diff --git a/public_html/planeObject.js b/public_html/planeObject.js
index 797c5af..318d469 100644
--- a/public_html/planeObject.js
+++ b/public_html/planeObject.js
@@ -326,14 +326,16 @@ PlaneObject.prototype.updateTick = function(receiver_timestamp, last_timestamp)
                 }
 	} else {
                 this.visible = true;
-                if (this.position !== null) {
+                if (this.position !== null && (this.selected || this.seen_pos < 60)) {
 			if (this.updateTrack(receiver_timestamp - last_timestamp + (this.position_from_mlat ? 30 : 5))) {
                                 this.updateLines();
                                 this.updateMarker(true);
                         } else { 
                                 this.updateMarker(false); // didn't move
                         }
-                }
+                } else {
+			this.clearMarker();
+		}
 	}
 };
 
diff --git a/public_html/script.js b/public_html/script.js
index b399bc7..3c99fb6 100644
--- a/public_html/script.js
+++ b/public_html/script.js
@@ -634,10 +634,13 @@ function refreshTableInfo() {
                         TrackedAircraft++;
                         var classes = "plane_table_row";
 
-                        if (tableplane.position_from_mlat)
-                                classes += " mlat";
-			else if (tableplane.position !== null)
-                                classes += " vPosition";
+		        if (tableplane.position !== null && tableplane.seen_pos < 60) {
+                                ++TrackedAircraftPositions;
+                                if (tableplane.position_from_mlat)
+                                        classes += " mlat";
+				else
+                                        classes += " vPosition";
+			}
 			if (tableplane.icao == SelectedPlane)
                                 classes += " selected";
                         
@@ -651,10 +654,6 @@ function refreshTableInfo() {
                         tableplane.tr.cells[2].textContent = (tableplane.squawk !== null ? tableplane.squawk : "");    	                
                         tableplane.tr.cells[3].textContent = format_altitude_brief(tableplane.altitude, tableplane.vert_rate);
                         tableplane.tr.cells[4].textContent = format_speed_brief(tableplane.speed);
-
-                        if (tableplane.position !== null)
-                                ++TrackedAircraftPositions;
-                        
                         tableplane.tr.cells[5].textContent = format_distance_brief(tableplane.sitedist);			
                         tableplane.tr.cells[6].textContent = format_track_brief(tableplane.track);
                         tableplane.tr.cells[7].textContent = tableplane.messages;