9..001a21b59 100644
--- a/src/Network/raw_ctrls.hxx
+++ b/src/Network/raw_ctrls.hxx
@@ -30,7 +30,7 @@
 # error This library requires C++
 #endif                                   
 
-const int FG_RAW_CTRLS_VERSION = 3;
+const int FG_RAW_CTRLS_VERSION = 4;
 
 const int FG_MAX_ENGINES = 4;
 const int FG_MAX_WHEELS = 3;
@@ -58,6 +58,8 @@ public:
 
     // Other interesting/useful values
     double hground;		         // ground elevation (meters)
+    double magvar;		         // local magnetic variation in degrees.
+    int speedup;		         // integer speedup multiplier
 };