diff --git a/OpenSim/Region/Environment/Scenes/Scene.cs b/OpenSim/Region/Environment/Scenes/Scene.cs
index 89dc13000a..f12fb92bd1 100644
--- a/OpenSim/Region/Environment/Scenes/Scene.cs
+++ b/OpenSim/Region/Environment/Scenes/Scene.cs
@@ -1964,7 +1964,23 @@ namespace OpenSim.Region.Environment.Scenes
         {
             m_eventManager.TriggerOnPluginConsole(args);
         }
-
+        public double GetLandHeight(int x, int y)
+        {
+            return Terrain.GetHeight(x, y);
+        }
+        public LLUUID GetLandOwner(float x, float y)
+        {
+            Land land = LandManager.getLandObject(x, y);
+            if (land == null)
+            {
+                return LLUUID.Zero;
+            }
+            else
+            {
+                return land.landData.ownerID;
+            }
+        }
+    
         #endregion
 
         #region Script Engine
diff --git a/OpenSim/Region/Environment/Scenes/SceneObjectPart.cs b/OpenSim/Region/Environment/Scenes/SceneObjectPart.cs
index 5398de0f09..66fc53c646 100644
--- a/OpenSim/Region/Environment/Scenes/SceneObjectPart.cs
+++ b/OpenSim/Region/Environment/Scenes/SceneObjectPart.cs
@@ -1225,6 +1225,22 @@ namespace OpenSim.Region.Environment.Scenes
 
         #endregion
 
+        #region Physics
+
+        public float GetMass()
+        {
+            if (PhysActor != null)
+            {
+                return PhysActor.Mass;
+            }
+            else
+            {
+                return 0;
+            }
+        }
+
+        #endregion
+
         #region Texture
 
         /// <summary>
diff --git a/OpenSim/Region/ScriptEngine/DotNetEngine/Compiler/Server_API/LSL_BuiltIn_Commands.cs b/OpenSim/Region/ScriptEngine/DotNetEngine/Compiler/Server_API/LSL_BuiltIn_Commands.cs
index a0cd43a3ad..909b4e3a19 100644
--- a/OpenSim/Region/ScriptEngine/DotNetEngine/Compiler/Server_API/LSL_BuiltIn_Commands.cs
+++ b/OpenSim/Region/ScriptEngine/DotNetEngine/Compiler/Server_API/LSL_BuiltIn_Commands.cs
@@ -410,8 +410,9 @@ namespace OpenSim.Region.ScriptEngine.DotNetEngine.Compiler
 
         public double llGround(LSL_Types.Vector3 offset)
         {
-            NotImplemented("llGround");
-            return 0;
+            int x = (int)(m_host.AbsolutePosition.X + offset.x);
+            int y = (int)(m_host.AbsolutePosition.Y + offset.y);
+            return World.GetLandHeight(x, y);
         }
 
         public double llCloud(LSL_Types.Vector3 offset)
@@ -824,8 +825,7 @@ namespace OpenSim.Region.ScriptEngine.DotNetEngine.Compiler
 
         public LSL_Types.Vector3 llGetVel()
         {
-            NotImplemented("llGetVel");
-            return new LSL_Types.Vector3();
+            return new LSL_Types.Vector3(m_host.Velocity.X, m_host.Velocity.Y, m_host.Velocity.Z);
         }
 
         public LSL_Types.Vector3 llGetAccel()
@@ -993,8 +993,7 @@ namespace OpenSim.Region.ScriptEngine.DotNetEngine.Compiler
 
         public double llGetMass()
         {
-            NotImplemented("llGetMass");
-            return 0;
+            return m_host.GetMass();
         }
 
         public void llCollisionFilter(string name, string id, int accept)
@@ -1922,8 +1921,7 @@ namespace OpenSim.Region.ScriptEngine.DotNetEngine.Compiler
 
         public string llGetLandOwnerAt(LSL_Types.Vector3 pos)
         {
-            NotImplemented("llGetLandOwnerAt");
-            return "";
+            return World.GetLandOwner((float)pos.x, (float)pos.y).ToString();
         }
 
         public string llGetNotecardLine(string name, int line)