diff --git a/AircraftConfig/acconfig.nas b/AircraftConfig/acconfig.nas
index ea6c598c..fb4f30a8 100644
--- a/AircraftConfig/acconfig.nas
+++ b/AircraftConfig/acconfig.nas
@@ -127,9 +127,9 @@ setlistener("/systems/acconfig/new-revision", func {
 });
 
 var mismatch_chk = func {
-	if (num(string.replace(getprop("/sim/version/flightgear"),".","")) < 201810) {
+	if (num(string.replace(getprop("/sim/version/flightgear"),".","")) < 201830) {
 		setprop("/systems/acconfig/mismatch-code", "0x121");
-		setprop("/systems/acconfig/mismatch-reason", "FGFS version is too old! Please update FlightGear to at least 2018.1.0.");
+		setprop("/systems/acconfig/mismatch-reason", "FGFS version is too old! Please update FlightGear to at least 2018.3.0.");
 		if (getprop("/systems/acconfig/out-of-date") != 1) {
 			error_mismatch.open();
 		}
diff --git a/INSTALL.md b/INSTALL.md
index 140410f6..b1595c2a 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -1,7 +1,7 @@
 # INSTALL
 ## Prerequisites
 Have at least following versions installed:
-* FlightGear 2018.1.0 or newer
+* FlightGear 2018.3.0 or newer
 
 ## Install using ZIP Snapshot
 [Download](https://github.com/it0uchpods/IDG-A32X/archive/master.zip) the zip file.  
diff --git a/Systems/a320-fcs.xml b/Systems/a320-fcs.xml
index f35edf21..e97fb3ec 100644
--- a/Systems/a320-fcs.xml
+++ b/Systems/a320-fcs.xml
@@ -2031,17 +2031,18 @@
 					</eq>
 					<product>
 						<property>hydraulics/tiller/autopush-cmd</property>
-						<value>70</value>
+						<value>75</value>
 					</product>
 					<table>
 						<independentVar lookup="row">/velocities/groundspeed-kt</independentVar>
 						<independentVar lookup="column">hydraulics/tiller/switch</independentVar>
 						<tableData>
-								   -1     0    1
-							 0.500  00.0  0.0  00.0
-							 1.000 -70.0  0.0  70.0
-							30.000 -70.0  0.0  70.0
-							30.001 -10.0  0.0  10.0
+							        -1     0    1
+							  0.500  00.0  0.0  00.0
+							  1.000 -75.0  0.0  75.0
+							 30.000 -47.0  0.0  47.0
+							 30.001 -06.0  0.0  06.0
+							135.000  00.0  0.0  00.0
 						</tableData>
 					</table>
 				</ifthen>
@@ -2050,7 +2051,7 @@
 		
 		<actuator name="fcs/steer-deg">
 			<input>hydraulics/tiller/function</input>
-			<rate_limit>70</rate_limit>
+			<rate_limit>75</rate_limit>
 			<output>fcs/steer-pos-deg[0]</output>
 		</actuator>
 		
diff --git a/Systems/a320-ground-reactions.xml b/Systems/a320-ground-reactions.xml
index 0654545e..b47d935e 100644
--- a/Systems/a320-ground-reactions.xml
+++ b/Systems/a320-ground-reactions.xml
@@ -9,12 +9,53 @@
 			<y> 0 </y>
 			<z> -4.31395 </z>
 		</location>
-		<static_friction> 0.4 </static_friction>
+		<static_friction>  1.4 </static_friction> <!-- arbitrarily high to help nose wheel steering - no effect on braking -->
 		<dynamic_friction> 0.6 </dynamic_friction>
 		<rolling_friction> 0.02 </rolling_friction>
 		<spring_coeff unit="LBS/FT"> 30935.5 </spring_coeff>
 		<damping_coeff unit="LBS/FT/SEC"> 16978.5 </damping_coeff>
-		<max_steer unit="DEG"> 70 </max_steer>
+		<max_steer unit="DEG"> 75 </max_steer>
+		<table name="CORNERING_COEFF" type="internal">
+			<tableData> <!-- jsbsim-pacejka.py 3.0 0.03 2.85 1.4 1.03 1.4 -->
+				-90.0 -0.64429852792097750
+				-85.0 -0.65803784878515970
+				-80.0 -0.67367546323532410
+				-75.0 -0.69148835376736980
+				-70.0 -0.71179130570975040
+				-65.0 -0.73493212105552120
+				-60.0 -0.76127441823995780
+				-55.0 -0.79115479580170660
+				-50.0 -0.82478835297656280
+				-45.0 -0.86207184328003720
+				-40.0 -0.90218731471298370
+				-35.0 -0.94282786495867110
+				-30.0 -0.97874912755212280
+				-25.0 -0.99927325792190310
+				-20.0 -0.98471983766820350
+				-15.0 -0.90363984864415470
+				-10.0 -0.71770750752441240
+				 -5.0 -0.40543502538657494
+				  0.0  0.00000000000000000
+				  5.0  0.40543502538657494
+				 10.0  0.71770750752441240
+				 15.0  0.90363984864415470
+				 20.0  0.98471983766820350
+				 25.0  0.99927325792190310
+				 30.0  0.97874912755212280
+				 35.0  0.94282786495867110
+				 40.0  0.90218731471298370
+				 45.0  0.86207184328003720
+				 50.0  0.82478835297656280
+				 55.0  0.79115479580170660
+				 60.0  0.76127441823995780
+				 65.0  0.73493212105552120
+				 70.0  0.71179130570975040
+				 75.0  0.69148835376736980
+				 80.0  0.67367546323532410
+				 85.0  0.65803784878515970
+				 90.0  0.64429852792097750
+			</tableData>
+		</table>
 		<brake_group> NONE </brake_group>
 		<retractable> 1 </retractable>
 	</contact>
@@ -30,6 +71,47 @@
 		<spring_coeff unit="LBS/FT"> 59785 </spring_coeff>
 		<damping_coeff unit="LBS/FT/SEC"> 23957 </damping_coeff>
 		<max_steer unit="DEG"> 0.0 </max_steer>
+		<table name="CORNERING_COEFF" type="internal">
+			<tableData> <!-- jsbsim-pacejka.py 3.0 0.06 2.8 0.4 1.03 0.4 -->
+				-90.0 -0.5760395836174765
+				-85.0 -0.5776440181093163
+				-80.0 -0.5803918992801416
+				-75.0 -0.5845010317001210
+				-70.0 -0.5902476568617109
+				-65.0 -0.5979865464058901
+				-60.0 -0.6081793463286825
+				-55.0 -0.6214348494943271
+				-50.0 -0.6385661913510731
+				-45.0 -0.6606706311692150
+				-40.0 -0.6892340269266316
+				-35.0 -0.7262408296125531
+				-30.0 -0.7741813043425955
+				-25.0 -0.8355026710967954
+				-20.0 -0.9097416834082445
+				-15.0 -0.9818532434458515
+				-10.0 -0.9824937511496707
+				 -5.0 -0.7127565569007204
+				  0.0  0.0000000000000000
+				  5.0  0.7127565569007204
+				 10.0  0.9824937511496707
+				 15.0  0.9818532434458515
+				 20.0  0.9097416834082445
+				 25.0  0.8355026710967954
+				 30.0  0.7741813043425955
+				 35.0  0.7262408296125531
+				 40.0  0.6892340269266316
+				 45.0  0.6606706311692150
+				 50.0  0.6385661913510731
+				 55.0  0.6214348494943271
+				 60.0  0.6081793463286825
+				 65.0  0.5979865464058901
+				 70.0  0.5902476568617109
+				 75.0  0.5845010317001210
+				 80.0  0.5803918992801416
+				 85.0  0.5776440181093163
+				 90.0  0.5760395836174765
+			</tableData>
+		</table>
 		<brake_group> LEFT </brake_group>
 		<retractable> 1 </retractable>
 	</contact>
@@ -45,6 +127,47 @@
 		<spring_coeff unit="LBS/FT"> 59785 </spring_coeff>
 		<damping_coeff unit="LBS/FT/SEC"> 23957 </damping_coeff>
 		<max_steer unit="DEG"> 0.0 </max_steer>
+		<table name="CORNERING_COEFF" type="internal">
+			<tableData> <!-- jsbsim-pacejka.py 3.0 0.06 2.8 0.4 1.03 0.4 -->
+				-90.0 -0.5760395836174765
+				-85.0 -0.5776440181093163
+				-80.0 -0.5803918992801416
+				-75.0 -0.5845010317001210
+				-70.0 -0.5902476568617109
+				-65.0 -0.5979865464058901
+				-60.0 -0.6081793463286825
+				-55.0 -0.6214348494943271
+				-50.0 -0.6385661913510731
+				-45.0 -0.6606706311692150
+				-40.0 -0.6892340269266316
+				-35.0 -0.7262408296125531
+				-30.0 -0.7741813043425955
+				-25.0 -0.8355026710967954
+				-20.0 -0.9097416834082445
+				-15.0 -0.9818532434458515
+				-10.0 -0.9824937511496707
+				 -5.0 -0.7127565569007204
+				  0.0  0.0000000000000000
+				  5.0  0.7127565569007204
+				 10.0  0.9824937511496707
+				 15.0  0.9818532434458515
+				 20.0  0.9097416834082445
+				 25.0  0.8355026710967954
+				 30.0  0.7741813043425955
+				 35.0  0.7262408296125531
+				 40.0  0.6892340269266316
+				 45.0  0.6606706311692150
+				 50.0  0.6385661913510731
+				 55.0  0.6214348494943271
+				 60.0  0.6081793463286825
+				 65.0  0.5979865464058901
+				 70.0  0.5902476568617109
+				 75.0  0.5845010317001210
+				 80.0  0.5803918992801416
+				 85.0  0.5776440181093163
+				 90.0  0.5760395836174765
+			</tableData>
+		</table>
 		<brake_group> RIGHT </brake_group>
 		<retractable> 1 </retractable>
 	</contact>