diff --git a/flight/PiOS/inc/pios_etasv3.h b/flight/PiOS/inc/pios_etasv3.h
index 82949a2ef..f816dc247 100644
--- a/flight/PiOS/inc/pios_etasv3.h
+++ b/flight/PiOS/inc/pios_etasv3.h
@@ -30,3 +30,6 @@
 
 #define ETASV3_I2C_ADDR			0x75
 #define ETASV3_I2C_READ_CMD		0x07
+
+
+int16_t PIOS_ETASV3_ReadAirspeed (void);
diff --git a/flight/Revolution/UAVObjects.inc b/flight/Revolution/UAVObjects.inc
index d91eb9c17..f337e86e1 100644
--- a/flight/Revolution/UAVObjects.inc
+++ b/flight/Revolution/UAVObjects.inc
@@ -36,6 +36,7 @@ UAVOBJSRCFILENAMES += gyrosbias
 UAVOBJSRCFILENAMES += accels
 UAVOBJSRCFILENAMES += magnetometer
 UAVOBJSRCFILENAMES += baroaltitude
+UAVOBJSRCFILENAMES += baroairspeed
 UAVOBJSRCFILENAMES += flightbatterysettings
 UAVOBJSRCFILENAMES += firmwareiapobj
 UAVOBJSRCFILENAMES += flightbatterystate
diff --git a/ground/openpilotgcs/src/plugins/uavobjects/uavobjects.pro b/ground/openpilotgcs/src/plugins/uavobjects/uavobjects.pro
index 456d25047..2ddf50b4d 100644
--- a/ground/openpilotgcs/src/plugins/uavobjects/uavobjects.pro
+++ b/ground/openpilotgcs/src/plugins/uavobjects/uavobjects.pro
@@ -25,6 +25,7 @@ OTHER_FILES += UAVObjects.pluginspec
 # Add in all of the synthetic/generated uavobject files
 HEADERS += $$UAVOBJECT_SYNTHETICS/accessorydesired.h \
     $$UAVOBJECT_SYNTHETICS/baroaltitude.h \
+    $$UAVOBJECT_SYNTHETICS/baroairspeed.h \
     $$UAVOBJECT_SYNTHETICS/attitudeactual.h \
     $$UAVOBJECT_SYNTHETICS/altholdsmoothed.h \
     $$UAVOBJECT_SYNTHETICS/altitudeholddesired.h \
@@ -83,6 +84,7 @@ HEADERS += $$UAVOBJECT_SYNTHETICS/accessorydesired.h \
 
 SOURCES += $$UAVOBJECT_SYNTHETICS/accessorydesired.cpp \
     $$UAVOBJECT_SYNTHETICS/baroaltitude.cpp \
+    $$UAVOBJECT_SYNTHETICS/baroairspeed.cpp \
     $$UAVOBJECT_SYNTHETICS/attitudeactual.cpp \
     $$UAVOBJECT_SYNTHETICS/altholdsmoothed.cpp \
     $$UAVOBJECT_SYNTHETICS/altitudeholddesired.cpp \