diff --git a/html/planeObject.js b/html/planeObject.js
index 555e8bd..d753c95 100644
--- a/html/planeObject.js
+++ b/html/planeObject.js
@@ -2715,7 +2715,7 @@ PlaneObject.prototype.checkVisible = function() {
 
 
     return (!globeIndex || this.inView || this.selected || SelectedAllPlanes) && (
-        (!globeIndex && this.seen < (58 - tisbReduction + jaeroTime + refreshInt()))
+        (!globeIndex && this.seen < (58 - tisbReduction + jaeroTime + refreshInt() / 1000))
         || (globeIndex && this.seen_pos < (40 + jaeroTime + mlatTime + modeSTime - tisbReduction + refreshInt()) && now - this.last_info_server < noInfoTimeout)
         || this.selected
         || noVanish
diff --git a/html/script.js b/html/script.js
index 2dfe180..4867bfc 100644
--- a/html/script.js
+++ b/html/script.js
@@ -5226,8 +5226,8 @@ function mapRefresh(redraw) {
     } else {
         for (let i in g.planesOrdered) {
             const plane = g.planesOrdered[i];
-            addToMap.push(plane);
             delete plane.glMarker;
+            addToMap.push(plane);
         }
     }