diff --git a/Models/Instruments/OHpanel/OHpanel.xml b/Models/Instruments/OHpanel/OHpanel.xml
index a117e5d3..04c1c5e6 100644
--- a/Models/Instruments/OHpanel/OHpanel.xml
+++ b/Models/Instruments/OHpanel/OHpanel.xml
@@ -164,6 +164,10 @@
 		<object-name>SEC2Btn2O</object-name>
 		<object-name>SEC3Btn1F</object-name>
 		<object-name>SEC3Btn2O</object-name>
+		<object-name>VentBlowBtn1F</object-name>
+		<object-name>VentBlowBtn2O</object-name>
+		<object-name>VentExtractBtn1F</object-name>
+		<object-name>VentExtractBtn2O</object-name>
 		<object-name>WingAntiIceBtn1F</object-name>
 		<object-name>WingAntiIceBtn2O</object-name>
 		<object-name>YellowElecPump1F</object-name>
@@ -206,6 +210,10 @@
 		<object-name>Gen1LineBtn1S</object-name>
 		<object-name>Gen1LineBtn2O</object-name>
 		<object-name>RcdrGndCtlBtn2O</object-name>
+		<object-name>VentBlowBtn1F</object-name>
+		<object-name>VentBlowBtn2O</object-name>
+		<object-name>VentExtractBtn1F</object-name>
+		<object-name>VentExtractBtn2O</object-name>
 		<condition>
 			<equals>
 				<property>controls/switches/annun-test</property>
diff --git a/Models/Instruments/OHpanel/res/buttons3-grid.png b/Models/Instruments/OHpanel/res/buttons3-grid.png
index f82053bd..7d9f83ac 100644
Binary files a/Models/Instruments/OHpanel/res/buttons3-grid.png and b/Models/Instruments/OHpanel/res/buttons3-grid.png differ
diff --git a/Models/Instruments/OHpanel/res/buttons7-grid.png b/Models/Instruments/OHpanel/res/buttons7-grid.png
new file mode 100644
index 00000000..91f3cd6c
Binary files /dev/null and b/Models/Instruments/OHpanel/res/buttons7-grid.png differ
diff --git a/Models/Instruments/OHpanel/res/buttons7.png b/Models/Instruments/OHpanel/res/buttons7.png
new file mode 100644
index 00000000..67b9f4d9
Binary files /dev/null and b/Models/Instruments/OHpanel/res/buttons7.png differ
diff --git a/Models/Instruments/OHpanel/res/ohpanel.ac b/Models/Instruments/OHpanel/res/ohpanel.ac
index eff72890..982ea3ff 100644
--- a/Models/Instruments/OHpanel/res/ohpanel.ac
+++ b/Models/Instruments/OHpanel/res/ohpanel.ac
@@ -10,7 +10,191 @@ MATERIAL "ac3dmat1" rgb 1 1 1  amb 1 1 1  emis 0 0 0  spec 1 1 1  shi 128  trans
 MATERIAL "DefaultWhite.002" rgb 1 1 1  amb 1 1 1  emis 0 0 0  spec 0.0015 0.0015 0.0015  shi 50  trans 0
 MATERIAL "ac3dmat1" rgb 0.501961 0.501961 0.501961  amb 0.501961 0.501961 0.501961  emis 0 0 0  spec 0 0 0  shi 0  trans 0
 OBJECT world
-kids 331
+kids 335
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 OBJECT poly
 name "Eng2FireAgt2Btn2D"
 loc 0.000175806 0.281658 -0.103123