diff --git a/A320-main.xml b/A320-main.xml
index ef035108..4a72d646 100644
--- a/A320-main.xml
+++ b/A320-main.xml
@@ -1284,6 +1284,7 @@
 				<fac2 type="bool">0</fac2>
 				<rtlu-1 type="bool">0</rtlu-1>
 				<rtlu-2 type="bool">0</rtlu-2>
+				<ths-jam type="bool">0</ths-jam>
 				<yaw-damper-1 type="bool">0</yaw-damper-1>
 				<yaw-damper-2 type="bool">0</yaw-damper-2>
 			</fctl>
diff --git a/AircraftConfig/fail.xml b/AircraftConfig/fail.xml
index 7ce0a7f3..cfbe5caa 100644
--- a/AircraftConfig/fail.xml
+++ b/AircraftConfig/fail.xml
@@ -144,6 +144,16 @@
 				<live>true</live>
 			</checkbox>
 			
+			<checkbox>
+				<label>THS</label>
+				<halign>left</halign>
+				<property>/systems/failures/fctl/ths-jam</property>
+				<binding>
+					<command>dialog-apply</command>
+				</binding>
+				<live>true</live>
+			</checkbox>
+			
 			<checkbox>
 				<label>Yaw Damper 1</label>
 				<halign>left</halign>
diff --git a/Models/Instruments/Lower-ECAM/Lower-ECAM.nas b/Models/Instruments/Lower-ECAM/Lower-ECAM.nas
index 6ff69ac3..19a0e054 100644
--- a/Models/Instruments/Lower-ECAM/Lower-ECAM.nas
+++ b/Models/Instruments/Lower-ECAM/Lower-ECAM.nas
@@ -1951,7 +1951,7 @@ var canvas_lowerECAM_fctl = {
 		return["TAT","SAT","GW","UTCh","UTCm","GW-weight-unit","ailL","ailR","elevL","elevR","PTcc","PT","PTupdn","elac1","elac2","sec1","sec2","sec3","ailLblue","ailRblue","elevLblue","elevRblue","rudderblue","ailLgreen","ailRgreen","elevLgreen","ruddergreen","PTgreen",
 		"elevRyellow","rudderyellow","PTyellow","rudder","spdbrkblue","spdbrkgreen","spdbrkyellow","spoiler1Rex","spoiler1Rrt","spoiler2Rex","spoiler2Rrt","spoiler3Rex","spoiler3Rrt","spoiler4Rex","spoiler4Rrt","spoiler5Rex","spoiler5Rrt","spoiler1Lex",
 		"spoiler1Lrt","spoiler2Lex","spoiler2Lrt","spoiler3Lex","spoiler3Lrt","spoiler4Lex","spoiler4Lrt","spoiler5Lex","spoiler5Lrt","spoiler1Rf","spoiler2Rf","spoiler3Rf","spoiler4Rf","spoiler5Rf","spoiler1Lf","spoiler2Lf","spoiler3Lf","spoiler4Lf",
-		"spoiler5Lf","ailLscale","ailRscale","path4249","path4249-3","path4249-3-6-7","path4249-3-6-7-5","path4249-3-6"];
+		"spoiler5Lf","ailLscale","ailRscale","path4249","path4249-3","path4249-3-6-7","path4249-3-6-7-5","path4249-3-6","text4343"];
 	},
 	update: func() {
 		blue_psi = systems.HYD.Psi.blue.getValue();
@@ -1976,6 +1976,12 @@ var canvas_lowerECAM_fctl = {
 			me["PTupdn"].setColor(0.0509,0.7529,0.2941);
 			me["PTcc"].setColor(0.0509,0.7529,0.2941);
 		}
+		
+		if (fbw.FBW.Failures.ths.getBoolValue()) {
+			me["text4343"].setColor(0.7333,0.3803,0);
+		} else {
+			me["text4343"].setColor(0.8078,0.8039,0.8078);
+		}
 
 		# Ailerons
 		me["ailL"].setTranslation(0, aileron_ind_left.getValue() * 100);
@@ -1997,13 +2003,13 @@ var canvas_lowerECAM_fctl = {
 		me["elevL"].setTranslation(0, elevator_ind_left.getValue() * 100);
 		me["elevR"].setTranslation(0, elevator_ind_right.getValue() * 100);
 
-		if (blue_psi < 1500 and green_psi < 1500) {
+		if ((blue_psi < 1500 or (!fbw.FBW.Computers.elac1.getValue() and !fbw.FBW.Computers.sec1.getValue())) and (green_psi < 1500 or (!fbw.FBW.Computers.elac2.getValue() and !fbw.FBW.Computers.sec2.getValue()))) {
 			me["elevL"].setColor(0.7333,0.3803,0);
 		} else {
 			me["elevL"].setColor(0.0509,0.7529,0.2941);
 		}
 
-		if (blue_psi < 1500 and yellow_psi < 1500) {
+		if ((blue_psi < 1500 or (!fbw.FBW.Computers.elac1.getValue() and !fbw.FBW.Computers.sec1.getValue())) and (yellow_psi < 1500 or (!fbw.FBW.Computers.elac2.getValue() and !fbw.FBW.Computers.sec2.getValue()))) {
 			me["elevR"].setColor(0.7333,0.3803,0);
 		} else {
 			me["elevR"].setColor(0.0509,0.7529,0.2941);
@@ -2288,16 +2294,22 @@ var canvas_lowerECAM_fctl = {
 			} else {
 				me["ailLblue"].setColor(0.7333,0.3803,0);
 			}
+			if (fbw.FBW.Computers.elac1.getValue() or fbw.FBW.Computers.sec1.getValue()) {
+				me["elevLblue"].setColor(0.0509,0.7529,0.2941);
+				me["elevRblue"].setColor(0.0509,0.7529,0.2941);
+			} else {
+				me["elevLblue"].setColor(0.7333,0.3803,0);
+				me["elevRblue"].setColor(0.7333,0.3803,0);
+			}
 			if (fbw.FBW.Computers.elac2.getValue()) {
 				me["ailRblue"].setColor(0.0509,0.7529,0.2941);
 			} else {
 				me["ailRblue"].setColor(0.7333,0.3803,0);
 			}
-			me["elevLblue"].setColor(0.0509,0.7529,0.2941);
-			me["elevRblue"].setColor(0.0509,0.7529,0.2941);
 			me["rudderblue"].setColor(0.0509,0.7529,0.2941);
 			me["spdbrkblue"].setColor(0.0509,0.7529,0.2941);
 		} else {
+			me["ailLblue"].setColor(0.7333,0.3803,0);
 			me["ailRblue"].setColor(0.7333,0.3803,0);
 			me["elevLblue"].setColor(0.7333,0.3803,0);
 			me["elevRblue"].setColor(0.7333,0.3803,0);
@@ -2306,6 +2318,12 @@ var canvas_lowerECAM_fctl = {
 		}
 
 		if (green_psi >= 1500) {
+			if (fbw.FBW.Computers.elac2.getValue() or fbw.FBW.Computers.sec2.getValue()) {
+				me["elevLgreen"].setColor(0.0509,0.7529,0.2941);
+			} else {
+				me["elevLgreen"].setColor(0.7333,0.3803,0);
+			}
+			
 			if (fbw.FBW.Computers.elac2.getValue()) {
 				me["ailLgreen"].setColor(0.0509,0.7529,0.2941);
 			} else {
@@ -2316,7 +2334,6 @@ var canvas_lowerECAM_fctl = {
 			} else {
 				me["ailRgreen"].setColor(0.7333,0.3803,0);
 			}
-			me["elevLgreen"].setColor(0.0509,0.7529,0.2941);
 			me["ruddergreen"].setColor(0.0509,0.7529,0.2941);
 			me["PTgreen"].setColor(0.0509,0.7529,0.2941);
 			me["spdbrkgreen"].setColor(0.0509,0.7529,0.2941);
@@ -2330,7 +2347,11 @@ var canvas_lowerECAM_fctl = {
 		}
 
 		if (yellow_psi >= 1500) {
-			me["elevRyellow"].setColor(0.0509,0.7529,0.2941);
+			if (fbw.FBW.Computers.elac2.getValue() or fbw.FBW.Computers.sec2.getValue()) {
+				me["elevRyellow"].setColor(0.0509,0.7529,0.2941);
+			} else {
+				me["elevRyellow"].setColor(0.7333,0.3803,0);
+			}
 			me["rudderyellow"].setColor(0.0509,0.7529,0.2941);
 			me["PTyellow"].setColor(0.0509,0.7529,0.2941);
 			me["spdbrkyellow"].setColor(0.0509,0.7529,0.2941);
diff --git a/Nasal/FBW/it-fbw.nas b/Nasal/FBW/it-fbw.nas
index 0ae8347d..c150d965 100644
--- a/Nasal/FBW/it-fbw.nas
+++ b/Nasal/FBW/it-fbw.nas
@@ -64,6 +64,7 @@ var FBW = {
 		sec3: props.globals.getNode("/systems/failures/fctl/sec3"),
 		fac1: props.globals.getNode("/systems/failures/fctl/fac1"),
 		fac2: props.globals.getNode("/systems/failures/fctl/fac2"),
+		ths: props.globals.getNode("/systems/failures/fctl/ths-jam"),
 		spoilerl1: props.globals.getNode("/systems/failures/spoilers/spoiler-l1"),
 		spoilerl2: props.globals.getNode("/systems/failures/spoilers/spoiler-l2"),
 		spoilerl3: props.globals.getNode("/systems/failures/spoilers/spoiler-l3"),
@@ -143,6 +144,7 @@ var FBW = {
 		me.Failures.sec3.setBoolValue(0);
 		me.Failures.fac1.setBoolValue(0);
 		me.Failures.fac2.setBoolValue(0);
+		me.Failures.ths.setBoolValue(0);
 		me.Failures.spoilerl1.setBoolValue(0);
 		me.Failures.spoilerl2.setBoolValue(0);
 		me.Failures.spoilerl3.setBoolValue(0);
diff --git a/Systems/a320-fcs.xml b/Systems/a320-fcs.xml
index 9866be77..76bd273b 100644
--- a/Systems/a320-fcs.xml
+++ b/Systems/a320-fcs.xml
@@ -241,16 +241,42 @@
 		<switch name="hydraulics/elevator-l/pressure-switch-or">
 			<default value="0"/>
 			<test logic="OR" value="1">
-				/systems/hydraulic/green-psi ge 1500
-				/systems/hydraulic/blue-psi ge 1500
+				<test logic="AND">
+					<test logic="OR">
+						/systems/fctl/elac1 eq 1
+						/systems/fctl/sec1 eq 1
+					</test>
+					/systems/hydraulic/blue-psi ge 1500
+				</test>
+				<test logic="AND">
+					<test logic="OR">
+						/systems/fctl/elac2 eq 1
+						/systems/fctl/sec2 eq 1
+					</test>
+					/systems/hydraulic/green-psi ge 1500
+				</test>
 			</test>
 		</switch>
 		
 		<switch name="hydraulics/elevator-l/switch">
 			<default value="hydraulics/elevator-droop"/>
+			<test logic="AND" value="0">
+				<test logic="OR">
+					/systems/hydraulic/blue-psi ge 1500
+					/systems/hydraulic/green-psi ge 1500
+				</test>
+				/systems/failures/elevator-left eq 0
+				<test logic="AND"> <!-- only pitch trim available -->
+					/systems/fctl/elac1 eq 0
+					/systems/fctl/sec1 eq 0
+					/systems/fctl/elac2 eq 0
+					/systems/fctl/sec2 eq 0
+				</test>
+			</test>
 			<test logic="AND" value="hydraulics/elevator-output-switch">
 				hydraulics/elevator-l/pressure-switch-or eq 1
 				/systems/failures/elevator-left eq 0
+				/it-fbw/law ne 3
 			</test>
 			<clipto>
 				<min>-1.0</min>
@@ -281,16 +307,42 @@
 		<switch name="hydraulics/elevator-r/pressure-switch-or">
 			<default value="0"/>
 			<test logic="OR" value="1">
-				/systems/hydraulic/yellow-psi ge 1500
-				/systems/hydraulic/blue-psi ge 1500
+				<test logic="AND">
+					<test logic="OR">
+						/systems/fctl/elac1 eq 1
+						/systems/fctl/sec1 eq 1
+					</test>
+					/systems/hydraulic/blue-psi ge 1500
+				</test>
+				<test logic="AND">
+					<test logic="OR">
+						/systems/fctl/elac2 eq 1
+						/systems/fctl/sec2 eq 1
+					</test>
+					/systems/hydraulic/yellow-psi ge 1500
+				</test>
 			</test>
 		</switch>
 		
 		<switch name="hydraulics/elevator-r/switch">
 			<default value="hydraulics/elevator-droop"/>
+			<test logic="AND" value="0">
+				<test logic="OR">
+					/systems/hydraulic/blue-psi ge 1500
+					/systems/hydraulic/yellow-psi ge 1500
+				</test>
+				/systems/failures/elevator-right eq 0
+				<test logic="AND">  <!-- only pitch trim available -->
+					/systems/fctl/elac1 eq 0
+					/systems/fctl/sec1 eq 0
+					/systems/fctl/elac2 eq 0
+					/systems/fctl/sec2 eq 0
+				</test>
+			</test>
 			<test logic="AND" value="hydraulics/elevator-output-switch">
 				hydraulics/elevator-r/pressure-switch-or eq 1
 				/systems/failures/elevator-right eq 0
+				/it-fbw/law ne 3
 			</test>
 			<clipto>
 				<min>-1.0</min>
@@ -319,7 +371,10 @@
 	<channel name="Pitch Trim">
 		
 		<switch name="hydraulics/elevator-trim/rate">
-			<default value="0.125"/>
+			<default value="0"/> <!-- only mechanical input to hyd actuator. So it does need hydraulic power -->
+			<test logic="OR" value="0">
+				/systems/failures/fctl/ths-jam eq 1
+			</test>
 			<test logic="OR" value="0.25">
 				/systems/hydraulic/yellow-psi ge 1500
 				/systems/hydraulic/green-psi ge 1500