diff --git a/A320-100-CFM.xml b/A320-100-CFM.xml
index e68416c8..ea51fa67 100644
--- a/A320-100-CFM.xml
+++ b/A320-100-CFM.xml
@@ -18,7 +18,7 @@ xsi:noNamespaceSchemaLocation="http://jsbsim.sourceforge.net/JSBSim.xsd">
 	</fileheader>
 	
 	<metrics file="Systems/a320-metrics"/>
-	<mass_balance file="Systems/a320-mass-balance"/>
+	<mass_balance file="Systems/a320-mass-balance-cfm"/>
 	<ground_reactions file="Systems/a320-ground-reactions"/>
 	
 	<propulsion>
diff --git a/A320-200-CFM.xml b/A320-200-CFM.xml
index cc5c783c..c1759075 100644
--- a/A320-200-CFM.xml
+++ b/A320-200-CFM.xml
@@ -18,7 +18,7 @@ xsi:noNamespaceSchemaLocation="http://jsbsim.sourceforge.net/JSBSim.xsd">
 	</fileheader>
 	
 	<metrics file="Systems/a320-metrics"/>
-	<mass_balance file="Systems/a320-mass-balance"/>
+	<mass_balance file="Systems/a320-mass-balance-cfm"/>
 	<ground_reactions file="Systems/a320-ground-reactions"/>
 	
 	<propulsion>
diff --git a/A320-200-IAE.xml b/A320-200-IAE.xml
index ddbdc62d..d3973e1b 100644
--- a/A320-200-IAE.xml
+++ b/A320-200-IAE.xml
@@ -18,7 +18,7 @@ xsi:noNamespaceSchemaLocation="http://jsbsim.sourceforge.net/JSBSim.xsd">
 	</fileheader>
 	
 	<metrics file="Systems/a320-metrics"/>
-	<mass_balance file="Systems/a320-mass-balance"/>
+	<mass_balance file="Systems/a320-mass-balance-iae"/>
 	<ground_reactions file="Systems/a320-ground-reactions"/>
 	
 	<propulsion>
diff --git a/A320-main.xml b/A320-main.xml
index 18ac283d..2877fdbc 100644
--- a/A320-main.xml
+++ b/A320-main.xml
@@ -10,7 +10,7 @@
 
 	<sim>
 
-		<author>it0uchpods Design Group: Joshua Davidson (it0uchpods), Jonathan Redpath (legoboyvdlp), Thorsten Herrmann (TH-555)</author>
+		<author>it0uchpods Design Group: Joshua Davidson (it0uchpods), Jonathan Redpath (legoboyvdlp, Thorsten Herrmann (TH-555)</author>
 		
 		<status>Pre V1.0</status>
 		
@@ -422,28 +422,28 @@
 	
 	<payload>
 		<weight n="0">
-			<name>Cockpit Crew</name>
+			<name>Crew</name>
 			<weight-lb alias="/fdm/jsbsim/inertia/pointmass-weight-lbs[0]"/>
-			<min-lb type="double">200</min-lb>
-			<max-lb type="double">440</max-lb>
+			<min-lb type="double">280</min-lb>
+			<max-lb type="double">840</max-lb>
 		</weight>
 		<weight n="1">
 			<name>Passengers</name>
 			<weight-lb alias="/fdm/jsbsim/inertia/pointmass-weight-lbs[1]"/>
-			<min-lb type="double">1500</min-lb>
-			<max-lb type="double">27000</max-lb>
+			<min-lb type="double">0</min-lb>
+			<max-lb type="double">24360</max-lb>
 		</weight>
 		<weight n="2">
 			<name>Forward Cargo</name>
 			<weight-lb alias="/fdm/jsbsim/inertia/pointmass-weight-lbs[2]"/>
-			<min-lb type="double">300</min-lb>
-			<max-lb type="double">8765</max-lb>
+			<min-lb type="double">0</min-lb>
+			<max-lb type="double">9400</max-lb>
 		</weight>
 		<weight n="3">
 			<name>Aft Cargo</name>
 			<weight-lb alias="/fdm/jsbsim/inertia/pointmass-weight-lbs[3]"/>
-			<min-lb type="double">300</min-lb>
-			<max-lb type="double">8765</max-lb>
+			<min-lb type="double">0</min-lb>
+			<max-lb type="double">9400</max-lb>
 		</weight>
 	</payload>
 	
diff --git a/A320neo-CFM.xml b/A320neo-CFM.xml
index 828ec642..3943f649 100644
--- a/A320neo-CFM.xml
+++ b/A320neo-CFM.xml
@@ -18,7 +18,7 @@ xsi:noNamespaceSchemaLocation="http://jsbsim.sourceforge.net/JSBSim.xsd">
 	</fileheader>
 	
 	<metrics file="Systems/a320-metrics"/>
-	<mass_balance file="Systems/a320-mass-balance"/>
+	<mass_balance file="Systems/a320-mass-balance-cfm"/>  <!--todo: make neo mass / balance -->
 	<ground_reactions file="Systems/a320-ground-reactions"/>
 	
 	<propulsion>
diff --git a/A320neo-PW.xml b/A320neo-PW.xml
index 0f7cdc24..3c21908d 100644
--- a/A320neo-PW.xml
+++ b/A320neo-PW.xml
@@ -18,7 +18,7 @@ xsi:noNamespaceSchemaLocation="http://jsbsim.sourceforge.net/JSBSim.xsd">
 	</fileheader>
 	
 	<metrics file="Systems/a320-metrics"/>
-	<mass_balance file="Systems/a320-mass-balance"/>
+	<mass_balance file="Systems/a320-mass-balance-cfm"/> <!--todo: make neo mass / balance -->
 	<ground_reactions file="Systems/a320-ground-reactions"/>
 	
 	<propulsion>
diff --git a/Systems/a320-mass-balance.xml b/Systems/a320-mass-balance-cfm.xml
similarity index 83%
rename from Systems/a320-mass-balance.xml
rename to Systems/a320-mass-balance-cfm.xml
index 338c357d..112a41ba 100644
--- a/Systems/a320-mass-balance.xml
+++ b/Systems/a320-mass-balance-cfm.xml
@@ -15,7 +15,7 @@
 	<ixy unit="SLUG*FT2">       0 </ixy>
 	<ixz unit="SLUG*FT2">       0 </ixz>
 	<iyz unit="SLUG*FT2">       0 </iyz>
-	<emptywt unit="LBS" >   80431 </emptywt>
+	<emptywt unit="LBS" >   92980 </emptywt>
 	
 	<location name="CG" unit="M">
 		<x> 18.8231 </x>
@@ -23,8 +23,9 @@
 		<z> 0.19249 </z>
 	</location>
 	
+	<!-- average human weight 145 lbs, max 44000 lb -->
 	<pointmass name="Crew">
-		<weight unit="LBS">380</weight>
+		<weight unit="LBS">840</weight>
 		<location name="POINTMASS" unit="M">
 			<x> 5.29845 </x>
 			<y> 0 </y>
@@ -33,7 +34,7 @@
 	</pointmass>
 	
 	<pointmass name="PAX">
-		<weight unit="LBS">23000</weight>
+		<weight unit="LBS">24360</weight>
 		<location name="POINTMASS" unit="M">
 			<x> 18.8231 </x>
 			<y> 0 </y>
@@ -42,7 +43,7 @@
 	</pointmass>
 	
 	<pointmass name="Fwd Cargo">
-		<weight unit="LBS">3000</weight>
+		<weight unit="LBS">9400</weight>
 		<location name="POINTMASS" unit="M"> 
 			<x> 13.0849 </x>
 			<y> 0 </y>
@@ -51,7 +52,7 @@
 	</pointmass>
 	
 	<pointmass name="Aft Cargo">
-		<weight unit="LBS">3000</weight>
+		<weight unit="LBS">9400</weight>
 		<location name="POINTMASS" unit="M">
 			<x> 24.5565 </x>
 			<y> 0 </y>
diff --git a/Systems/a320-mass-balance-iae.xml b/Systems/a320-mass-balance-iae.xml
new file mode 100644
index 00000000..b0b45f99
--- /dev/null
+++ b/Systems/a320-mass-balance-iae.xml
@@ -0,0 +1,62 @@
+<!-- Airbus A320 JSBsim -->
+<!-- Joshua Davidson (it0uchpods) -->
+
+<!--
+##############################################
+# Copyright (c) Joshua Davidson (it0uchpods) #
+##############################################
+-->
+
+<mass_balance>
+	<ixx unit="SLUG*FT2">  611903 </ixx>
+	<iyy unit="SLUG*FT2"> 1735389 </iyy>
+	<izz unit="SLUG*FT2"> 1401293 </izz>
+
+	<ixy unit="SLUG*FT2">       0 </ixy>
+	<ixz unit="SLUG*FT2">       0 </ixz>
+	<iyz unit="SLUG*FT2">       0 </iyz>
+	<emptywt unit="LBS" >   93079 </emptywt>
+	
+	<location name="CG" unit="M">
+		<x> 18.8231 </x>
+		<y> 0 </y>
+		<z> 0.19249 </z>
+	</location>
+	
+	<!-- average human weight 145 lbs, max 44000 lb -->
+	<pointmass name="Crew">
+		<weight unit="LBS">840</weight>
+		<location name="POINTMASS" unit="M">
+			<x> 5.29845 </x>
+			<y> 0 </y>
+			<z> -0.66384 </z>
+		</location>
+	</pointmass>
+	
+	<pointmass name="PAX">
+		<weight unit="LBS">24360</weight>
+		<location name="POINTMASS" unit="M">
+			<x> 18.8231 </x>
+			<y> 0 </y>
+			<z> 0.19249 </z>
+		</location>
+	</pointmass>
+	
+	<pointmass name="Fwd Cargo">
+		<weight unit="LBS">9400</weight>
+		<location name="POINTMASS" unit="M"> 
+			<x> 13.0849 </x>
+			<y> 0 </y>
+			<z> -1.18112 </z>
+		</location>
+	</pointmass>
+	
+	<pointmass name="Aft Cargo">
+		<weight unit="LBS">9400</weight>
+		<location name="POINTMASS" unit="M">
+			<x> 24.5565 </x>
+			<y> 0 </y>
+			<z> -1.18112 </z>
+		</location>
+	</pointmass>
+</mass_balance>
diff --git a/revision.txt b/revision.txt
index 6083a729..749138de 100644
--- a/revision.txt
+++ b/revision.txt
@@ -1 +1 @@
-4685
\ No newline at end of file
+4686
\ No newline at end of file