diff --git a/Models/Instruments/PFD/PFD.nas b/Models/Instruments/PFD/PFD.nas
index c4be2e40..942ea28c 100644
--- a/Models/Instruments/PFD/PFD.nas
+++ b/Models/Instruments/PFD/PFD.nas
@@ -167,6 +167,7 @@ var altFlash1 = props.globals.initNode("/instrumentation/pfd/flash-indicators/al
 var altFlash2 = props.globals.initNode("/instrumentation/pfd/flash-indicators/alt-flash-2", 0, "BOOL");
 var amberFlash1 = props.globals.initNode("/instrumentation/pfd/flash-indicators/amber-flash-1", 0, "BOOL");
 var amberFlash2 = props.globals.initNode("/instrumentation/pfd/flash-indicators/amber-flash-2", 0, "BOOL");
+var dhFlash = props.globals.initNode("/instrumentation/pfd/flash-indicators/dh-flash", 0, "BOOL");
 
 var canvas_PFD_base = {
 	init: func(canvas_group, file) {
@@ -754,58 +755,119 @@ var canvas_PFD_base = {
 		
 		me["AI_agl"].setText(sprintf("%s", math.round(math.clamp(gear_agl_cur, 0, 2500))));
 		
-		if (gear_agl_cur <= 2500) {
-			me["AI_agl"].show();
-			me["FMA_dh_box"].hide(); #not implemented
-			me["dhReached"].hide(); #not implemented
-			if (getprop("FMGC/internal/radio") != -1) {
-				me["FMA_dh"].setText("DH");
-				me["FMA_dh"].show();
-				me["FMA_dhn"].setText(sprintf("%.0f", getprop("FMGC/internal/radio")));
-				me["FMA_dhn"].show();
-				me["FMA_nodh"].hide();
-				if (gear_agl_cur <= getprop("FMGC/internal/radio") + 100) {
-					me["AI_agl"].setColor(0.7333,0.3803,0);
-				} else {
-					me["AI_agl"].setColor(0.0509,0.7529,0.2941);
-				}
-			} else if (getprop("FMGC/internal/baro") != -1) {
-				me["FMA_dh"].setText("MDA");
-				me["FMA_dh"].show();
-				me["FMA_dhn"].setText(sprintf("%.0f", getprop("FMGC/internal/radio")));
-				me["FMA_dhn"].show();
-				me["FMA_nodh"].hide();
-				if (gear_agl_cur <= getprop("FMGC/internal/baro") + 100) {
-					me["AI_agl"].setColor(0.7333,0.3803,0);
-				} else {
-					me["AI_agl"].setColor(0.0509,0.7529,0.2941);
-				}
-			} else if (getprop("FMGC/internal/radio-no")) {
-				me["FMA_dh"].setText("DH");
-				me["FMA_dh"].show();
-				me["FMA_dhn"].setText("100");
-				me["FMA_dhn"].show();
-				me["FMA_nodh"].hide();
-				if (gear_agl_cur <= 100) {
+		if (FMGCphase.getValue() < 3) {
+			me["FMA_dh_box"].hide();
+			me["FMA_dh"].hide();
+			me["FMA_dhn"].hide();
+			me["FMA_nodh"].hide();
+			me["dhReached"].hide();
+			if (gear_agl_cur <= 2500) {
+				me["AI_agl"].show();
+				if (gear_agl_cur <= decision.getValue()) {
 					me["AI_agl"].setColor(0.7333,0.3803,0);
 				} else {
 					me["AI_agl"].setColor(0.0509,0.7529,0.2941);
 				}
 			} else {
-				me["FMA_dh"].hide();
-				me["FMA_dhn"].hide();
-				me["FMA_nodh"].show();
-				if (gear_agl_cur <= 400) {
-					me["AI_agl"].setColor(0.7333,0.3803,0);
-				} else {
-					me["AI_agl"].setColor(0.0509,0.7529,0.2941);
-				}
+				me["AI_agl"].hide();
 			}
 		} else {
-			me["AI_agl"].hide();
-			me["FMA_nodh"].hide();
-			me["FMA_dh_box"].hide();
-			me["dhReached"].hide();
+			if (gear_agl_cur <= 2500) {
+				me["AI_agl"].show();
+				me["FMA_dh_box"].hide(); #not implemented
+				if (getprop("FMGC/internal/radio") != -1) {
+					me["FMA_dh"].setText("DH");
+					me["FMA_dh"].show();
+					me["FMA_dhn"].setText(sprintf("%.0f", getprop("FMGC/internal/radio")));
+					me["FMA_dhn"].show();
+					me["FMA_nodh"].hide();
+					if (gear_agl_cur <= getprop("FMGC/internal/radio") + 100) {
+						me["AI_agl"].setColor(0.7333,0.3803,0);
+					} else {
+						me["AI_agl"].setColor(0.0509,0.7529,0.2941);
+					}
+					me["dhReached"].hide();
+					# if (gear_agl_cur <= getprop("FMGC/internal/radio")) {
+# 						if (dh_going == 0) {
+# 							dh_going = 1;
+# 						}
+# 						if (dh_going == 1) {
+# 							dhTimer.start();
+# 							if (dhFlash.getValue() == 1) {
+# 								me["dhReached"].show();
+# 							} else {
+# 								me["dhReached"].hide();
+# 							}
+# 						}
+# 						if (dh_going == -1) {
+# 							me["dhReached"].show();
+# 						}
+# 					} else {
+# 						dhTimer.stop();
+# 						dh_going = 0;
+# 						me["dhReached"].hide();
+# 					}
+				} else if (getprop("FMGC/internal/baro") != -1) {
+					me["FMA_dh"].setText("MDA");
+					me["FMA_dh"].show();
+					me["FMA_dhn"].setText(sprintf("%.0f", getprop("FMGC/internal/radio")));
+					me["FMA_dhn"].show();
+					me["FMA_nodh"].hide();
+					if (gear_agl_cur <= getprop("FMGC/internal/baro") + 100) {
+						me["AI_agl"].setColor(0.7333,0.3803,0);
+					} else {
+						me["AI_agl"].setColor(0.0509,0.7529,0.2941);
+					}
+					me["dhReached"].hide();
+				} else if (getprop("FMGC/internal/radio-no")) {
+					me["FMA_dh"].setText("DH");
+					me["FMA_dh"].show();
+					me["FMA_dhn"].setText("100");
+					me["FMA_dhn"].show();
+					me["FMA_nodh"].hide();
+					if (gear_agl_cur <= 100) {
+						me["AI_agl"].setColor(0.7333,0.3803,0);
+					} else {
+						me["AI_agl"].setColor(0.0509,0.7529,0.2941);
+					}
+					me["dhReached"].hide();
+					# if (gear_agl_cur <= getprop("FMGC/internal/radio")) {
+# 						if (dh_going == 0) {
+# 							dh_going = 1;
+# 						}
+# 						if (dh_going == 1) {
+# 							dhTimer.start();
+# 							if (dhFlash.getValue() == 1) {
+# 								me["dhReached"].show();
+# 							} else {
+# 								me["dhReached"].hide();
+# 							}
+# 						}
+# 						if (dh_going == -1) {
+# 							me["dhReached"].show();
+# 						}
+# 					} else {
+# 						dhTimer.stop();
+# 						dh_going = 0;
+# 						me["dhReached"].hide();
+# 					}
+				} else {
+					me["FMA_dh"].hide();
+					me["FMA_dhn"].hide();
+					me["FMA_nodh"].show();
+					if (gear_agl_cur <= 400) {
+						me["AI_agl"].setColor(0.7333,0.3803,0);
+					} else {
+						me["AI_agl"].setColor(0.0509,0.7529,0.2941);
+					}
+					me["dhReached"].hide();
+				}
+			} else {
+				me["AI_agl"].hide();
+				me["FMA_nodh"].hide();
+				me["FMA_dh_box"].hide();
+				me["dhReached"].hide();
+			}
 		}
 		
 		me["AI_agl_g"].setRotation(-roll_cur * D2R);
@@ -2675,3 +2737,18 @@ var amberTimer2 = maketimer(0.50, func {
 	}
 });
 
+var dh_going = 0;
+var dh_count = 0;
+var dhTimer = maketimer(0.50, func {
+	if (!dhFlash.getBoolValue()) {
+		dhFlash.setBoolValue(1);
+	} else {
+		dhFlash.setBoolValue(0);
+	}
+	if (dh_count == 18) {
+		dh_count = 0;
+	} else {
+		dh_count = dh_count + 1;
+	}
+});
+
diff --git a/Nasal/FMGC/FMGC.nas b/Nasal/FMGC/FMGC.nas
index 988b1139..639588c9 100644
--- a/Nasal/FMGC/FMGC.nas
+++ b/Nasal/FMGC/FMGC.nas
@@ -469,9 +469,9 @@ var masterFMGC = maketimer(0.2, func {
 	
 	#handle radios, runways, v1/vr/v2
 	if (fmgc.flightPlanController.flightplans[2].approach != nil and phase >= 2) {
-		var airport = airportinfo(getprop("FMGC/internal/arr-arpt")).id;
+		var airport = airportinfo(getprop("FMGC/internal/arr-arpt"));
 		setprop("FMGC/internal/ldg-elev", airport.elevation * M2FT);
-		var runways = airportinfo(airport).runways;
+		var runways = airportinfo(airport.id).runways;
 		var rwy = string.replace(fmgc.flightPlanController.flightplans[2].approach.id, "ILS", "");
 		if (runways[rwy] != nil) {
 			var r = runways[rwy];
@@ -482,12 +482,13 @@ var masterFMGC = maketimer(0.2, func {
     		#print(r.heading);
     		#print(r.stopway);
     		#print(r.threshold);
-    		setprop("FMGC/internal/ils1freq-calculated", r.ils_frequency_mhz);
     		magnetic_hdg = geo.normdeg(r.heading - getprop("environment/magnetic-variation-deg"));
 			if (r.ils_frequency_mhz != nil and !getprop("FMGC/internal/ils1freq-set") and !getprop("FMGC/internal/ils1crs-set")) {
+				setprop("FMGC/internal/ils1freq-calculated", r.ils_frequency_mhz);
 				setprop("instrumentation/nav[0]/frequencies/selected-mhz", r.ils_frequency_mhz);
 				setprop("instrumentation/nav[0]/radials/selected-deg", magnetic_hdg);
 			} else if (r.ils_frequency_mhz != nil and !getprop("FMGC/internal/ils1freq-set")) {
+				setprop("FMGC/internal/ils1freq-calculated", r.ils_frequency_mhz);
 				setprop("instrumentation/nav[0]/frequencies/selected-mhz", r.ils_frequency_mhz);
 			} else if (!getprop("FMGC/internal/ils1crs-set")) {
 				setprop("instrumentation/nav[0]/radials/selected-deg", magnetic_hdg);
@@ -498,12 +499,13 @@ var masterFMGC = maketimer(0.2, func {
 		var rwy = fmgc.flightPlanController.flightplans[2].departure_runway.id;
 		if (runways[rwy] != nil) {
 			var r = runways[rwy];
-			setprop("FMGC/internal/ils1freq-calculated", r.ils_frequency_mhz);
 			magnetic_hdg = geo.normdeg(r.heading - getprop("environment/magnetic-variation-deg"));
 			if (r.ils_frequency_mhz != nil and !getprop("FMGC/internal/ils1freq-set") and !getprop("FMGC/internal/ils1crs-set")) {
+				setprop("FMGC/internal/ils1freq-calculated", r.ils_frequency_mhz);
 				setprop("instrumentation/nav[0]/frequencies/selected-mhz", r.ils_frequency_mhz);
 				setprop("instrumentation/nav[0]/radials/selected-deg", magnetic_hdg);
 			} else if (r.ils_frequency_mhz != nil and !getprop("FMGC/internal/ils1freq-set")) {
+				setprop("FMGC/internal/ils1freq-calculated", r.ils_frequency_mhz);
 				setprop("instrumentation/nav[0]/frequencies/selected-mhz", r.ils_frequency_mhz);
 			} else if (!getprop("FMGC/internal/ils1crs-set")) {
 				setprop("instrumentation/nav[0]/radials/selected-deg", magnetic_hdg);