diff --git a/A318-100-CFM-set.xml b/A318-100-CFM-set.xml
index 29dc7e5b..206862cb 100644
--- a/A318-100-CFM-set.xml
+++ b/A318-100-CFM-set.xml
@@ -124,6 +124,14 @@
 		</systems>
 		
 	</sim>
+        
+        <limits>
+            <mass-and-balance> <!--Data source: https://en.wikipedia.org/wiki/Airbus_A320_family#Specifications-->
+                    <maximum-takeoff-mass-lbs>150000</maximum-takeoff-mass-lbs>
+                    <maximum-landing-mass-lbs>127000</maximum-landing-mass-lbs>
+                    <maximum-zero-fuel-mass-lbs>120000</maximum-zero-fuel-mass-lbs>
+            </mass-and-balance>
+        </limits>
 	
 	<options n="0">
 		<EIS2 type="bool">1</EIS2>
diff --git a/A319-100-CFM-set.xml b/A319-100-CFM-set.xml
index 9f273d7d..e987de6c 100644
--- a/A319-100-CFM-set.xml
+++ b/A319-100-CFM-set.xml
@@ -129,6 +129,14 @@
 		</systems>
 		
 	</sim>
+        
+        <limits>
+            <mass-and-balance> <!--Data source: https://en.wikipedia.org/wiki/Airbus_A320_family#Specifications-->
+                    <maximum-takeoff-mass-lbs>166000</maximum-takeoff-mass-lbs>
+                    <maximum-landing-mass-lbs>138000</maximum-landing-mass-lbs>
+                    <maximum-zero-fuel-mass-lbs>129000</maximum-zero-fuel-mass-lbs>
+            </mass-and-balance>
+        </limits>
 	
 	<options n="0">
 		<EIS2 type="bool">0</EIS2>
diff --git a/A319-100-IAE-set.xml b/A319-100-IAE-set.xml
index 52ad4f13..e0e90334 100644
--- a/A319-100-IAE-set.xml
+++ b/A319-100-IAE-set.xml
@@ -129,7 +129,15 @@
 		</systems>
 		
 	</sim>
-	
+        
+        <limits>
+            <mass-and-balance> <!--Data source: https://en.wikipedia.org/wiki/Airbus_A320_family#Specifications-->
+                    <maximum-takeoff-mass-lbs>166000</maximum-takeoff-mass-lbs>
+                    <maximum-landing-mass-lbs>138000</maximum-landing-mass-lbs>
+                    <maximum-zero-fuel-mass-lbs>129000</maximum-zero-fuel-mass-lbs>
+            </mass-and-balance>
+        </limits>
+        
 	<options n="0">
 		<EIS2 type="bool">0</EIS2>
 		<eng>IAE</eng>
diff --git a/A320-100-CFM-set.xml b/A320-100-CFM-set.xml
index e4f8a5c8..fd3ac31f 100644
--- a/A320-100-CFM-set.xml
+++ b/A320-100-CFM-set.xml
@@ -149,6 +149,14 @@
 		</systems>
 		
 	</sim>
+        
+        <limits>
+            <mass-and-balance> <!--Data source: https://en.wikipedia.org/wiki/Airbus_A320_family#Specifications-->
+                    <maximum-takeoff-mass-lbs>172000</maximum-takeoff-mass-lbs>
+                    <maximum-landing-mass-lbs>146000</maximum-landing-mass-lbs>
+                    <maximum-zero-fuel-mass-lbs>138000</maximum-zero-fuel-mass-lbs>
+            </mass-and-balance>
+        </limits>
 	
 	<instrumentation n="0">
 		<mk-viii n="0">
diff --git a/A320-200-CFM-set.xml b/A320-200-CFM-set.xml
index ba6d5726..af63dc52 100644
--- a/A320-200-CFM-set.xml
+++ b/A320-200-CFM-set.xml
@@ -149,6 +149,14 @@
 		</systems>
 		
 	</sim>
+        
+        <limits>
+            <mass-and-balance> <!--Data source: https://en.wikipedia.org/wiki/Airbus_A320_family#Specifications-->
+                    <maximum-takeoff-mass-lbs>172000</maximum-takeoff-mass-lbs>
+                    <maximum-landing-mass-lbs>146000</maximum-landing-mass-lbs>
+                    <maximum-zero-fuel-mass-lbs>138000</maximum-zero-fuel-mass-lbs>
+            </mass-and-balance>
+        </limits>
 	
 	<options n="0">
 		<EIS2 type="bool">0</EIS2>
diff --git a/A320-200-IAE-set.xml b/A320-200-IAE-set.xml
index 26cace33..f0c20579 100644
--- a/A320-200-IAE-set.xml
+++ b/A320-200-IAE-set.xml
@@ -149,6 +149,14 @@
 		</systems>
 		
 	</sim>
+        
+        <limits>
+            <mass-and-balance> <!--Data source: https://en.wikipedia.org/wiki/Airbus_A320_family#Specifications-->
+                    <maximum-takeoff-mass-lbs>172000</maximum-takeoff-mass-lbs>
+                    <maximum-landing-mass-lbs>146000</maximum-landing-mass-lbs>
+                    <maximum-zero-fuel-mass-lbs>138000</maximum-zero-fuel-mass-lbs>
+            </mass-and-balance>
+        </limits>
 	
 	<options n="0">
 		<EIS2 type="bool">0</EIS2>
diff --git a/A320neo-CFM-set.xml b/A320neo-CFM-set.xml
index a05b22a1..15161a18 100644
--- a/A320neo-CFM-set.xml
+++ b/A320neo-CFM-set.xml
@@ -9,7 +9,7 @@
 <PropertyList include="A320-main.xml">
 
 	<sim>
-	
+            
 		<sound>
 			<path>Aircraft/A320Family/Sounds/leapx-sound.xml</path>
 		</sound>
@@ -139,6 +139,14 @@
 		</systems>
 		
 	</sim>
+        
+        <limits>
+            <mass-and-balance> <!--Data source: https://en.wikipedia.org/wiki/Airbus_A320neo_family#Specifications-->
+                    <maximum-takeoff-mass-lbs>174200</maximum-takeoff-mass-lbs>
+                    <maximum-landing-mass-lbs>148600</maximum-landing-mass-lbs>
+                    <maximum-zero-fuel-mass-lbs>141800</maximum-zero-fuel-mass-lbs>
+            </mass-and-balance>
+        </limits>
 	
 	<options n="0">
 		<EIS2 type="bool">1</EIS2>
diff --git a/A320neo-PW-set.xml b/A320neo-PW-set.xml
index 1bc15c44..deb1013a 100644
--- a/A320neo-PW-set.xml
+++ b/A320neo-PW-set.xml
@@ -139,6 +139,14 @@
 		</systems>
 		
 	</sim>
+        
+        <limits>
+            <mass-and-balance> <!--Data source: https://en.wikipedia.org/wiki/Airbus_A320neo_family#Specifications-->
+                    <maximum-takeoff-mass-lbs>174200</maximum-takeoff-mass-lbs>
+                    <maximum-landing-mass-lbs>148600</maximum-landing-mass-lbs>
+                    <maximum-zero-fuel-mass-lbs>141800</maximum-zero-fuel-mass-lbs>
+            </mass-and-balance>
+        </limits>
 	
 	<options n="0">
 		<EIS2 type="bool">1</EIS2>
diff --git a/A321-200-CFM-set.xml b/A321-200-CFM-set.xml
index 9daf8037..03676ab7 100644
--- a/A321-200-CFM-set.xml
+++ b/A321-200-CFM-set.xml
@@ -129,6 +129,14 @@
 		</systems>
 		
 	</sim>
+        
+        <limits>
+            <mass-and-balance> <!--Data source: https://en.wikipedia.org/wiki/Airbus_A320_family#Specifications-->
+                    <maximum-takeoff-mass-lbs>206000</maximum-takeoff-mass-lbs>
+                    <maximum-landing-mass-lbs>172000</maximum-landing-mass-lbs>
+                    <maximum-zero-fuel-mass-lbs>163000</maximum-zero-fuel-mass-lbs>
+            </mass-and-balance>
+        </limits>
 	
 	<options n="0">
 		<EIS2 type="bool">0</EIS2>
diff --git a/A321-200-IAE-set.xml b/A321-200-IAE-set.xml
index 7ccb5269..e048b6e0 100644
--- a/A321-200-IAE-set.xml
+++ b/A321-200-IAE-set.xml
@@ -130,6 +130,14 @@
 		</systems>
 		
 	</sim>
+        
+        <limits>
+            <mass-and-balance> <!--Data source: https://en.wikipedia.org/wiki/Airbus_A320_family#Specifications-->
+                    <maximum-takeoff-mass-lbs>206000</maximum-takeoff-mass-lbs>
+                    <maximum-landing-mass-lbs>172000</maximum-landing-mass-lbs>
+                    <maximum-zero-fuel-mass-lbs>163000</maximum-zero-fuel-mass-lbs>
+            </mass-and-balance>
+        </limits>
 	
 	<options n="0">
 		<EIS2 type="bool">0</EIS2>
diff --git a/A321neo-CFM-set.xml b/A321neo-CFM-set.xml
index e8ffe39c..fe0c3e30 100644
--- a/A321neo-CFM-set.xml
+++ b/A321neo-CFM-set.xml
@@ -125,6 +125,14 @@
 		</systems>
 		
 	</sim>
+        
+        <limits>
+            <mass-and-balance> <!--Data source: https://en.wikipedia.org/wiki/Airbus_A320neo_family#Specifications-->
+                    <maximum-takeoff-mass-lbs>213800</maximum-takeoff-mass-lbs>
+                    <maximum-landing-mass-lbs>174600</maximum-landing-mass-lbs>
+                    <maximum-zero-fuel-mass-lbs>166700</maximum-zero-fuel-mass-lbs>
+            </mass-and-balance>
+        </limits>
 	
 	<options n="0">
 		<EIS2 type="bool">1</EIS2>
diff --git a/A321neo-PW-set.xml b/A321neo-PW-set.xml
index a65187e8..badd54d3 100644
--- a/A321neo-PW-set.xml
+++ b/A321neo-PW-set.xml
@@ -125,6 +125,14 @@
 		</systems>
 		
 	</sim>
+        
+        <limits>
+            <mass-and-balance> <!--Data source: https://en.wikipedia.org/wiki/Airbus_A320neo_family#Specifications-->
+                    <maximum-takeoff-mass-lbs>213800</maximum-takeoff-mass-lbs>
+                    <maximum-landing-mass-lbs>174600</maximum-landing-mass-lbs>
+                    <maximum-zero-fuel-mass-lbs>166700</maximum-zero-fuel-mass-lbs>
+            </mass-and-balance>
+        </limits>
 	
 	<options n="0">
 		<EIS2 type="bool">1</EIS2>