diff --git a/Nasal/MFD/MFD_main.nas b/Nasal/MFD/MFD_main.nas
index b5024bc2..fb0f1681 100644
--- a/Nasal/MFD/MFD_main.nas
+++ b/Nasal/MFD/MFD_main.nas
@@ -4679,10 +4679,6 @@ var MFD_Device =
                 return;
             #print("\nHAD update:\n=======");
 
-            # make sure it can maddog
-            # filters for table
-            # when having 2 HAS displays, sensor might get table confused, and check for other issues.
-            # test
             me.harmSelected = 0;
             if (pylons.fcs != nil) {
                 me.radWeap = pylons.fcs.getSelectedWeapon();
@@ -4746,8 +4742,6 @@ var MFD_Device =
                 f16.resetSlew();
             }
 
-            me.dt = noti.getproper("elapsed") - me.elapsed;
-
             if (me.IMSOI) {
                 if ((me.slew_x != 0 or me.slew_y != 0 or slew_c != 0) and (cursor_lock == -1 or cursor_lock == me.root.index) and noti.getproper("viewName") != "TGP" and me.sensor.handoffTarget == nil) {
                     cursor_destination = nil;
@@ -4837,7 +4831,7 @@ var MFD_Device =
                 }
             }
             if (me.sensor.enabled) {
-                me.cycleTimeLeft = math.max(0,me.sensor.dura-(systime()-me.sensor.searchStart));
+                me.cycleTimeLeft = math.max(0,me.sensor.dura-(me.elapsed-me.sensor.searchStart));
                 me.root.searchText.setText(sprintf("%d:%02d   SCT-%d",(me.cycleTimeLeft)/60, math.mod(me.cycleTimeLeft,60),me.sensor.searchCounter));
                 me.root.searchText.show();
             } else {
@@ -4849,7 +4843,7 @@ var MFD_Device =
 
             if (me.harmSelected and me.sensor.handoffTarget != nil and me.radWeap.status < armament.MISSILE_LOCK) {
                 # This makes sure we go from handover back to search when missile loses lock
-                if (systime()-me.sensor.handoffTime > 1) {
+                if (me.elapsed-me.sensor.handoffTime > 1) {
                     # It had time to get lock, but failed or masterarm was off
                     me.radWeap.setContacts([]);
                     me.sensor.handoffTarget = nil;
@@ -4928,7 +4922,7 @@ var MFD_Device =
                 me.clickableItems = [];
                 for (me.txt_count = 0; me.txt_count < 5; me.txt_count += 1) {
                     me.check = !(me.txt_count > me.iter);
-                    me.checkFresh = me.check and me.items[me.txt_count].discover < systime()-me.sensor.searchStart and me.items[me.txt_count].discoverSCT==me.sensor.searchCounter;
+                    me.checkFresh = me.check and me.items[me.txt_count].discover < me.elapsed-me.sensor.searchStart and me.items[me.txt_count].discoverSCT==me.sensor.searchCounter;
                     me.checkFading = me.check and me.items[me.txt_count]["discoverSCTShown"] == me.sensor.searchCounter-1;
                     #if (me.check) print(" fresh ",me.checkFresh,", fading ",me.checkFading, ", timetoshow ", me.items[me.txt_count].discover);
                     #if (me.check) print("  time ",me.items[me.txt_count].discover > systime()-me.sensor.searchStart,",  shown ",me.items[me.txt_count].discoverSCT," now",me.sensor.searchCounter);
@@ -4956,7 +4950,7 @@ var MFD_Device =
                 if (cursor_click == me.root.index) {
                     me.handoffTarget = me.click(me.clickableItems);
                     if (me.handoffTarget != nil) {
-                        me.sensor.handoffTime = systime();
+                        me.sensor.handoffTime = me.elapsed;
                         me.sensor.handoffTarget = me.handoffTarget;
                         #print("MFD: Clicked handoff on ",!cursor_click?"LEFT":"RIGHT");#TODO: need right display
                     }
diff --git a/Nasal/radar/apg-68.nas b/Nasal/radar/apg-68.nas
index 2779320d..56831106 100644
--- a/Nasal/radar/apg-68.nas
+++ b/Nasal/radar/apg-68.nas
@@ -2672,7 +2672,7 @@ var RadSensor = {
         	me.timing = math.min(5, me.timing);
         	me.timer.restart(me.timing);
 			me.timer.start();
-			me.searchStart = systime();
+			me.searchStart = elapsedProp.getValue();
 
 			#print("setEnabled again");
 		} elsif (!e) {
@@ -2682,7 +2682,7 @@ var RadSensor = {
 	},
 	reset: func {
 		me.searchTime = 0;
-		me.searchStart = systime();
+		me.searchStart = elapsedProp.getValue();
 		foreach(me.seen;me.vector_aicontacts_seen) {
     		me.seen.discover = 0;
     		me.seen.discoverSCT = -2;
@@ -2701,11 +2701,12 @@ var RadSensor = {
             me.vector_aicontacts_seen = [];
             return;
         }
+        me.elapsed = elapsedProp.getValue();
         
-        me.searchTime = systime()-me.searchStart;
+        me.searchTime = me.elapsed-me.searchStart;
         if (me.searchTime > me.dura) {
         	me.index = -1;
-        	me.searchStart = systime();
+        	me.searchStart = me.elapsed;
         	me.searchCounter += 1;
         	me.searchTime = 0;
         	#print("finished search");