diff --git a/src/Scenery/scenery.cxx b/src/Scenery/scenery.cxx
index 73d0b7f46..6b4edc0e8 100644
--- a/src/Scenery/scenery.cxx
+++ b/src/Scenery/scenery.cxx
@@ -437,9 +437,13 @@ bool FGScenery::scenery_available(const SGGeod& position, double range_m)
     // while the splashscreen is there, so CheckSceneryVisitor force-loads
     // missing objects in the main thread
     get_scene_graph()->accept(csnv);
-    if(!csnv.isLoaded())
+    if(!csnv.isLoaded()) {
+        SG_LOG(SG_TERRAIN, SG_DEBUG, "FGScenery::scenery_available: waiting on CheckSceneryVisitor");
         return false;
+    }
     return true;
+  } else {
+    SG_LOG(SG_TERRAIN, SG_DEBUG, "FGScenery::scenery_available: waiting on tile manager");
   }
   return false;
 }
diff --git a/src/Scenery/tilemgr.cxx b/src/Scenery/tilemgr.cxx
index b5cfa3c6f..ab7e30ec5 100644
--- a/src/Scenery/tilemgr.cxx
+++ b/src/Scenery/tilemgr.cxx
@@ -501,8 +501,10 @@ bool FGTileMgr::schedule_scenery(const SGGeod& position, double range_m, double
     SGBucket bucket(position);
     available = sched_tile( bucket, priority, false, duration );
   
-    if ((!available)&&(duration==0.0))
+    if ((!available)&&(duration==0.0)) {
+        SG_LOG( SG_TERRAIN, SG_DEBUG, "schedule_scenery: Scheduling tile at bucket:" << bucket << " return false" );
         return false;
+    }
 
     SGVec3d cartPos = SGVec3d::fromGeod(position);