diff --git a/src/Network/lfsglass.cxx b/src/Network/lfsglass.cxx
index ea6768992..d1e39d06d 100644
--- a/src/Network/lfsglass.cxx
+++ b/src/Network/lfsglass.cxx
@@ -37,7 +37,8 @@
 #include <vector>
 
 #include "lfsglass.hxx"
-#include <FDM/flight.hxx>
+#include <FDM/flightProperties.hxx>
+
 #include <Main/globals.hxx>
 #include <Main/fg_props.hxx>
 
@@ -127,9 +128,11 @@ bool FGLFSGlass::open() {
 }
 
 //static void collect_data( const FGInterface *fdm, ogcFGData *data ) {
-void FGLFSGlass::collect_data( const FGInterface *fdm, FGLFSGlassData *data ) {
+void FGLFSGlass::collect_data(FGLFSGlassData *data ) {
     data->version_id = OGC_VERSION;
     
+    FlightProperties fdm_state;
+
     data->longitude = p_longitude->getDoubleValue();   
     data->latitude = p_latitude->getDoubleValue();
     data->elevation = p_elev_node->getDoubleValue();
@@ -143,16 +146,16 @@ void FGLFSGlass::collect_data( const FGInterface *fdm, FGLFSGlassData *data ) {
    
     data->vvi = p_vvi->getDoubleValue();
     data->mach = p_mach->getDoubleValue();
-    data->groundspeed = cur_fdm_state->get_V_ground_speed();
-    data->v_keas = cur_fdm_state->get_V_equiv_kts();
+    data->groundspeed = fdm_state.get_V_ground_speed();
+    data->v_keas = fdm_state.get_V_equiv_kts();
     data->v_kcas = vel_kcas->getDoubleValue();
  
 
-    data->phi_dot = cur_fdm_state->get_Phi_dot();
-    data->theta_dot = cur_fdm_state->get_Theta_dot();
-    data->psi_dot = cur_fdm_state->get_Psi_dot();
+    data->phi_dot = fdm_state.get_Phi_dot();
+    data->theta_dot = fdm_state.get_Theta_dot();
+    data->psi_dot = fdm_state.get_Psi_dot();
 
-    data->alpha = cur_fdm_state->get_Alpha();
+    data->alpha = fdm_state.get_Alpha();
     data->beta = p_yaw->getDoubleValue();
     data->alpha_dot = p_alphadot->getDoubleValue();
     data->beta_dot = p_yaw_rate->getDoubleValue();
@@ -271,9 +274,9 @@ void FGLFSGlass::collect_data( const FGInterface *fdm, FGLFSGlassData *data ) {
 		data->x_feed_valve[2] = x_feed2_node->getBoolValue(); 
 		data->x_feed_valve[3] = x_feed3_node->getBoolValue(); 
 		**********/			
-    data->total_temperature = cur_fdm_state->get_Total_temperature();
-    data->total_pressure = cur_fdm_state->get_Total_pressure();
-    data->dynamic_pressure = cur_fdm_state->get_Dynamic_pressure();
+    data->total_temperature = fdm_state.get_Total_temperature();
+    data->total_pressure = fdm_state.get_Total_pressure();
+    data->dynamic_pressure = fdm_state.get_Dynamic_pressure();
     
     data->static_pressure = press_node->getDoubleValue();
     data->static_temperature = temp_node->getDoubleValue();
@@ -282,7 +285,7 @@ void FGLFSGlass::collect_data( const FGInterface *fdm, FGLFSGlassData *data ) {
     data->sea_level_pressure = fgGetDouble("/environment/sea-level-pressure-inhg");
 }
 
-static void distribute_data( const FGLFSGlassData *data, FGInterface *chunk ) {
+static void distribute_data( const FGLFSGlassData *data) {
     // just a place holder until the CDU is developed
 	
 }
@@ -293,7 +296,7 @@ bool FGLFSGlass::process() {
     int length = sizeof(buf);
 
     if ( get_direction() == SG_IO_OUT ) {
-        collect_data( cur_fdm_state, &buf );
+        collect_data(&buf );
 	//collect_data( &buf );
 	if ( ! io->write( (char *)(& buf), length ) ) {
 	    SG_LOG( SG_IO, SG_ALERT, "Error writing data." );
@@ -303,12 +306,12 @@ bool FGLFSGlass::process() {
 	if ( io->get_type() == sgFileType ) {
 	    if ( io->read( (char *)(& buf), length ) == length ) {
 		SG_LOG( SG_IO, SG_DEBUG, "Success reading data." );
-		distribute_data( &buf, cur_fdm_state );
+		distribute_data( &buf);
 	    }
 	} else {
 	    while ( io->read( (char *)(& buf), length ) == length ) {
 		SG_LOG( SG_IO, SG_DEBUG, "Success reading data." );
-		distribute_data( &buf, cur_fdm_state );
+		distribute_data( &buf);
 	    }
 	}
     }
diff --git a/src/Network/lfsglass.hxx b/src/Network/lfsglass.hxx
index c3c727656..6844ed378 100644
--- a/src/Network/lfsglass.hxx
+++ b/src/Network/lfsglass.hxx
@@ -30,13 +30,12 @@
 
 #include <string>
 
-#include <FDM/flight.hxx>
 #include <Main/fg_props.hxx>
 
 #include "protocol.hxx"
 #include "lfsglass_data.hxx"
 
-class FGLFSGlass : public FGProtocol, public FGInterface {
+class FGLFSGlass : public FGProtocol {
 
     FGLFSGlassData buf;
     int length;
@@ -155,7 +154,7 @@ public:
     // close the channel
     bool close();
 
-    void collect_data( const FGInterface *fdm, FGLFSGlassData *data );
+    void collect_data(FGLFSGlassData *data );
 };
 
 #endif // _FG_LFSGlass_HXX