diff --git a/libraries/GCS_MAVLink/include/ardupilotmega/ardupilotmega.h b/libraries/GCS_MAVLink/include/ardupilotmega/ardupilotmega.h
index 99a5b60d8e..3e5c53c1d9 100644
--- a/libraries/GCS_MAVLink/include/ardupilotmega/ardupilotmega.h
+++ b/libraries/GCS_MAVLink/include/ardupilotmega/ardupilotmega.h
@@ -16,11 +16,11 @@ extern "C" {
 #endif
 
 #ifndef MAVLINK_MESSAGE_CRCS
-#define MAVLINK_MESSAGE_CRCS {72, 39, 190, 92, 191, 217, 104, 119, 0, 219, 60, 186, 10, 0, 0, 0, 0, 0, 0, 0, 89, 159, 162, 121, 0, 149, 222, 110, 179, 136, 66, 126, 185, 147, 112, 252, 162, 215, 229, 128, 9, 106, 101, 213, 4, 229, 21, 214, 215, 14, 206, 50, 157, 126, 108, 213, 95, 5, 127, 0, 0, 0, 57, 126, 130, 119, 193, 191, 236, 158, 143, 0, 0, 104, 123, 131, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 174, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 155, 0, 0, 0, 0, 0, 0, 0, 0, 0, 143, 29, 208, 188, 118, 242, 19, 97, 233, 0, 18, 68, 136, 205, 42, 21, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 178, 224, 60, 106, 7}
+#define MAVLINK_MESSAGE_CRCS {72, 39, 190, 92, 191, 217, 104, 119, 0, 219, 60, 186, 10, 0, 0, 0, 0, 0, 0, 0, 89, 159, 162, 121, 0, 149, 222, 110, 179, 136, 66, 126, 185, 147, 112, 252, 162, 215, 229, 128, 9, 106, 101, 213, 4, 229, 21, 214, 215, 14, 206, 50, 157, 126, 108, 213, 95, 5, 127, 0, 0, 0, 57, 126, 130, 119, 193, 191, 236, 158, 143, 0, 0, 104, 123, 131, 8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 174, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 155, 0, 0, 0, 0, 0, 0, 0, 0, 0, 143, 29, 208, 188, 118, 242, 19, 97, 233, 0, 18, 68, 136, 127, 42, 21, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 178, 224, 60, 106, 7}
 #endif
 
 #ifndef MAVLINK_MESSAGE_INFO
-#define MAVLINK_MESSAGE_INFO {MAVLINK_MESSAGE_INFO_HEARTBEAT, MAVLINK_MESSAGE_INFO_BOOT, MAVLINK_MESSAGE_INFO_SYSTEM_TIME, MAVLINK_MESSAGE_INFO_PING, MAVLINK_MESSAGE_INFO_SYSTEM_TIME_UTC, MAVLINK_MESSAGE_INFO_CHANGE_OPERATOR_CONTROL, MAVLINK_MESSAGE_INFO_CHANGE_OPERATOR_CONTROL_ACK, MAVLINK_MESSAGE_INFO_AUTH_KEY, {NULL}, MAVLINK_MESSAGE_INFO_ACTION_ACK, MAVLINK_MESSAGE_INFO_ACTION, MAVLINK_MESSAGE_INFO_SET_MODE, MAVLINK_MESSAGE_INFO_SET_NAV_MODE, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, MAVLINK_MESSAGE_INFO_PARAM_REQUEST_READ, MAVLINK_MESSAGE_INFO_PARAM_REQUEST_LIST, MAVLINK_MESSAGE_INFO_PARAM_VALUE, MAVLINK_MESSAGE_INFO_PARAM_SET, {NULL}, MAVLINK_MESSAGE_INFO_GPS_RAW_INT, MAVLINK_MESSAGE_INFO_SCALED_IMU, MAVLINK_MESSAGE_INFO_GPS_STATUS, MAVLINK_MESSAGE_INFO_RAW_IMU, MAVLINK_MESSAGE_INFO_RAW_PRESSURE, MAVLINK_MESSAGE_INFO_ATTITUDE, MAVLINK_MESSAGE_INFO_LOCAL_POSITION, MAVLINK_MESSAGE_INFO_GPS_RAW, MAVLINK_MESSAGE_INFO_GLOBAL_POSITION, MAVLINK_MESSAGE_INFO_SYS_STATUS, MAVLINK_MESSAGE_INFO_RC_CHANNELS_RAW, MAVLINK_MESSAGE_INFO_RC_CHANNELS_SCALED, MAVLINK_MESSAGE_INFO_SERVO_OUTPUT_RAW, MAVLINK_MESSAGE_INFO_SCALED_PRESSURE, MAVLINK_MESSAGE_INFO_WAYPOINT, MAVLINK_MESSAGE_INFO_WAYPOINT_REQUEST, MAVLINK_MESSAGE_INFO_WAYPOINT_SET_CURRENT, MAVLINK_MESSAGE_INFO_WAYPOINT_CURRENT, MAVLINK_MESSAGE_INFO_WAYPOINT_REQUEST_LIST, MAVLINK_MESSAGE_INFO_WAYPOINT_COUNT, MAVLINK_MESSAGE_INFO_WAYPOINT_CLEAR_ALL, MAVLINK_MESSAGE_INFO_WAYPOINT_REACHED, MAVLINK_MESSAGE_INFO_WAYPOINT_ACK, MAVLINK_MESSAGE_INFO_GPS_SET_GLOBAL_ORIGIN, MAVLINK_MESSAGE_INFO_GPS_LOCAL_ORIGIN_SET, MAVLINK_MESSAGE_INFO_LOCAL_POSITION_SETPOINT_SET, MAVLINK_MESSAGE_INFO_LOCAL_POSITION_SETPOINT, MAVLINK_MESSAGE_INFO_CONTROL_STATUS, MAVLINK_MESSAGE_INFO_SAFETY_SET_ALLOWED_AREA, MAVLINK_MESSAGE_INFO_SAFETY_ALLOWED_AREA, MAVLINK_MESSAGE_INFO_SET_ROLL_PITCH_YAW_THRUST, MAVLINK_MESSAGE_INFO_SET_ROLL_PITCH_YAW_SPEED_THRUST, MAVLINK_MESSAGE_INFO_ROLL_PITCH_YAW_THRUST_SETPOINT, MAVLINK_MESSAGE_INFO_ROLL_PITCH_YAW_SPEED_THRUST_SETPOINT, {NULL}, {NULL}, {NULL}, MAVLINK_MESSAGE_INFO_NAV_CONTROLLER_OUTPUT, MAVLINK_MESSAGE_INFO_POSITION_TARGET, MAVLINK_MESSAGE_INFO_STATE_CORRECTION, MAVLINK_MESSAGE_INFO_SET_ALTITUDE, MAVLINK_MESSAGE_INFO_REQUEST_DATA_STREAM, MAVLINK_MESSAGE_INFO_HIL_STATE, MAVLINK_MESSAGE_INFO_HIL_CONTROLS, MAVLINK_MESSAGE_INFO_MANUAL_CONTROL, MAVLINK_MESSAGE_INFO_RC_CHANNELS_OVERRIDE, {NULL}, {NULL}, MAVLINK_MESSAGE_INFO_GLOBAL_POSITION_INT, MAVLINK_MESSAGE_INFO_VFR_HUD, MAVLINK_MESSAGE_INFO_COMMAND, MAVLINK_MESSAGE_INFO_COMMAND_ACK, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, MAVLINK_MESSAGE_INFO_OPTICAL_FLOW, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, MAVLINK_MESSAGE_INFO_OBJECT_DETECTION_EVENT, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, MAVLINK_MESSAGE_INFO_SENSOR_OFFSETS, MAVLINK_MESSAGE_INFO_SET_MAG_OFFSETS, MAVLINK_MESSAGE_INFO_MEMINFO, MAVLINK_MESSAGE_INFO_AP_ADC, MAVLINK_MESSAGE_INFO_DIGICAM_CONFIGURE, MAVLINK_MESSAGE_INFO_DIGICAM_CONTROL, MAVLINK_MESSAGE_INFO_MOUNT_CONFIGURE, MAVLINK_MESSAGE_INFO_MOUNT_CONTROL, MAVLINK_MESSAGE_INFO_MOUNT_STATUS, {NULL}, MAVLINK_MESSAGE_INFO_FENCE_POINT, MAVLINK_MESSAGE_INFO_FENCE_FETCH_POINT, MAVLINK_MESSAGE_INFO_FENCE_STATUS, MAVLINK_MESSAGE_INFO_DCM, MAVLINK_MESSAGE_INFO_SIMSTATE, MAVLINK_MESSAGE_INFO_HWSTATUS, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, MAVLINK_MESSAGE_INFO_DEBUG_VECT, MAVLINK_MESSAGE_INFO_NAMED_VALUE_FLOAT, MAVLINK_MESSAGE_INFO_NAMED_VALUE_INT, MAVLINK_MESSAGE_INFO_STATUSTEXT, MAVLINK_MESSAGE_INFO_DEBUG}
+#define MAVLINK_MESSAGE_INFO {MAVLINK_MESSAGE_INFO_HEARTBEAT, MAVLINK_MESSAGE_INFO_BOOT, MAVLINK_MESSAGE_INFO_SYSTEM_TIME, MAVLINK_MESSAGE_INFO_PING, MAVLINK_MESSAGE_INFO_SYSTEM_TIME_UTC, MAVLINK_MESSAGE_INFO_CHANGE_OPERATOR_CONTROL, MAVLINK_MESSAGE_INFO_CHANGE_OPERATOR_CONTROL_ACK, MAVLINK_MESSAGE_INFO_AUTH_KEY, {NULL}, MAVLINK_MESSAGE_INFO_ACTION_ACK, MAVLINK_MESSAGE_INFO_ACTION, MAVLINK_MESSAGE_INFO_SET_MODE, MAVLINK_MESSAGE_INFO_SET_NAV_MODE, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, MAVLINK_MESSAGE_INFO_PARAM_REQUEST_READ, MAVLINK_MESSAGE_INFO_PARAM_REQUEST_LIST, MAVLINK_MESSAGE_INFO_PARAM_VALUE, MAVLINK_MESSAGE_INFO_PARAM_SET, {NULL}, MAVLINK_MESSAGE_INFO_GPS_RAW_INT, MAVLINK_MESSAGE_INFO_SCALED_IMU, MAVLINK_MESSAGE_INFO_GPS_STATUS, MAVLINK_MESSAGE_INFO_RAW_IMU, MAVLINK_MESSAGE_INFO_RAW_PRESSURE, MAVLINK_MESSAGE_INFO_ATTITUDE, MAVLINK_MESSAGE_INFO_LOCAL_POSITION, MAVLINK_MESSAGE_INFO_GPS_RAW, MAVLINK_MESSAGE_INFO_GLOBAL_POSITION, MAVLINK_MESSAGE_INFO_SYS_STATUS, MAVLINK_MESSAGE_INFO_RC_CHANNELS_RAW, MAVLINK_MESSAGE_INFO_RC_CHANNELS_SCALED, MAVLINK_MESSAGE_INFO_SERVO_OUTPUT_RAW, MAVLINK_MESSAGE_INFO_SCALED_PRESSURE, MAVLINK_MESSAGE_INFO_WAYPOINT, MAVLINK_MESSAGE_INFO_WAYPOINT_REQUEST, MAVLINK_MESSAGE_INFO_WAYPOINT_SET_CURRENT, MAVLINK_MESSAGE_INFO_WAYPOINT_CURRENT, MAVLINK_MESSAGE_INFO_WAYPOINT_REQUEST_LIST, MAVLINK_MESSAGE_INFO_WAYPOINT_COUNT, MAVLINK_MESSAGE_INFO_WAYPOINT_CLEAR_ALL, MAVLINK_MESSAGE_INFO_WAYPOINT_REACHED, MAVLINK_MESSAGE_INFO_WAYPOINT_ACK, MAVLINK_MESSAGE_INFO_GPS_SET_GLOBAL_ORIGIN, MAVLINK_MESSAGE_INFO_GPS_LOCAL_ORIGIN_SET, MAVLINK_MESSAGE_INFO_LOCAL_POSITION_SETPOINT_SET, MAVLINK_MESSAGE_INFO_LOCAL_POSITION_SETPOINT, MAVLINK_MESSAGE_INFO_CONTROL_STATUS, MAVLINK_MESSAGE_INFO_SAFETY_SET_ALLOWED_AREA, MAVLINK_MESSAGE_INFO_SAFETY_ALLOWED_AREA, MAVLINK_MESSAGE_INFO_SET_ROLL_PITCH_YAW_THRUST, MAVLINK_MESSAGE_INFO_SET_ROLL_PITCH_YAW_SPEED_THRUST, MAVLINK_MESSAGE_INFO_ROLL_PITCH_YAW_THRUST_SETPOINT, MAVLINK_MESSAGE_INFO_ROLL_PITCH_YAW_SPEED_THRUST_SETPOINT, {NULL}, {NULL}, {NULL}, MAVLINK_MESSAGE_INFO_NAV_CONTROLLER_OUTPUT, MAVLINK_MESSAGE_INFO_POSITION_TARGET, MAVLINK_MESSAGE_INFO_STATE_CORRECTION, MAVLINK_MESSAGE_INFO_SET_ALTITUDE, MAVLINK_MESSAGE_INFO_REQUEST_DATA_STREAM, MAVLINK_MESSAGE_INFO_HIL_STATE, MAVLINK_MESSAGE_INFO_HIL_CONTROLS, MAVLINK_MESSAGE_INFO_MANUAL_CONTROL, MAVLINK_MESSAGE_INFO_RC_CHANNELS_OVERRIDE, {NULL}, {NULL}, MAVLINK_MESSAGE_INFO_GLOBAL_POSITION_INT, MAVLINK_MESSAGE_INFO_VFR_HUD, MAVLINK_MESSAGE_INFO_COMMAND, MAVLINK_MESSAGE_INFO_COMMAND_ACK, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, MAVLINK_MESSAGE_INFO_OPTICAL_FLOW, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, MAVLINK_MESSAGE_INFO_OBJECT_DETECTION_EVENT, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, MAVLINK_MESSAGE_INFO_SENSOR_OFFSETS, MAVLINK_MESSAGE_INFO_SET_MAG_OFFSETS, MAVLINK_MESSAGE_INFO_MEMINFO, MAVLINK_MESSAGE_INFO_AP_ADC, MAVLINK_MESSAGE_INFO_DIGICAM_CONFIGURE, MAVLINK_MESSAGE_INFO_DIGICAM_CONTROL, MAVLINK_MESSAGE_INFO_MOUNT_CONFIGURE, MAVLINK_MESSAGE_INFO_MOUNT_CONTROL, MAVLINK_MESSAGE_INFO_MOUNT_STATUS, {NULL}, MAVLINK_MESSAGE_INFO_FENCE_POINT, MAVLINK_MESSAGE_INFO_FENCE_FETCH_POINT, MAVLINK_MESSAGE_INFO_FENCE_STATUS, MAVLINK_MESSAGE_INFO_AHRS, MAVLINK_MESSAGE_INFO_SIMSTATE, MAVLINK_MESSAGE_INFO_HWSTATUS, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, MAVLINK_MESSAGE_INFO_DEBUG_VECT, MAVLINK_MESSAGE_INFO_NAMED_VALUE_FLOAT, MAVLINK_MESSAGE_INFO_NAMED_VALUE_INT, MAVLINK_MESSAGE_INFO_STATUSTEXT, MAVLINK_MESSAGE_INFO_DEBUG}
 #endif
 
 #include "../protocol.h"
@@ -143,7 +143,7 @@ enum FENCE_BREACH
 #include "./mavlink_msg_fence_point.h"
 #include "./mavlink_msg_fence_fetch_point.h"
 #include "./mavlink_msg_fence_status.h"
-#include "./mavlink_msg_dcm.h"
+#include "./mavlink_msg_ahrs.h"
 #include "./mavlink_msg_simstate.h"
 #include "./mavlink_msg_hwstatus.h"
 
diff --git a/libraries/GCS_MAVLink/include/ardupilotmega/testsuite.h b/libraries/GCS_MAVLink/include/ardupilotmega/testsuite.h
index 957bd99ca5..27485947c3 100644
--- a/libraries/GCS_MAVLink/include/ardupilotmega/testsuite.h
+++ b/libraries/GCS_MAVLink/include/ardupilotmega/testsuite.h
@@ -668,12 +668,12 @@ static void mavlink_test_fence_status(uint8_t system_id, uint8_t component_id, m
         MAVLINK_ASSERT(memcmp(&packet1, &packet2, sizeof(packet1)) == 0);
 }
 
-static void mavlink_test_dcm(uint8_t system_id, uint8_t component_id, mavlink_message_t *last_msg)
+static void mavlink_test_ahrs(uint8_t system_id, uint8_t component_id, mavlink_message_t *last_msg)
 {
 	mavlink_message_t msg;
         uint8_t buffer[MAVLINK_MAX_PACKET_LEN];
         uint16_t i;
-	mavlink_dcm_t packet_in = {
+	mavlink_ahrs_t packet_in = {
 		17.0,
 	45.0,
 	73.0,
@@ -682,7 +682,7 @@ static void mavlink_test_dcm(uint8_t system_id, uint8_t component_id, mavlink_me
 	157.0,
 	185.0,
 	};
-	mavlink_dcm_t packet1, packet2;
+	mavlink_ahrs_t packet1, packet2;
         memset(&packet1, 0, sizeof(packet1));
 		packet1.omegaIx = packet_in.omegaIx;
 		packet1.omegaIy = packet_in.omegaIy;
@@ -695,18 +695,18 @@ static void mavlink_test_dcm(uint8_t system_id, uint8_t component_id, mavlink_me
 
 
         memset(&packet2, 0, sizeof(packet2));
-	mavlink_msg_dcm_encode(system_id, component_id, &msg, &packet1);
-	mavlink_msg_dcm_decode(&msg, &packet2);
+	mavlink_msg_ahrs_encode(system_id, component_id, &msg, &packet1);
+	mavlink_msg_ahrs_decode(&msg, &packet2);
         MAVLINK_ASSERT(memcmp(&packet1, &packet2, sizeof(packet1)) == 0);
 
         memset(&packet2, 0, sizeof(packet2));
-	mavlink_msg_dcm_pack(system_id, component_id, &msg , packet1.omegaIx , packet1.omegaIy , packet1.omegaIz , packet1.accel_weight , packet1.renorm_val , packet1.error_rp , packet1.error_yaw );
-	mavlink_msg_dcm_decode(&msg, &packet2);
+	mavlink_msg_ahrs_pack(system_id, component_id, &msg , packet1.omegaIx , packet1.omegaIy , packet1.omegaIz , packet1.accel_weight , packet1.renorm_val , packet1.error_rp , packet1.error_yaw );
+	mavlink_msg_ahrs_decode(&msg, &packet2);
         MAVLINK_ASSERT(memcmp(&packet1, &packet2, sizeof(packet1)) == 0);
 
         memset(&packet2, 0, sizeof(packet2));
-	mavlink_msg_dcm_pack_chan(system_id, component_id, MAVLINK_COMM_0, &msg , packet1.omegaIx , packet1.omegaIy , packet1.omegaIz , packet1.accel_weight , packet1.renorm_val , packet1.error_rp , packet1.error_yaw );
-	mavlink_msg_dcm_decode(&msg, &packet2);
+	mavlink_msg_ahrs_pack_chan(system_id, component_id, MAVLINK_COMM_0, &msg , packet1.omegaIx , packet1.omegaIy , packet1.omegaIz , packet1.accel_weight , packet1.renorm_val , packet1.error_rp , packet1.error_yaw );
+	mavlink_msg_ahrs_decode(&msg, &packet2);
         MAVLINK_ASSERT(memcmp(&packet1, &packet2, sizeof(packet1)) == 0);
 
         memset(&packet2, 0, sizeof(packet2));
@@ -714,12 +714,12 @@ static void mavlink_test_dcm(uint8_t system_id, uint8_t component_id, mavlink_me
         for (i=0; i<mavlink_msg_get_send_buffer_length(&msg); i++) {
 		comm_send_ch(MAVLINK_COMM_0, buffer[i]);
         }
-	mavlink_msg_dcm_decode(last_msg, &packet2);
+	mavlink_msg_ahrs_decode(last_msg, &packet2);
         MAVLINK_ASSERT(memcmp(&packet1, &packet2, sizeof(packet1)) == 0);
 
         memset(&packet2, 0, sizeof(packet2));
-	mavlink_msg_dcm_send(MAVLINK_COMM_1 , packet1.omegaIx , packet1.omegaIy , packet1.omegaIz , packet1.accel_weight , packet1.renorm_val , packet1.error_rp , packet1.error_yaw );
-	mavlink_msg_dcm_decode(last_msg, &packet2);
+	mavlink_msg_ahrs_send(MAVLINK_COMM_1 , packet1.omegaIx , packet1.omegaIy , packet1.omegaIz , packet1.accel_weight , packet1.renorm_val , packet1.error_rp , packet1.error_yaw );
+	mavlink_msg_ahrs_decode(last_msg, &packet2);
         MAVLINK_ASSERT(memcmp(&packet1, &packet2, sizeof(packet1)) == 0);
 }
 
@@ -841,7 +841,7 @@ static void mavlink_test_ardupilotmega(uint8_t system_id, uint8_t component_id,
 	mavlink_test_fence_point(system_id, component_id, last_msg);
 	mavlink_test_fence_fetch_point(system_id, component_id, last_msg);
 	mavlink_test_fence_status(system_id, component_id, last_msg);
-	mavlink_test_dcm(system_id, component_id, last_msg);
+	mavlink_test_ahrs(system_id, component_id, last_msg);
 	mavlink_test_simstate(system_id, component_id, last_msg);
 	mavlink_test_hwstatus(system_id, component_id, last_msg);
 }
diff --git a/libraries/GCS_MAVLink/include/ardupilotmega/version.h b/libraries/GCS_MAVLink/include/ardupilotmega/version.h
index 21ba95a5b6..15d035cdf6 100644
--- a/libraries/GCS_MAVLink/include/ardupilotmega/version.h
+++ b/libraries/GCS_MAVLink/include/ardupilotmega/version.h
@@ -5,7 +5,7 @@
 #ifndef MAVLINK_VERSION_H
 #define MAVLINK_VERSION_H
 
-#define MAVLINK_BUILD_DATE "Sat Mar 10 09:38:12 2012"
+#define MAVLINK_BUILD_DATE "Sun Mar 11 19:38:21 2012"
 #define MAVLINK_WIRE_PROTOCOL_VERSION "0.9"
 #define MAVLINK_MAX_DIALECT_PAYLOAD_SIZE 101
  
diff --git a/libraries/GCS_MAVLink/include/common/version.h b/libraries/GCS_MAVLink/include/common/version.h
index 827cc5a715..390e08d921 100644
--- a/libraries/GCS_MAVLink/include/common/version.h
+++ b/libraries/GCS_MAVLink/include/common/version.h
@@ -5,7 +5,7 @@
 #ifndef MAVLINK_VERSION_H
 #define MAVLINK_VERSION_H
 
-#define MAVLINK_BUILD_DATE "Sat Mar 10 09:38:12 2012"
+#define MAVLINK_BUILD_DATE "Sun Mar 11 19:38:21 2012"
 #define MAVLINK_WIRE_PROTOCOL_VERSION "0.9"
 #define MAVLINK_MAX_DIALECT_PAYLOAD_SIZE 101
  
diff --git a/libraries/GCS_MAVLink/include_v1.0/ardupilotmega/ardupilotmega.h b/libraries/GCS_MAVLink/include_v1.0/ardupilotmega/ardupilotmega.h
index b071f8ba8f..f7ad8d52a5 100644
--- a/libraries/GCS_MAVLink/include_v1.0/ardupilotmega/ardupilotmega.h
+++ b/libraries/GCS_MAVLink/include_v1.0/ardupilotmega/ardupilotmega.h
@@ -16,11 +16,11 @@ extern "C" {
 #endif
 
 #ifndef MAVLINK_MESSAGE_CRCS
-#define MAVLINK_MESSAGE_CRCS {50, 124, 137, 0, 237, 217, 104, 119, 0, 0, 0, 89, 0, 0, 0, 0, 0, 0, 0, 0, 214, 159, 220, 168, 24, 23, 170, 144, 67, 115, 39, 246, 185, 104, 237, 244, 222, 212, 9, 254, 230, 28, 28, 132, 221, 232, 11, 153, 41, 39, 214, 223, 141, 33, 15, 3, 100, 24, 239, 238, 0, 0, 183, 0, 130, 0, 148, 21, 0, 52, 124, 0, 0, 0, 20, 0, 152, 143, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 183, 63, 54, 0, 0, 0, 0, 0, 0, 0, 19, 102, 158, 208, 56, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 134, 219, 208, 188, 84, 22, 19, 21, 134, 0, 78, 68, 189, 205, 42, 21, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 204, 49, 170, 44, 83, 46, 247}
+#define MAVLINK_MESSAGE_CRCS {50, 124, 137, 0, 237, 217, 104, 119, 0, 0, 0, 89, 0, 0, 0, 0, 0, 0, 0, 0, 214, 159, 220, 168, 24, 23, 170, 144, 67, 115, 39, 246, 185, 104, 237, 244, 222, 212, 9, 254, 230, 28, 28, 132, 221, 232, 11, 153, 41, 39, 214, 223, 141, 33, 15, 3, 100, 24, 239, 238, 0, 0, 183, 0, 130, 0, 148, 21, 0, 52, 124, 0, 0, 0, 20, 0, 152, 143, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 183, 63, 54, 0, 0, 0, 0, 0, 0, 0, 19, 102, 158, 208, 56, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 134, 219, 208, 188, 84, 22, 19, 21, 134, 0, 78, 68, 189, 127, 42, 21, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 204, 49, 170, 44, 83, 46, 247}
 #endif
 
 #ifndef MAVLINK_MESSAGE_INFO
-#define MAVLINK_MESSAGE_INFO {MAVLINK_MESSAGE_INFO_HEARTBEAT, MAVLINK_MESSAGE_INFO_SYS_STATUS, MAVLINK_MESSAGE_INFO_SYSTEM_TIME, {NULL}, MAVLINK_MESSAGE_INFO_PING, MAVLINK_MESSAGE_INFO_CHANGE_OPERATOR_CONTROL, MAVLINK_MESSAGE_INFO_CHANGE_OPERATOR_CONTROL_ACK, MAVLINK_MESSAGE_INFO_AUTH_KEY, {NULL}, {NULL}, {NULL}, MAVLINK_MESSAGE_INFO_SET_MODE, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, MAVLINK_MESSAGE_INFO_PARAM_REQUEST_READ, MAVLINK_MESSAGE_INFO_PARAM_REQUEST_LIST, MAVLINK_MESSAGE_INFO_PARAM_VALUE, MAVLINK_MESSAGE_INFO_PARAM_SET, MAVLINK_MESSAGE_INFO_GPS_RAW_INT, MAVLINK_MESSAGE_INFO_GPS_STATUS, MAVLINK_MESSAGE_INFO_SCALED_IMU, MAVLINK_MESSAGE_INFO_RAW_IMU, MAVLINK_MESSAGE_INFO_RAW_PRESSURE, MAVLINK_MESSAGE_INFO_SCALED_PRESSURE, MAVLINK_MESSAGE_INFO_ATTITUDE, MAVLINK_MESSAGE_INFO_ATTITUDE_QUATERNION, MAVLINK_MESSAGE_INFO_LOCAL_POSITION_NED, MAVLINK_MESSAGE_INFO_GLOBAL_POSITION_INT, MAVLINK_MESSAGE_INFO_RC_CHANNELS_SCALED, MAVLINK_MESSAGE_INFO_RC_CHANNELS_RAW, MAVLINK_MESSAGE_INFO_SERVO_OUTPUT_RAW, MAVLINK_MESSAGE_INFO_MISSION_REQUEST_PARTIAL_LIST, MAVLINK_MESSAGE_INFO_MISSION_WRITE_PARTIAL_LIST, MAVLINK_MESSAGE_INFO_MISSION_ITEM, MAVLINK_MESSAGE_INFO_MISSION_REQUEST, MAVLINK_MESSAGE_INFO_MISSION_SET_CURRENT, MAVLINK_MESSAGE_INFO_MISSION_CURRENT, MAVLINK_MESSAGE_INFO_MISSION_REQUEST_LIST, MAVLINK_MESSAGE_INFO_MISSION_COUNT, MAVLINK_MESSAGE_INFO_MISSION_CLEAR_ALL, MAVLINK_MESSAGE_INFO_MISSION_ITEM_REACHED, MAVLINK_MESSAGE_INFO_MISSION_ACK, MAVLINK_MESSAGE_INFO_SET_GPS_GLOBAL_ORIGIN, MAVLINK_MESSAGE_INFO_GPS_GLOBAL_ORIGIN, MAVLINK_MESSAGE_INFO_SET_LOCAL_POSITION_SETPOINT, MAVLINK_MESSAGE_INFO_LOCAL_POSITION_SETPOINT, MAVLINK_MESSAGE_INFO_GLOBAL_POSITION_SETPOINT_INT, MAVLINK_MESSAGE_INFO_SET_GLOBAL_POSITION_SETPOINT_INT, MAVLINK_MESSAGE_INFO_SAFETY_SET_ALLOWED_AREA, MAVLINK_MESSAGE_INFO_SAFETY_ALLOWED_AREA, MAVLINK_MESSAGE_INFO_SET_ROLL_PITCH_YAW_THRUST, MAVLINK_MESSAGE_INFO_SET_ROLL_PITCH_YAW_SPEED_THRUST, MAVLINK_MESSAGE_INFO_ROLL_PITCH_YAW_THRUST_SETPOINT, MAVLINK_MESSAGE_INFO_ROLL_PITCH_YAW_SPEED_THRUST_SETPOINT, {NULL}, {NULL}, MAVLINK_MESSAGE_INFO_NAV_CONTROLLER_OUTPUT, {NULL}, MAVLINK_MESSAGE_INFO_STATE_CORRECTION, {NULL}, MAVLINK_MESSAGE_INFO_REQUEST_DATA_STREAM, MAVLINK_MESSAGE_INFO_DATA_STREAM, {NULL}, MAVLINK_MESSAGE_INFO_MANUAL_CONTROL, MAVLINK_MESSAGE_INFO_RC_CHANNELS_OVERRIDE, {NULL}, {NULL}, {NULL}, MAVLINK_MESSAGE_INFO_VFR_HUD, {NULL}, MAVLINK_MESSAGE_INFO_COMMAND_LONG, MAVLINK_MESSAGE_INFO_COMMAND_ACK, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, MAVLINK_MESSAGE_INFO_HIL_STATE, MAVLINK_MESSAGE_INFO_HIL_CONTROLS, MAVLINK_MESSAGE_INFO_HIL_RC_INPUTS_RAW, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, MAVLINK_MESSAGE_INFO_OPTICAL_FLOW, MAVLINK_MESSAGE_INFO_GLOBAL_VISION_POSITION_ESTIMATE, MAVLINK_MESSAGE_INFO_VISION_POSITION_ESTIMATE, MAVLINK_MESSAGE_INFO_VISION_SPEED_ESTIMATE, MAVLINK_MESSAGE_INFO_VICON_POSITION_ESTIMATE, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, MAVLINK_MESSAGE_INFO_SENSOR_OFFSETS, MAVLINK_MESSAGE_INFO_SET_MAG_OFFSETS, MAVLINK_MESSAGE_INFO_MEMINFO, MAVLINK_MESSAGE_INFO_AP_ADC, MAVLINK_MESSAGE_INFO_DIGICAM_CONFIGURE, MAVLINK_MESSAGE_INFO_DIGICAM_CONTROL, MAVLINK_MESSAGE_INFO_MOUNT_CONFIGURE, MAVLINK_MESSAGE_INFO_MOUNT_CONTROL, MAVLINK_MESSAGE_INFO_MOUNT_STATUS, {NULL}, MAVLINK_MESSAGE_INFO_FENCE_POINT, MAVLINK_MESSAGE_INFO_FENCE_FETCH_POINT, MAVLINK_MESSAGE_INFO_FENCE_STATUS, MAVLINK_MESSAGE_INFO_DCM, MAVLINK_MESSAGE_INFO_SIMSTATE, MAVLINK_MESSAGE_INFO_HWSTATUS, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, MAVLINK_MESSAGE_INFO_MEMORY_VECT, MAVLINK_MESSAGE_INFO_DEBUG_VECT, MAVLINK_MESSAGE_INFO_NAMED_VALUE_FLOAT, MAVLINK_MESSAGE_INFO_NAMED_VALUE_INT, MAVLINK_MESSAGE_INFO_STATUSTEXT, MAVLINK_MESSAGE_INFO_DEBUG, MAVLINK_MESSAGE_INFO_EXTENDED_MESSAGE}
+#define MAVLINK_MESSAGE_INFO {MAVLINK_MESSAGE_INFO_HEARTBEAT, MAVLINK_MESSAGE_INFO_SYS_STATUS, MAVLINK_MESSAGE_INFO_SYSTEM_TIME, {NULL}, MAVLINK_MESSAGE_INFO_PING, MAVLINK_MESSAGE_INFO_CHANGE_OPERATOR_CONTROL, MAVLINK_MESSAGE_INFO_CHANGE_OPERATOR_CONTROL_ACK, MAVLINK_MESSAGE_INFO_AUTH_KEY, {NULL}, {NULL}, {NULL}, MAVLINK_MESSAGE_INFO_SET_MODE, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, MAVLINK_MESSAGE_INFO_PARAM_REQUEST_READ, MAVLINK_MESSAGE_INFO_PARAM_REQUEST_LIST, MAVLINK_MESSAGE_INFO_PARAM_VALUE, MAVLINK_MESSAGE_INFO_PARAM_SET, MAVLINK_MESSAGE_INFO_GPS_RAW_INT, MAVLINK_MESSAGE_INFO_GPS_STATUS, MAVLINK_MESSAGE_INFO_SCALED_IMU, MAVLINK_MESSAGE_INFO_RAW_IMU, MAVLINK_MESSAGE_INFO_RAW_PRESSURE, MAVLINK_MESSAGE_INFO_SCALED_PRESSURE, MAVLINK_MESSAGE_INFO_ATTITUDE, MAVLINK_MESSAGE_INFO_ATTITUDE_QUATERNION, MAVLINK_MESSAGE_INFO_LOCAL_POSITION_NED, MAVLINK_MESSAGE_INFO_GLOBAL_POSITION_INT, MAVLINK_MESSAGE_INFO_RC_CHANNELS_SCALED, MAVLINK_MESSAGE_INFO_RC_CHANNELS_RAW, MAVLINK_MESSAGE_INFO_SERVO_OUTPUT_RAW, MAVLINK_MESSAGE_INFO_MISSION_REQUEST_PARTIAL_LIST, MAVLINK_MESSAGE_INFO_MISSION_WRITE_PARTIAL_LIST, MAVLINK_MESSAGE_INFO_MISSION_ITEM, MAVLINK_MESSAGE_INFO_MISSION_REQUEST, MAVLINK_MESSAGE_INFO_MISSION_SET_CURRENT, MAVLINK_MESSAGE_INFO_MISSION_CURRENT, MAVLINK_MESSAGE_INFO_MISSION_REQUEST_LIST, MAVLINK_MESSAGE_INFO_MISSION_COUNT, MAVLINK_MESSAGE_INFO_MISSION_CLEAR_ALL, MAVLINK_MESSAGE_INFO_MISSION_ITEM_REACHED, MAVLINK_MESSAGE_INFO_MISSION_ACK, MAVLINK_MESSAGE_INFO_SET_GPS_GLOBAL_ORIGIN, MAVLINK_MESSAGE_INFO_GPS_GLOBAL_ORIGIN, MAVLINK_MESSAGE_INFO_SET_LOCAL_POSITION_SETPOINT, MAVLINK_MESSAGE_INFO_LOCAL_POSITION_SETPOINT, MAVLINK_MESSAGE_INFO_GLOBAL_POSITION_SETPOINT_INT, MAVLINK_MESSAGE_INFO_SET_GLOBAL_POSITION_SETPOINT_INT, MAVLINK_MESSAGE_INFO_SAFETY_SET_ALLOWED_AREA, MAVLINK_MESSAGE_INFO_SAFETY_ALLOWED_AREA, MAVLINK_MESSAGE_INFO_SET_ROLL_PITCH_YAW_THRUST, MAVLINK_MESSAGE_INFO_SET_ROLL_PITCH_YAW_SPEED_THRUST, MAVLINK_MESSAGE_INFO_ROLL_PITCH_YAW_THRUST_SETPOINT, MAVLINK_MESSAGE_INFO_ROLL_PITCH_YAW_SPEED_THRUST_SETPOINT, {NULL}, {NULL}, MAVLINK_MESSAGE_INFO_NAV_CONTROLLER_OUTPUT, {NULL}, MAVLINK_MESSAGE_INFO_STATE_CORRECTION, {NULL}, MAVLINK_MESSAGE_INFO_REQUEST_DATA_STREAM, MAVLINK_MESSAGE_INFO_DATA_STREAM, {NULL}, MAVLINK_MESSAGE_INFO_MANUAL_CONTROL, MAVLINK_MESSAGE_INFO_RC_CHANNELS_OVERRIDE, {NULL}, {NULL}, {NULL}, MAVLINK_MESSAGE_INFO_VFR_HUD, {NULL}, MAVLINK_MESSAGE_INFO_COMMAND_LONG, MAVLINK_MESSAGE_INFO_COMMAND_ACK, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, MAVLINK_MESSAGE_INFO_HIL_STATE, MAVLINK_MESSAGE_INFO_HIL_CONTROLS, MAVLINK_MESSAGE_INFO_HIL_RC_INPUTS_RAW, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, MAVLINK_MESSAGE_INFO_OPTICAL_FLOW, MAVLINK_MESSAGE_INFO_GLOBAL_VISION_POSITION_ESTIMATE, MAVLINK_MESSAGE_INFO_VISION_POSITION_ESTIMATE, MAVLINK_MESSAGE_INFO_VISION_SPEED_ESTIMATE, MAVLINK_MESSAGE_INFO_VICON_POSITION_ESTIMATE, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, MAVLINK_MESSAGE_INFO_SENSOR_OFFSETS, MAVLINK_MESSAGE_INFO_SET_MAG_OFFSETS, MAVLINK_MESSAGE_INFO_MEMINFO, MAVLINK_MESSAGE_INFO_AP_ADC, MAVLINK_MESSAGE_INFO_DIGICAM_CONFIGURE, MAVLINK_MESSAGE_INFO_DIGICAM_CONTROL, MAVLINK_MESSAGE_INFO_MOUNT_CONFIGURE, MAVLINK_MESSAGE_INFO_MOUNT_CONTROL, MAVLINK_MESSAGE_INFO_MOUNT_STATUS, {NULL}, MAVLINK_MESSAGE_INFO_FENCE_POINT, MAVLINK_MESSAGE_INFO_FENCE_FETCH_POINT, MAVLINK_MESSAGE_INFO_FENCE_STATUS, MAVLINK_MESSAGE_INFO_AHRS, MAVLINK_MESSAGE_INFO_SIMSTATE, MAVLINK_MESSAGE_INFO_HWSTATUS, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, {NULL}, MAVLINK_MESSAGE_INFO_MEMORY_VECT, MAVLINK_MESSAGE_INFO_DEBUG_VECT, MAVLINK_MESSAGE_INFO_NAMED_VALUE_FLOAT, MAVLINK_MESSAGE_INFO_NAMED_VALUE_INT, MAVLINK_MESSAGE_INFO_STATUSTEXT, MAVLINK_MESSAGE_INFO_DEBUG, MAVLINK_MESSAGE_INFO_EXTENDED_MESSAGE}
 #endif
 
 #include "../protocol.h"
@@ -142,7 +142,7 @@ enum FENCE_BREACH
 #include "./mavlink_msg_fence_point.h"
 #include "./mavlink_msg_fence_fetch_point.h"
 #include "./mavlink_msg_fence_status.h"
-#include "./mavlink_msg_dcm.h"
+#include "./mavlink_msg_ahrs.h"
 #include "./mavlink_msg_simstate.h"
 #include "./mavlink_msg_hwstatus.h"
 
diff --git a/libraries/GCS_MAVLink/include_v1.0/ardupilotmega/testsuite.h b/libraries/GCS_MAVLink/include_v1.0/ardupilotmega/testsuite.h
index 5cda49612f..9bc89d25bb 100644
--- a/libraries/GCS_MAVLink/include_v1.0/ardupilotmega/testsuite.h
+++ b/libraries/GCS_MAVLink/include_v1.0/ardupilotmega/testsuite.h
@@ -668,12 +668,12 @@ static void mavlink_test_fence_status(uint8_t system_id, uint8_t component_id, m
         MAVLINK_ASSERT(memcmp(&packet1, &packet2, sizeof(packet1)) == 0);
 }
 
-static void mavlink_test_dcm(uint8_t system_id, uint8_t component_id, mavlink_message_t *last_msg)
+static void mavlink_test_ahrs(uint8_t system_id, uint8_t component_id, mavlink_message_t *last_msg)
 {
 	mavlink_message_t msg;
         uint8_t buffer[MAVLINK_MAX_PACKET_LEN];
         uint16_t i;
-	mavlink_dcm_t packet_in = {
+	mavlink_ahrs_t packet_in = {
 		17.0,
 	45.0,
 	73.0,
@@ -682,7 +682,7 @@ static void mavlink_test_dcm(uint8_t system_id, uint8_t component_id, mavlink_me
 	157.0,
 	185.0,
 	};
-	mavlink_dcm_t packet1, packet2;
+	mavlink_ahrs_t packet1, packet2;
         memset(&packet1, 0, sizeof(packet1));
 		packet1.omegaIx = packet_in.omegaIx;
 		packet1.omegaIy = packet_in.omegaIy;
@@ -695,18 +695,18 @@ static void mavlink_test_dcm(uint8_t system_id, uint8_t component_id, mavlink_me
 
 
         memset(&packet2, 0, sizeof(packet2));
-	mavlink_msg_dcm_encode(system_id, component_id, &msg, &packet1);
-	mavlink_msg_dcm_decode(&msg, &packet2);
+	mavlink_msg_ahrs_encode(system_id, component_id, &msg, &packet1);
+	mavlink_msg_ahrs_decode(&msg, &packet2);
         MAVLINK_ASSERT(memcmp(&packet1, &packet2, sizeof(packet1)) == 0);
 
         memset(&packet2, 0, sizeof(packet2));
-	mavlink_msg_dcm_pack(system_id, component_id, &msg , packet1.omegaIx , packet1.omegaIy , packet1.omegaIz , packet1.accel_weight , packet1.renorm_val , packet1.error_rp , packet1.error_yaw );
-	mavlink_msg_dcm_decode(&msg, &packet2);
+	mavlink_msg_ahrs_pack(system_id, component_id, &msg , packet1.omegaIx , packet1.omegaIy , packet1.omegaIz , packet1.accel_weight , packet1.renorm_val , packet1.error_rp , packet1.error_yaw );
+	mavlink_msg_ahrs_decode(&msg, &packet2);
         MAVLINK_ASSERT(memcmp(&packet1, &packet2, sizeof(packet1)) == 0);
 
         memset(&packet2, 0, sizeof(packet2));
-	mavlink_msg_dcm_pack_chan(system_id, component_id, MAVLINK_COMM_0, &msg , packet1.omegaIx , packet1.omegaIy , packet1.omegaIz , packet1.accel_weight , packet1.renorm_val , packet1.error_rp , packet1.error_yaw );
-	mavlink_msg_dcm_decode(&msg, &packet2);
+	mavlink_msg_ahrs_pack_chan(system_id, component_id, MAVLINK_COMM_0, &msg , packet1.omegaIx , packet1.omegaIy , packet1.omegaIz , packet1.accel_weight , packet1.renorm_val , packet1.error_rp , packet1.error_yaw );
+	mavlink_msg_ahrs_decode(&msg, &packet2);
         MAVLINK_ASSERT(memcmp(&packet1, &packet2, sizeof(packet1)) == 0);
 
         memset(&packet2, 0, sizeof(packet2));
@@ -714,12 +714,12 @@ static void mavlink_test_dcm(uint8_t system_id, uint8_t component_id, mavlink_me
         for (i=0; i<mavlink_msg_get_send_buffer_length(&msg); i++) {
 		comm_send_ch(MAVLINK_COMM_0, buffer[i]);
         }
-	mavlink_msg_dcm_decode(last_msg, &packet2);
+	mavlink_msg_ahrs_decode(last_msg, &packet2);
         MAVLINK_ASSERT(memcmp(&packet1, &packet2, sizeof(packet1)) == 0);
 
         memset(&packet2, 0, sizeof(packet2));
-	mavlink_msg_dcm_send(MAVLINK_COMM_1 , packet1.omegaIx , packet1.omegaIy , packet1.omegaIz , packet1.accel_weight , packet1.renorm_val , packet1.error_rp , packet1.error_yaw );
-	mavlink_msg_dcm_decode(last_msg, &packet2);
+	mavlink_msg_ahrs_send(MAVLINK_COMM_1 , packet1.omegaIx , packet1.omegaIy , packet1.omegaIz , packet1.accel_weight , packet1.renorm_val , packet1.error_rp , packet1.error_yaw );
+	mavlink_msg_ahrs_decode(last_msg, &packet2);
         MAVLINK_ASSERT(memcmp(&packet1, &packet2, sizeof(packet1)) == 0);
 }
 
@@ -841,7 +841,7 @@ static void mavlink_test_ardupilotmega(uint8_t system_id, uint8_t component_id,
 	mavlink_test_fence_point(system_id, component_id, last_msg);
 	mavlink_test_fence_fetch_point(system_id, component_id, last_msg);
 	mavlink_test_fence_status(system_id, component_id, last_msg);
-	mavlink_test_dcm(system_id, component_id, last_msg);
+	mavlink_test_ahrs(system_id, component_id, last_msg);
 	mavlink_test_simstate(system_id, component_id, last_msg);
 	mavlink_test_hwstatus(system_id, component_id, last_msg);
 }
diff --git a/libraries/GCS_MAVLink/include_v1.0/ardupilotmega/version.h b/libraries/GCS_MAVLink/include_v1.0/ardupilotmega/version.h
index 07b5bcd858..21f4d0479a 100644
--- a/libraries/GCS_MAVLink/include_v1.0/ardupilotmega/version.h
+++ b/libraries/GCS_MAVLink/include_v1.0/ardupilotmega/version.h
@@ -5,7 +5,7 @@
 #ifndef MAVLINK_VERSION_H
 #define MAVLINK_VERSION_H
 
-#define MAVLINK_BUILD_DATE "Sat Mar 10 09:38:13 2012"
+#define MAVLINK_BUILD_DATE "Sun Mar 11 19:38:21 2012"
 #define MAVLINK_WIRE_PROTOCOL_VERSION "1.0"
 #define MAVLINK_MAX_DIALECT_PAYLOAD_SIZE 101
  
diff --git a/libraries/GCS_MAVLink/include_v1.0/common/version.h b/libraries/GCS_MAVLink/include_v1.0/common/version.h
index fb8de09364..2df2f6913c 100644
--- a/libraries/GCS_MAVLink/include_v1.0/common/version.h
+++ b/libraries/GCS_MAVLink/include_v1.0/common/version.h
@@ -5,7 +5,7 @@
 #ifndef MAVLINK_VERSION_H
 #define MAVLINK_VERSION_H
 
-#define MAVLINK_BUILD_DATE "Sat Mar 10 09:38:13 2012"
+#define MAVLINK_BUILD_DATE "Sun Mar 11 19:38:21 2012"
 #define MAVLINK_WIRE_PROTOCOL_VERSION "1.0"
 #define MAVLINK_MAX_DIALECT_PAYLOAD_SIZE 101
  
diff --git a/libraries/GCS_MAVLink/message_definitions/ardupilotmega.xml b/libraries/GCS_MAVLink/message_definitions/ardupilotmega.xml
index d43cffec96..f1bbfd6ce6 100644
--- a/libraries/GCS_MAVLink/message_definitions/ardupilotmega.xml
+++ b/libraries/GCS_MAVLink/message_definitions/ardupilotmega.xml
@@ -226,7 +226,7 @@
 	    <field name="breach_time" type="uint32_t">time of last breach in milliseconds since boot</field>
 	  </message>
 
-	  <message name="DCM" id="163">
+	  <message name="AHRS" id="163">
 	    <description>Status of DCM attitude estimator</description>
             <field type="float" name="omegaIx">X gyro drift estimate rad/s</field>
             <field type="float" name="omegaIy">Y gyro drift estimate rad/s</field>
diff --git a/libraries/GCS_MAVLink/message_definitions_v1.0/ardupilotmega.xml b/libraries/GCS_MAVLink/message_definitions_v1.0/ardupilotmega.xml
index d43cffec96..f1bbfd6ce6 100644
--- a/libraries/GCS_MAVLink/message_definitions_v1.0/ardupilotmega.xml
+++ b/libraries/GCS_MAVLink/message_definitions_v1.0/ardupilotmega.xml
@@ -226,7 +226,7 @@
 	    <field name="breach_time" type="uint32_t">time of last breach in milliseconds since boot</field>
 	  </message>
 
-	  <message name="DCM" id="163">
+	  <message name="AHRS" id="163">
 	    <description>Status of DCM attitude estimator</description>
             <field type="float" name="omegaIx">X gyro drift estimate rad/s</field>
             <field type="float" name="omegaIy">Y gyro drift estimate rad/s</field>