Index: MainWindow.cs
===================================================================
--- MainWindow.cs   (revision 6407)
+++ MainWindow.cs   (working copy)
@@ -1692,6 +1692,24 @@
             }
         }

+        private void DetectStateOfTaxiway(ToolStripMenuItem toolStripMenuItem)
+        {
+            toolStripMenuItem.Visible = false;
+            var node = projectTreeView.SelectedNode;
+            if (node == null)
+                return;
+            var cat = GetCategoryByTreeNode(node.Parent);
+            if (cat == null)
+                return;
+            if (!(cat is AirfieldCategory))
+                return;
+            var index = node.Parent.Nodes.IndexOf(node);
+            var item = GetCategoryByTreeNode(node.Parent).items[index] as AirfieldItem;
+            if (!(item.PathType != AirfieldItem.Type.Taxiways))
+                return;
+            toolStripMenuItem.Visible = true;
+        }
+
         private void DetectRemoveState(ToolStripMenuItem toolStripMenuItem)
         {
             toolStripMenuItem.Enabled = isRemovableNode(projectTreeView.SelectedNode);
@@ -2658,6 +2676,7 @@
             DetectStateOfOffshoreStrip(offshore_contextMenuStrip);
             DetectStateOfAssign(assignToolStripMenuItem);
             DetectStateOfAssign(newOffshoreFile_toolStripMenuItem);
+            DetectStateOfTaxiway(viewTaxiwaysToolStripMenuItem);
             DetectRemoveState(removeToolStripMenuItem);
             DetectStateOfExcludeFromBuild(excludeFromBuildOffshoreToolStripMenuItem);
             DetectStateOfViewDumpReferences(node, toolStripSeparator37, viewReferences_offshore_ToolStripMenuItem,