diff --git a/msg/vehicle_status.msg b/msg/vehicle_status.msg
index 60ab34e90d..b35d0cab60 100644
--- a/msg/vehicle_status.msg
+++ b/msg/vehicle_status.msg
@@ -113,6 +113,7 @@ uint32 system_id			# system id, inspired by MAVLink's system ID field
 uint32 component_id			# subsystem / component id, inspired by MAVLink's component ID field
 
 bool is_rotary_wing			# True if system is in rotary wing configuration, so for a VTOL this is only true while flying as a multicopter
+bool vtol_in_transition		# True if VTOL is doing a transition
 bool is_vtol				# True if the system is VTOL capable
 bool vtol_fw_permanent_stab		# True if vtol should stabilize attitude for fw in manual mode
 bool in_transition_mode