diff --git a/src/modules/vtol_att_control/vtol_type.h b/src/modules/vtol_att_control/vtol_type.h
index 4345f506a1..5c112ac207 100644
--- a/src/modules/vtol_att_control/vtol_type.h
+++ b/src/modules/vtol_att_control/vtol_type.h
@@ -91,22 +91,22 @@ protected:
 	VtolAttitudeControl *_attc;
 	mode _vtol_mode;
 
-	struct vehicle_attitude_s		*_v_att;				//vehicle attitude
-	struct vehicle_attitude_setpoint_s	*_v_att_sp;			//vehicle attitude setpoint
-	struct vehicle_rates_setpoint_s		*_v_rates_sp;		//vehicle rates setpoint
-	struct vehicle_rates_setpoint_s		*_mc_virtual_v_rates_sp;		// virtual mc vehicle rates setpoint
-	struct vehicle_rates_setpoint_s		*_fw_virtual_v_rates_sp;		// virtual fw vehicle rates setpoint
-	struct manual_control_setpoint_s	*_manual_control_sp; //manual control setpoint
-	struct vehicle_control_mode_s		*_v_control_mode;	//vehicle control mode
+	struct vehicle_attitude_s			*_v_att;					//vehicle attitude
+	struct vehicle_attitude_setpoint_s	*_v_att_sp;					//vehicle attitude setpoint
+	struct vehicle_rates_setpoint_s		*_v_rates_sp;				//vehicle rates setpoint
+	struct vehicle_rates_setpoint_s		*_mc_virtual_v_rates_sp;	// virtual mc vehicle rates setpoint
+	struct vehicle_rates_setpoint_s		*_fw_virtual_v_rates_sp;	// virtual fw vehicle rates setpoint
+	struct manual_control_setpoint_s	*_manual_control_sp; 		//manual control setpoint
+	struct vehicle_control_mode_s		*_v_control_mode;			//vehicle control mode
 	struct vtol_vehicle_status_s 		*_vtol_vehicle_status;
-	struct actuator_controls_s			*_actuators_out_0;	//actuator controls going to the mc mixer
-	struct actuator_controls_s			*_actuators_out_1;	//actuator controls going to the fw mixer (used for elevons)
-	struct actuator_controls_s			*_actuators_mc_in;	//actuator controls from mc_att_control
-	struct actuator_controls_s			*_actuators_fw_in;	//actuator controls from fw_att_control
-	struct actuator_armed_s				*_armed;				//actuator arming status
+	struct actuator_controls_s			*_actuators_out_0;			//actuator controls going to the mc mixer
+	struct actuator_controls_s			*_actuators_out_1;			//actuator controls going to the fw mixer (used for elevons)
+	struct actuator_controls_s			*_actuators_mc_in;			//actuator controls from mc_att_control
+	struct actuator_controls_s			*_actuators_fw_in;			//actuator controls from fw_att_control
+	struct actuator_armed_s				*_armed;					//actuator arming status
 	struct vehicle_local_position_s		*_local_pos;
-	struct airspeed_s 					*_airspeed;			// airspeed
-	struct battery_status_s 			*_batt_status; 		// battery status
+	struct airspeed_s 					*_airspeed;					// airspeed
+	struct battery_status_s 			*_batt_status; 				// battery status
 
 	struct Params 						*_params;
 
@@ -117,7 +117,8 @@ protected:
 	float _mc_yaw_weight;	// weight for multicopter attitude controller yaw output
 
 	float _yaw_transition;	// yaw angle in which transition will take place
-	float _throttle_transition; // throttle value used for the transition phase
+	float _throttle_transition; // throttle value used for the transition phase	
+	float _pitch_transition_start;  // pitch angle at the start of transition (tailsitter)
 	bool _flag_was_in_trans_mode;	// true if mode has just switched to transition
 
 };