diff --git a/flight/PiOS/Common/pios_etasv3.c b/flight/PiOS/Common/pios_etasv3.c
new file mode 100644
index 000000000..6c7cac483
--- /dev/null
+++ b/flight/PiOS/Common/pios_etasv3.c
@@ -0,0 +1,77 @@
+/**
+  ******************************************************************************
+  * @addtogroup PIOS PIOS Core hardware abstraction layer
+  * @{
+  * @addtogroup PIOS_ETASV3 ETASV3 Functions
+  * @brief Hardware functions to deal with the Eagle Tree Airspeed MicroSensor V3
+  * @{
+  *
+  * @file       pios_etasv3.c
+  * @author     The OpenPilot Team, http://www.openpilot.org Copyright (C) 2012.
+  * @brief      ETASV3 Airspeed Sensor Driver
+  * @see        The GNU Public License (GPL) Version 3
+  *
+  ******************************************************************************/
+/* 
+ * This program is free software; you can redistribute it and/or modify 
+ * it under the terms of the GNU General Public License as published by 
+ * the Free Software Foundation; either version 3 of the License, or 
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful, but 
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 
+ * for more details.
+ * 
+ * You should have received a copy of the GNU General Public License along 
+ * with this program; if not, write to the Free Software Foundation, Inc., 
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+/* Project Includes */
+#include "pios.h"
+
+#if defined(PIOS_INCLUDE_ETASV3)
+
+#include "pios_etasv3.h"
+
+static bool PIOS_ETASV3_Read(uint8_t command, uint8_t * buffer, uint8_t len)
+{
+	uint8_t cmd_buffer[] = {
+		command,
+	};
+
+	const struct pios_i2c_txn txn_list[] = {
+		{
+		 .info = __func__,
+		 .addr = ETASV3_I2C_ADDR,
+		 .rw = PIOS_I2C_TXN_WRITE,
+		 .len = sizeof(cmd_buffer),
+		 .buf = cmd_buffer,
+		 }
+		,
+		{
+		 .info = __func__,
+		 .addr = ETASV3_I2C_ADDR,
+		 .rw = PIOS_I2C_TXN_READ,
+		 .len = len,
+		 .buf = buffer,
+		 }
+	};
+
+	return PIOS_I2C_Transfer(PIOS_I2C_ETASV3_ADAPTER, txn_list, NELEMENTS(txn_list));
+}
+
+int16_t PIOS_ETASV3_ReadAirspeed (void)
+{
+	uint8_t airspeed_raw[2];
+
+	if (!PIOS_ETASV3_Read(ETASV3_I2C_READ_CMD, airspeed_raw, sizeof(airspeed_raw))) {
+		/* Failed to read airspeed */
+		return -1;
+	}
+
+	return (airspeed_raw[0] << 8 || airspeed_raw[1]);
+}
+
+#endif /* PIOS_INCLUDE_ETASV3 */
diff --git a/flight/PiOS/inc/pios_etasv3.h b/flight/PiOS/inc/pios_etasv3.h
new file mode 100644
index 000000000..82949a2ef
--- /dev/null
+++ b/flight/PiOS/inc/pios_etasv3.h
@@ -0,0 +1,32 @@
+/**
+  ******************************************************************************
+  * @addtogroup PIOS PIOS Core hardware abstraction layer
+  * @{
+  * @addtogroup PIOS_ETASV3 ETASV3 Functions
+  * @brief Hardware functions to deal with the Eagle Tree Airspeed MicroSensor V3
+  * @{
+  *
+  * @file       pios_etasv3.h
+  * @author     The OpenPilot Team, http://www.openpilot.org Copyright (C) 2012.
+  * @brief      ETASV3 Airspeed Sensor Driver
+  * @see        The GNU Public License (GPL) Version 3
+  *
+  ******************************************************************************/
+/* 
+ * This program is free software; you can redistribute it and/or modify 
+ * it under the terms of the GNU General Public License as published by 
+ * the Free Software Foundation; either version 3 of the License, or 
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful, but 
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 
+ * for more details.
+ * 
+ * You should have received a copy of the GNU General Public License along 
+ * with this program; if not, write to the Free Software Foundation, Inc., 
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#define ETASV3_I2C_ADDR			0x75
+#define ETASV3_I2C_READ_CMD		0x07