Index: AIGroundVehicle.cxx
===================================================================
RCS file: /var/cvs/FlightGear-0.9/source/src/AIModel/AIGroundVehicle.cxx,v
retrieving revision 1.1
diff -u -r1.1 AIGroundVehicle.cxx
--- AIGroundVehicle.cxx	25 Aug 2009 10:53:51 -0000	1.1
+++ AIGroundVehicle.cxx	9 Sep 2009 23:43:26 -0000
@@ -286,7 +286,7 @@
 
 bool FGAIGroundVehicle::getGroundElev(SGGeod inpos) {
 
-    if (globals->get_scenery()->get_elevation_m(SGGeod::fromGeodM(inpos, 10000),
+    if (globals->get_scenery()->get_elevation_m(SGGeod::fromGeodM(inpos, _elevation_m),
         _elevation_m, &_material)){
             _ht_agl_ft = pos.getElevationFt() - _elevation_m * SG_METER_TO_FEET;
 
@@ -338,7 +338,7 @@
     double elev_front = 0;
     double elev_rear = 0;
 
-    if (globals->get_scenery()->get_elevation_m(SGGeod::fromGeodM(geodFront, 10000),
+    if (globals->get_scenery()->get_elevation_m(SGGeod::fromGeodM(geodFront, _elevation_m),
         elev_front, &_material)){
 
             front_elev_m = elev_front;
@@ -350,7 +350,7 @@
     } else
         return false;
 
-    if (globals->get_scenery()->get_elevation_m(SGGeod::fromGeodM(geodRear, 10000),
+    if (globals->get_scenery()->get_elevation_m(SGGeod::fromGeodM(geodRear, _elevation_m),
         elev_rear, &_material)){
             rear_elev_m = elev_rear;
             //if (_material) {